Eduard Hryha
Biträdande professor vid
Chalmers, Industri- och materialvetenskap, Material och tillverkning
Eduard Hryha är föreståndare för CAM2 som är ett kompetenscentrum för additiv tillverkning i metall. I sin forskning fokuserar han på fyra områden:- Pulvermetallurgi: Pulvertillverkning och pulvrets egenskaper, komprimering, skräddarsydd sintringsprocess baserat på önskemål och faktorer såsom högpresterande legerade PM-stål, sintringsatmosfärer, syntes etc.- Ytanalys med avancerad ytkänslig teknik: karakterisering av ytkomposition och solid-gas-interaktion på nanonivå med användning av tekniker som XPS (röntgenfotoelektronspektroskopi) och augerspektroskopi.- Termisk analys: TG / DTA / DSC / DIL i inerta och reducerande (t.ex. väte) atmosfärer.- Termodynamisk och kinetisk simulering: ThermoCalc, JMatPro, HSC Chemistry, DICTRA.
Källa: chalmers.se
Visar 146 publikationer
2019
Thermally Induced Porosity within HIPed Ti64 Parts: Effect of Entrapped Argon versus Helium in L-PBF
Camille Nicole Géraldine Pauzon, Sophie Dubiez-Le Goff, Pierre Forêt et al
Euro PM2019 Proceedings
Paper i proceeding
2019
Effect of heating rate and process atmosphere on the thermodynamics and kinetics of the sintering of pre-alloyed water-atomized powder metallurgy steels
Eduard Hryha, Johan Wendel
Journal of the American Ceramic Society. Vol. 102 (Special Issue) (2), p. 748-756
Artikel i vetenskaplig tidskrift
2019
Effect of argon and nitrogen atmospheres on the properties of stainless steel 316 L parts produced by laser-powder bed fusion
Camille Nicole Géraldine Pauzon, Eduard Hryha, Pierre Forêt et al
Materials and Design. Vol. 179
Artikel i vetenskaplig tidskrift
2019
Effect of Powder Recycling in Electron Beam Melting on the Surface Chemistry of Alloy 718 Powder
Hans Gruber, Mikael Henriksson, Eduard Hryha et al
Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science. Vol. 50 (9), p. 4410-4422
Artikel i vetenskaplig tidskrift
2019
Vacuum sintering of chromium alloyed powder metallurgy steels
Maheswaran Vattur Sundaram, Seshendra Karamchedu, Clement Gouhier et al
Metal Powder Report
Artikel i vetenskaplig tidskrift
2018
Surface analysis of fine water-atomized iron powder and sintered material
Johan Wendel, Ruslan Shvab, Yu Cao et al
Surface and Interface Analysis. Vol. 50 (11, ECASIA Special Issue), p. 1065-1071
Artikel i vetenskaplig tidskrift
2018
Approaches to Reach Fully Dense Powder Metallurgical Materials
Maheswaran Vattur Sundaram, Eduard Hryha, Lars Nyborg
2018 World Congress on Powder Metallurgy, p. 1956-1961
Paper i proceeding
2018
Full Densification in PM Steels Through Liquid Phase Sintering and HIP Approach
Maheswaran Vattur Sundaram, Kumar Babu Surreddi, Eduard Hryha et al
Euro PM2018 Proceedings
Paper i proceeding
2018
Manufacturing of Valve Bridge Component Utilizing Lean Alloyed Powders and Vacuum Sintering
Ruslan Shvab, Maheswaran Vattur Sundaram, Henrik Karlsson et al
Powder Metallurgy Progress. Vol. 18 (1), p. 31-39
Artikel i vetenskaplig tidskrift
2018
Enhanced Densification of PM Steels by Liquid Phase Sintering with Boron-Containing Master Alloy
Maheswaran Vattur Sundaram, Kumar Babu Surreddi, Eduard Hryha et al
Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science. Vol. 49 (1), p. 255-263
Artikel i vetenskaplig tidskrift
2018
Form Finding Nodal Connections in Grid Structures
Francis Aish, Martha Tsigkari, Jens Olsson et al
Paper i proceeding
2018
Effect of Helium - Argon Mixtures as Laser - Powder Bed Fusion Processing Atmospheres on the Properties of the Built Ti-6Al-4V Parts
Camille Nicole Géraldine Pauzon, Pierre Forêt, Eduard Hryha et al
World PM2018 Proceedings
Paper i proceeding
2018
Influence of Iron Nanopowder Addition on Sintering of Water Atomized Iron Powder
Swathi Kiranmayee Manchili, Johan Wendel, Eduard Hryha et al
, p. 509-514
Paper i proceeding
2018
Hot Isostatic Pressing of the Water Atomized Steel Powder: Possibilities and Challenges
Eduard Hryha, Maheswaran Vattur Sundaram, Anna Weddeling et al
2018 World Congress on Powder Metallurgy , p. 286-291
Paper i proceeding
2018
Effect of build geometry on the microstructural development of 316L parts produced by additive manufacturing
Alexander Leicht, Uta Klement, Eduard Hryha
Materials Characterization. Vol. 143, p. 137-143
Artikel i vetenskaplig tidskrift
2018
Surface Oxide State on Metal Powder and its Changes during Additive Manufacturing: an Overview
Eduard Hryha, Ruslan Shvab, Hans Gruber et al
Metallurgia Italiana (3), p. 34-39
Artikel i vetenskaplig tidskrift
2018
Oxide reduction and oxygen removal in water-atomized iron powder and its influence on sintering
Johan Wendel, Swathi Kiranmayee Manchili, Yu Cao et al
Proceedings of World PM 2018
Paper i proceeding
2018
Surface analysis of iron and steel nanopowder
Swathi Kiranmayee Manchili, Ruslan Shvab, Abdelhafid Zehri et al
Surface and Interface Analysis (Special Issue), p. 1-6
Artikel i vetenskaplig tidskrift
2018
Effect of Powder Recycling on the Fracture Behavior of Electron Beam Melted Alloy 718
Hans Gruber, P. Karimi, Eduard Hryha et al
Powder Metallurgy Progress. Vol. 18 (1), p. 40-48
Artikel i vetenskaplig tidskrift
2017
Surface chemistry of the titanium powder studied by XPS using internal standard reference
Ruslan Shvab, Eduard Hryha, Lars Nyborg
Powder Metallurgy. Vol. 60 (1), p. 42-48
Artikel i vetenskaplig tidskrift
2017
Effect of Alloying Type and Lean Sintering Atmosphere on the Performance of PM Components
Maheswaran Vattur Sundaram, Ruslan Shvab, Sten Millot et al
Powder Metallurgy Progress. Vol. 17 (2), p. 72-81
Artikel i vetenskaplig tidskrift
2017
Effect of argon and nitrogen atmospheres on the properties of the as-built 316L stainless steel components by Laser Sintering
Camille Nicole Géraldine Pauzon, Eduard Hryha, Pierre Forêt et al
Euro PM2017 Proceedings
Paper i proceeding
2017
Optimizing the synthesis of ultrafine tungsten carbide powders by effective combinations of carbon sources and atmospheres
R. Oro, Eduard Hryha, R. Gilardi et al
International Journal of Refractory Metals and Hard Materials. Vol. 63, p. 9-16
Artikel i vetenskaplig tidskrift
2017
COPGLOW and XPS investigation of recycled metal powder for selective laser melting
P. Mellin, Ruslan Shvab, A. Strondl et al
Powder Metallurgy. Vol. 60 (3), p. 223-231
Artikel i vetenskaplig tidskrift
2016
Characterization of virgin and recycled 316L powder used in additive manufacturing
Alexander Leicht, Ruslan Shvab, Eduard Hryha et al
SPS16, Lund, Sweden 2016
Paper i proceeding
2016
Reactivity of carbon based materials for powder metallurgy parts and hard metal powders manufacturing
Raffaele Gilardi, Luigi Alzati, Raquel Oro et al
Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy. Vol. 63 (7), p. 548-554
Artikel i vetenskaplig tidskrift
2016
Vacuum Sintering Studies On Chromium Alloyed PM Steels
Maheswaran Vattur Sundaram, Seshendra Karamchedu, Clément Gouhier et al
World Powder Metallurgy 2016 Congress and Exhibition, World PM 2016; Hamburg; Germany; 9 October 2016 through 13 October 2016
Paper i proceeding
2016
Influence Of Cr Alloying Content On The Surface Oxide Composition In Case Of Water-atomized Steel Powder
Ruslan Shvab, Eduard Hryha, Dimitris Chasoglou et al
World Powder Metallurgy 2016 Congress and Exhibition, World PM 2016; Hamburg; Germany; 9 October 2016 through 13 October 2016
Paper i proceeding
2016
Electron Beam Melting Manufacturing Technology for Individually Manufactured Jaw Prosthesis: A Case Report
Felicia Suska, Göran Kjeller, Peter Tarnow et al
Journal of Oral and Maxillofacial Surgery. Vol. 74 (8), p. 1706.e1-1706.e16
Artikel i vetenskaplig tidskrift
2016
Effect of active constituents in the atmosphere on the sintering of chromium-alloyed PM steels
Seshendra Karamchedu, Eduard Hryha, Lars Nyborg
World Powder Metallurgy 2016 Congress and Exhibition, World PM 2016; Hamburg; Germany; 9 October 2016 through 13 October 2016
Paper i proceeding
2016
Effect of Powder Processing on the Sintering Mechanisms of Carbonyl and Water-atomized Iron Powders
Johan Wendel, Ruslan Shvab, Seshendra Karamchedu et al
World Powder Metallurgy 2016 Congress and Exhibition, World PM 2016; Hamburg; Germany; 9 October 2016 through 13 October 2016
Paper i proceeding
2016
Reaching Full Density of 100Cr6 PM Steel by Capsule Free Hot Isostatic Pressing of High-Velocity Compacted Material
Hans Magnusson, Karin Frisk, Maheswaran Vattur Sundaram et al
World Powder Metallurgy 2016 Congress and Exhibition, World PM 2016; Hamburg; Germany; 9 October 2016 through 13 October 2016
Paper i proceeding
2016
Copper Bronze Powder Surface Studied by XPS and HR SEM
Ruslan Shvab, Eduard Hryha, Abdul Malik Tahir et al
Powder Metallurgy Progress. Vol. 16 (1), p. 40-47
Artikel i vetenskaplig tidskrift
2016
Surface chemical state of Ti powders and its alloys: Effect of storage conditions and alloy composition
Eduard Hryha, Ruslan Shvab, Martin Bram et al
Applied Surface Science, p. 294-303
Artikel i vetenskaplig tidskrift
2016
Surface oxides on metal powders: An overview of the effect of alloy composition and manufacturing method
Eduard Hryha, Lars Nyborg
World Powder Metallurgy 2016 Congress and Exhibition, World PM 2016; Hamburg; Germany; 9 October 2016 through 13 October 2016
Paper i proceeding
2016
Characterization Of The Virgin And Re-cycled Nickel Alloy HX Powder Used For Selective Laser Melting
Ruslan Shvab, Alexander Leicht, Eduard Hryha et al
Proceedings of Wolrd PM2016 - AM - Powder Recycling and Aging
Paper i proceeding
2016
Effect of different carbon sources on the sintering behaviour and mechanical properties of alloyed PM steels: From graphene to carbon black
Eduard Hryha, Sigurd Berg, Lars Nyborg
World Powder Metallurgy 2016 Congress and Exhibition, World PM 2016; Hamburg; Germany; 9 October 2016 through 13 October 2016
Paper i proceeding
2016
Surface Characterization Of 60Cu-40Sn Bronze Powder
Ruslan Shvab, Eduard Hryha, Abdul Malik Tahir et al
World Powder Metallurgy 2016 Congress and Exhibition, World PM 2016; Hamburg; Germany; 9 October 2016 through 13 October 2016
Paper i proceeding
2016
An XPS investigation on the thermal stability of the insulating surface layer of soft magnetic composite powder
Christos Oikonomou, Eduard Hryha, Lars Nyborg
Surface and Interface Analysis. Vol. 48 (7), p. 445-450
Artikel i vetenskaplig tidskrift
2016
Characterisation of EBM-Built Shelled Samples of Ti6Al4V Compacted by HIP
Karin Frisk, Lars-Erik Rännar, Andrey Koptyug et al
World Powder Metallurgy 2016 Congress and Exhibition, World PM 2016; Hamburg; Germany; 9 October 2016 through 13 October 2016
Paper i proceeding
2016
As-HIP Microstructure Of EBM Fabricated Shell Components
Alexander Leicht, Maheswaran Vattur Sundaram, Yiming Yao et al
World Powder Metallurgy 2016 Congress and Exhibition, World PM 2016; Hamburg; Germany; 9 October 2016 through 13 October 2016
Paper i proceeding
2015
"Internal Gettering” – Metallothermic Reduction Processes In The Early Stage Of Sintering
Christian Gierl-Mayer, Herbert Danninger, Raquel De Oro Calderón et al
International Journal of Powder Metallurgy (Princeton, New Jersey). Vol. 51 (3), p. 47-53
Artikel i vetenskaplig tidskrift
2015
Effect of active components of sintering atmosphere on reduction/oxidation processes during sintering of Cr-alloyed PM steels
Eduard Hryha, Seshendra Karamchedu, Dmitri Riabov et al
Journal of the American Ceramic Society. Vol. 98 (11), p. 3561-3568
Artikel i vetenskaplig tidskrift
2015
Preparation of AlCoCrFeNiTi0.5 high entropy alloy by SPS from mechanically alloyed powders
I. Moravcik, J. Cizek, Eduard Hryha et al
Proceedings Euro PM 2015: International Power Metallurgy Congress and Exhibition
Paper i proceeding
2015
Influence of the PM-Processing Route and Nitrogen Content on the Properties of Ni-Free Austenitic Stainless Steel
K. Lefor, M. Walter, Anna Weddeling et al
Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science. Vol. 46 (3), p. 1154-1167
Artikel i vetenskaplig tidskrift
2015
Thermodynamic And Kinetic Aspects Of Oxide Transformation During Sintering Of Cr-Prealloyed Pm Steels
Eduard Hryha, Lars Nyborg
International Journal of Powder Metallurgy (Princeton, New Jersey). Vol. 51 (3), p. 35-46
Artikel i vetenskaplig tidskrift
2015
Interparticle Neck Connections in Innovative Insulated Iron Powder Compounds
Robert Bidulsky, J. Bidulska, Raquel De Oro Calderón et al
Acta Physica Polonica A. Vol. 128 (4), p. 647-650
Artikel i vetenskaplig tidskrift
2015
The Role of Carbon Source in the Production of Ultrafine and Nanocrystalline WC-6Co Cemented Carbides
Raffaele Gilardi, Luigi Alzati, Raquel Oro et al
roceedings EURO PM2015 Congress & Exhibition, 4-7 October 2015, Reims, France, p. 1-6
Paper i proceeding
2015
Changes in the surface chemistry of chromium-alloyed powder metallurgical steel during delubrication and their impact on sintering
Seshendra Karamchedu, Eduard Hryha, Lars Nyborg
Journal of Materials Processing Technology. Vol. 223, p. 171-185
Artikel i vetenskaplig tidskrift
2015
Lean Atmospheres for Sintering of Chromium Alloyed Powder Metallurgy Steels
Seshendra Karamchedu, Eduard Hryha, Lars Nyborg
Journal of the American Ceramic Society. Vol. 98 (11), p. 3588-3595
Artikel i vetenskaplig tidskrift
2015
Dissolution of carbon in Cr-prealloyed PM steels: effect of carbon source
Eduard Hryha, Lars Nyborg, Luigi Alzati
Powder Metallurgy. Vol. 58 (1), p. 7-11
Artikel i vetenskaplig tidskrift
2015
The Study of Local Effect of Manganese on Microstructure Development of Admixed Fe-Mn-C Sintered Steels
R. Bidulsky, Eduard Hryha, J. Bidulska
High Temperature Materials and Processes. Vol. 35 (9), p. 865-870
Artikel i vetenskaplig tidskrift
2015
Vacuum Levels Influence on the Properties of Various High Temperature Brazing Alloys
Owe Mårs, Eduard Hryha
Proceedings of the International Brazing & Soldering Conference (IBSC)
Paper i proceeding
2015
Nitrogen uptake of nickel free austenitic stainless steel powder during heat treatment-an XPS study
Anna Weddeling, K. Lefor, Eduard Hryha et al
Surface and Interface Analysis. Vol. 47 (3), p. 413-422
Artikel i vetenskaplig tidskrift
2014
Optimization of Carbothermal Reactions for Producing Nanostructured Tungsten Carbide Powders
Raquel De Oro Calderón, Eduard Hryha, Raffaele Gilardi et al
Proceedings EURO PM2014 Congress & Exhibition, 21-24 September 2014, Salzburg, Austria
Paper i proceeding
2014
Effectiveness of reducing agents during sintering of Cr-prealloyed PM steels
Eduard Hryha, Lars Nyborg
Powder Metallurgy. Vol. 57 (4), p. 245-250
Artikel i vetenskaplig tidskrift
2014
Development of methodology for surface characterization of vanadium containing slag
Eduard Hryha, Elin Rutqvist, Johan Björkvall et al
Surface and Interface Analysis. Vol. 46 (10-11), p. 984-988
Artikel i vetenskaplig tidskrift
2014
Effect of heat treatment in air on surface composition of iron-phosphate based soft magnetic composite components
Christos Oikonomou, Raquel De Oro Calderón, Eduard Hryha et al
Materials Science & Engineering B: Solid-State Materials for Advanced Technology. Vol. 189, p. 90-99
Artikel i vetenskaplig tidskrift
2014
Effective Synthesis of Nanocrystalline Tungsten Carbide Powders by Mechanical and Thermal Activation of Precursors
Raquel De Oro Calderón, Eduard Hryha, Lars Nyborg et al
9th International Conference on Tungsten, Refractory and Hardmaterials; Orlando; United States; 18 May 2014 through 22 May 2014. Vol. 1 Powder Production, p. 12-23
Paper i proceeding
2014
Prediction, Formation and Analysis of Microstructure of High Chromium-Alloyed PM Stainless Steel Sintered in Different Atmospheres
Ruslan Shvab, Eduard Hryha, Petro Shykula et al
Powder Metallurgy Progress. Vol. 14 (2), p. 99-107
Artikel i vetenskaplig tidskrift
2014
Microstructure of High Cr-Alloyed Sintered Steel – Prediction and Analysis
Ruslan Shvab, Eduard Hryha, Petro Shykula et al
Materials Science Forum. Vol. 782, p. 473-479
Artikel i vetenskaplig tidskrift
2014
“INTERNAL GETTERING” – METALLOTHERMIC REDUCTION PROCESSES IN THE EARLY STAGE OF SINTERING
Christian Gierl-Mayer, Herbert Danninger, Raquel De Oro Calderón et al
Advances in Powder Metallurgy & Particulate Materials-2014. Vol. 5, p. 74-85
Paper i proceeding
2014
XPS Analysis of Oxide Transformation During Sintering of Chromium Alloyed PM Steels
Maheswaran Vattur Sundaram, Eduard Hryha, Lars Nyborg
Powder Metallurgy Progress. Vol. 14 (2), p. 85-92
Artikel i vetenskaplig tidskrift
2014
Thermogravimetry Study of the Effectiveness of Different Reducing Agents during Sintering of Cr-prealloyed PM Steels
Eduard Hryha, Lars Nyborg
Journal of Thermal Analysis and Calorimetry. Vol. 118 (2), p. 825-834
Artikel i vetenskaplig tidskrift
2014
Microstructure Development in Powder Metallurgy Steels: Effect of Alloying Elements and Process Variables
Eduard Hryha, Lars Nyborg
Materials Science Forum. Vol. 782, p. 467-472
Artikel i vetenskaplig tidskrift
2014
Evaluation of the thickness and roughness of homogeneous surface layers on spherical and irregular powder particles
Christos Oikonomou, Dimitrios Nikas, Eduard Hryha et al
Surface and Interface Analysis. Vol. 46 (10-11), p. 1028-1032
Artikel i vetenskaplig tidskrift
2014
The Role of Carbon Source in the Production of WC Powders
Raffaele Gilardi, Luigi Alzati, Raquel De Oro Calderón et al
9th International Conference on Tungsten, Refractory and Hardmaterials; Orlando; United States; 18 May 2014 through 22 May 2014. Vol. 1 Powder Production, p. 37-44
Paper i proceeding
2014
EFFICIENCY OF DIFFERENT CARBON SOURCES DURING SINTERING OF CR-PREALLOYED PM STEELS: GRAPHENE, GRAPHITE OR CARBON BLACK?
Eduard Hryha, Lars Nyborg, Sigurd Berg et al
Advances in Powder Metallurgy & Particulate Materials-2014. Vol. 5, p. 16-28
Paper i proceeding
2014
Effect of processing conditions on microstructural features in Mn-Si sintered steels
Raquel De Oro Calderón, Eduard Hryha, Monica Campos Gomez et al
Materials Characterization. Vol. 95, p. 105-117
Artikel i vetenskaplig tidskrift
2014
Surface Oxides on Gas and Water Atomized Steel Powders
Lars Nyborg, Eduard Hryha
Advances in Powder Metallurgy & Particulate Materials-2014. Vol. 2, p. 2153-2161
Paper i proceeding
2014
Optimizing the Synthesis of Nanostructured Tungsten Carbide Powders by Effective Combination of Carbon Sources and Atmospheres
Raquel De Oro Calderón, Eduard Hryha, Raffaele Gilardi et al
9th International Conference on Tungsten, Refractory and Hardmaterials; Orlando; United States; 18 May 2014 through 22 May 2014. Vol. 1 Powder Production, p. 1-11
Paper i proceeding
2014
Oxide Transformation in Cr-Mn-Prealloyed Sintered Steels: Thermodynamic and Kinetic Aspects
Eduard Hryha, Lars Nyborg
Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science. Vol. 45A (4), p. 1736-1747
Artikel i vetenskaplig tidskrift
2014
Influence of the Steel Powder Type and Processing Parameters on the Debinding of PM Compacts with Gelatin Binder
Eduard Hryha, Henrik Borgström, Karin Sterky et al
Journal of Thermal Analysis and Calorimetry. Vol. 118 (2), p. 695-704
Artikel i vetenskaplig tidskrift
2014
Efficient Sintering of Cr-Prealloyed Powders by Careful Adjustment of Process Parameters
Dimitris Chasoglou, Eduard Hryha, Ola Bergman
Advances in Powder Metallurgy & Particulate Materials-2014. Vol. 5, p. 142-153
Paper i proceeding
2014
Investigation of Low Temperature Creep Behaviour of PM Steels
Maheswaran Vattur Sundaram, Henrik Karlsson, Kumar Babu Surreddi et al
Powder Metallurgy Progress. Vol. 14 (2), p. 67-72
Artikel i vetenskaplig tidskrift
2014
THERMODYNAMIC AND KINETIC ASPECTS OF OXIDE TRANSFORMATION DURING SINTERING OF CR-PREALLOYED PM STEELS
Eduard Hryha, Lars Nyborg
Advances in Powder Metallurgy & Particulate Materials-2014. Vol. 5, p. 108-122
Paper i proceeding
2014
Carbon control in PM Sintering
Eduard Hryha, Gerd Waning, Lars Nyborg et al
Heat Processing. Vol. 12 (1), p. 33-39
Artikel i övriga tidskrifter
2014
EFFICIENCY AND TEMPERATURE RANGES OF ACTIVITY OF DIFFERENT REDUCING AGENTS DURING SINTERING OF CR-PREALLOYED PM STEELS
Eduard Hryha, Lars Nyborg
Advances in Powder Metallurgy & Particulate Materials-2014. Vol. 5, p. 163-177
Paper i proceeding
2014
Surface Oxide Transformation during HIP of Austenitic Fe-19Mn-18Cr-C-N PM steel
Eduard Hryha, Anna Weddeling, Maximilian Walter et al
Proceedings of 11-th International Conference on Hot Isostatic Pressing, 9-13 June 2014, Stockholm, Sweden (1), p. 180-193
Paper i proceeding
2014
APPLICATION OF FRACTOGRAPHY FOR INVESTIGATION OF SURFACE OXIDE REDUCTION/TRANSFORMATION AND INTER-PARTICLE NECKS FORMATION DURING SINTERING OF PREALLOYED WITH Cr AND Mn PM STEELS
Eduard Hryha
Powder Metallurgy Progress. Vol. 14 (1), p. 24-31
Artikel i vetenskaplig tidskrift
2013
Effect of process parameters on surface oxides on chromium-alloyed steel powder during sintering
Dimitris Chasoglou, Eduard Hryha, Lars Nyborg
Materials Chemistry and Physics. Vol. 138 (1), p. 405-415
Artikel i vetenskaplig tidskrift
2013
Surface Oxides on Gas and Water Atomized Steel Powders
Lars Nyborg, Eduard Hryha
Proc. of the 2012 Powder Metallurgy World Congress & Exhibition, Yokohama, Japan, p. 15C-T1-8 -
Paper i proceeding
2013
Parameters Controlling the Oxide Reduction during Sintering of Chromium Prealloyed Steel
Monika Hrubovcakova, Eva Dudrova, Eduard Hryha et al
Advances in Materials Science and Engineering
Artikel i vetenskaplig tidskrift
2013
Optimisation of sintering atmospheres for controlled sintering of PM steels
Dimitris Chasoglou, Eduard Hryha
Proceedings EURO PM2013 Congress & Exhibition, 15-18 September 2013, Gothenburg, Sweden. Vol. 2, p. 339-346
Paper i proceeding
2013
Characterization of surface oxides on water-atomized steel powder by XPS/AES depth profiling and nano-scale lateral surface analysis
Dimitris Chasoglou, Eduard Hryha, Mats Norell et al
Applied Surface Science. Vol. 268, p. 496-506
Artikel i vetenskaplig tidskrift
2013
Dissolution of Carbon in Cr-Prealloyed PM Steels: Effect of Carbon Source
Eduard Hryha, Lars Nyborg, Luigi Alzati
Proceedings EURO PM2013 Congress & Exhibition, 15-18 September 2013, Gothenburg, Sweden. Vol. 2, p. 303-310
Paper i proceeding
2013
Kohlenstoffreggelung beim Sintern
Eduard Hryha, Lars Nyborg, Gerd Waning et al
Gas Waerme International. Vol. 5, p. 59-66
Artikel i övriga tidskrifter
2013
Influence of delubrication process on the properties of sintered PM components
Seshendra Karamchedu, Eduard Hryha, Lars Nyborg
Proceedings of Euro PM2013. Vol. 2, p. 163-168
Paper i proceeding
2013
Effect of reducing agents on the sintering of chromium alloyed PM steels
Dimitris Chasoglou, Eduard Hryha
Proceedings EURO PM2013 Congress & Exhibition, 15-18 September 2013, Gothenburg, Sweden. Vol. 2, p. 297-302
Paper i proceeding
2013
Surface phenomena during the early stages of sintering in steels modified with Fe–Mn–Si–C master alloys
Raquel De Oro Calderón, Monica Campos Gomez, Eduard Hryha et al
Materials Characterization. Vol. 86, p. 80-91
Artikel i vetenskaplig tidskrift
2013
Effect of Powder Properties on the Compressibility of Water-Atomized Iron and Low-Alloyed Steel Grades
Christos Oikonomou, Eduard Hryha, Lars Nyborg et al
Euro PM2013 Proceedings. Vol. 2, p. 205-212
Paper i proceeding
2013
PM parts sintered state improvement achieved by carbon source selection
L. Alzati, R. Gilardi, Eduard Hryha et al
2013 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2013, p. 516-524
Paper i proceeding
2013
Low Temperature Creep Behavior of PM Components Under Static Load Conditions
Kumar Babu Surreddi, Maheswaran Vattur Sundaram, Eduard Hryha et al
Proceedings of Euro PM2013. Vol. 3, p. 349-354
Paper i proceeding
2013
Effectiveness of Different Reducing Agents during Sintering of Cr-Prealloyed PM Steels
Eduard Hryha, Lars Nyborg
Proceedings EURO PM2013 Congress & Exhibition, 15-18 September 2013, Gothenburg, Sweden. Vol. 2, p. 333-338
Paper i proceeding
2013
Effect of Carbon Source on Oxide Reduction in Cr-Prealloyed PM Steels
Eduard Hryha, Lars Nyborg, Luigi Alzati
Proc. of the 2012 Powder Metallurgy World Congress & Exhibition, p. 16A-T9-11 -
Paper i proceeding
2013
Surface Analysis of Water Atomised High Chromium Alloyed Steel Powder by X-ray Photoelectron Spectroscopy
Ruslan Shvab, Eduard Hryha, Eva Dudrova et al
Powder Metallurgy Progress. Vol. 13 (2), p. 57-62
Artikel i vetenskaplig tidskrift
2013
Carbon control in PM sintering: industrial applications and experience
Eduard Hryha, Lars Nyborg, A. Malas et al
Powder Metallurgy. Vol. 56 (1), p. 5-10
Artikel i vetenskaplig tidskrift
2013
Synthesis of Nanostructured Tungsten Carbide Powders from Mechanically Activated Mixes of Tungsten Oxide with Different Carbon Sources
Raquel De Oro Calderón, Eduard Hryha, Raffaele Gilardi et al
International Powder Metallurgy Congress and Exhibition, Euro PM 2013; Gothenburg; Sweden; 15 September 2013 through 18 September 2013. Vol. 1, p. 89-94
Paper i proceeding
2013
Characteristics of Surface Oxides: Similarities and Differences between Gas and Water Atomized Steel Powders
Lars Nyborg, Eduard Hryha
Proceedings EURO PM2013 Congress & Exhibition, 15-18 September 2013, Gothenburg, Sweden (2), p. 199-204
Paper i proceeding
2013
X-ray Photoelectron Spectroscopy Surface Analysis of High Chromium Alloyed Steel Powder
Ruslan Shvab, Eduard Hryha, Eva Dudrova et al
Proc. Of 18-th International Seminar SEMDOK, Terchoca, Slovakia, 30 January-1 February 2013, p. 66-69
Konferensbidrag (offentliggjort, men ej förlagsutgivet)
2013
Effect of Processing Parameters on Oxide Transformation in Cr-Mn-Prealloyed Sintered Steels
Eduard Hryha, Lars Nyborg
Proc. of the 2012 Powder Metallurgy World Congress & Exhibition, Yokohama, Japan, p. 16A-T9-12 -
Paper i proceeding
2013
Lean atmospheres for sintering chromium alloyed PM steels
Seshendra Karamchedu, Eduard Hryha, Sigurd Berg et al
Proceedings of Euro PM2013. Vol. 2, p. 353-358
Paper i proceeding
2012
Control of delubrication process for PM components based on prealloyed steel powders
Eduard Hryha, Seshendra Karamchedu, Lars Nyborg
Proceedings of the 2012 Powder Metallurgy World Congress & Exhibition, Powder Metallurgy Association and Japan Society of Powder and Powder Metallurgy,2013
Paper i proceeding
2012
Development of methodology for surface analysis of soft magnetic composite powders
Christos Oikonomou, Eduard Hryha, Lars Nyborg
Surface and Interface Analysis. Vol. 44 (8), p. 1166-1170
Artikel i vetenskaplig tidskrift
2012
Influence of Nitrogen Atmosphere on Reduction Mechanisms of a High Strength Austenitic Steel
Anna Weddeling, Huth Stephan, Eduard Hryha et al
Proceedings EURO PM2012 Congress & Exhibition, 16-19 September 2012, Basel, Switzerland. Vol. 1, p. 375-380
Paper i proceeding
2012
Carbon Control in PM Sintering: Industrial Applications and Experience so Far
Eduard Hryha, Lars Nyborg, Akin Malas et al
Proc. of EURO PM2012 Congress & Exhibition, 16-19 September 2012, Basel, Switzerland. Vol. 1, p. 265-270
Paper i proceeding
2012
Process Control System for Delubrication of PM Steels
Eduard Hryha, Lars Nyborg
Acta Metallurgica Slovaca. Vol. 18 (2-3), p. 60-68
Artikel i vetenskaplig tidskrift
2012
Processing Conditions And Reduction Of Oxides During Sintering Of Chromium Pre-Alloyed Steel
Monica Hrubcakova, Eva Dudrova, Eduard Hryha et al
Powder Metallurgy Progress. Vol. 12 (3), p. 144-158
Artikel i vetenskaplig tidskrift
2012
Prediction of mechanical properties of Fe–Cr–Mo sintered steel in relationship with microstructure
Lucia Ciripova, Eduard Hryha, Eva Dudrova et al
Materials and Design. Vol. 35 (1), p. 619-625
Artikel i vetenskaplig tidskrift
2012
Effect of Delubrication Process Parameters on Surface Characteristics of Cr- alloyed PM steels
Seshendra Karamchedu, Eduard Hryha, Lars Nyborg
Materials for Tomorrow 2012
Poster (konferens)
2012
On-line Control of Processing Atmospheres for Proper Sintering of Oxidation-Sensitive PM Steels
Eduard Hryha, Eva Dudrova, Lars Nyborg
Journal of Materials Processing Technology. Vol. 212 (4), p. 977-987
Artikel i vetenskaplig tidskrift
2012
Stoichiometric Vanadium Oxides Studied by XPS
Eduard Hryha, Elin Rutqvist, Lars Nyborg
Surface and Interface Analysis. Vol. 44 (8), p. 1022-1025
Artikel i vetenskaplig tidskrift
2012
Characterization of the surface of Fe–19Mn–18Cr–C–N during heat treatment in a high vacuum — An XPS study
Kathrin Zumsande, Anna Weddeling, Eduard Hryha et al
Materials Characterization. Vol. 71, p. 66-76
Artikel i vetenskaplig tidskrift
2012
Parameters Controlling the Reduction of Oxides During Sintering of Cr-prealloyed Steel
Eva Dudrova, Monika Hrubovčáková, Eduard Hryha et al
Proceedings EURO PM2012 Congress & Exhibition, 16-19 September 2012, Basel, Switzerland. Vol. 1, p. 299-304
Paper i proceeding
2012
Surface Chemical Analysis of Soft Magnetic Composite Podwers
Christos Oikonomou, Eduard Hryha, Lars Nyborg
Materials for Tomorrow 2012
Poster (konferens)
2011
Effect of Atmosphere Composition on the Surface Interactions during Sintering of Chromium-alloyed PM Steels
Dimitris Chasoglou, Eduard Hryha, Lars Nyborg
Proceedings of EURO PM 2011 International Powder Metallurgy Congress & Exhibition, 9th-12th October 2011, Barcelona. Vol. 3, p. 111-117
Paper i proceeding
2011
Fractographic Investigation of Chromium-alloyed PM Steels Sintered in Atmospheres with Varying Hydrogen Content
Dimitris Chasoglou, Eduard Hryha, Lars Nyborg
Powder Metallurgy Progress. Vol. 11 (1-2), p. 32-41
Artikel i vetenskaplig tidskrift
2011
Delubrication of PM Components Based on Cr-Prealloyed Steel Powder – Chances and Risks
Eduard Hryha, Seshendra Karamchedu, Lars Nyborg
Proc. of EURO PM2011 Congress & Exhibition, 9-12 October 2011, Barcelona, Spain. Vol. 3, p. 105-110
Paper i proceeding
2011
Surface Analysis at Different Sintering Stages of Steel Compacts with Mn and Si
Raquel Oro, Monica Campos, Eduard Hryha et al
Proc. of EURO PM2011 Congress & Exhibition, 9-12 October 2011, Barcelona, Spain. Vol. 1, p. 113-117
Paper i proceeding
2011
CHANGES IN OXIDE CHEMISTRY DURING CONSOLIDATION OF Cr/Mn WATER ATOMIZED STEEL POWDER
Eduard Hryha, Lars Nyborg
Powder Metallurgy Progress. Vol. 11 (1-2), p. 42-50
Artikel i vetenskaplig tidskrift
2011
Oxide Transformation during Sintering of Cr and Mn Prealloyed Water Atomized Steel Powder
Eduard Hryha, Lars Nyborg
Proc. of EURO PM2011 Congress & Exhibition, 9-12 October 2011, Barcelona, Spain. Vol. 1, p. 95-100
Paper i proceeding
2011
The Sintering Behaviour of Fe-Mn-C Powder System, Correlation between Thermodynamics and Sintering Process, Manganese Distribution and Microstructure Composition, Effect of Alloying Mode
Eduard Hryha, Eva Dudrova
Application of Thermodynamics to Biological and Materials Science, Book edited by: Mizutani Tadashi, p. 573-602
Kapitel i bok
2011
Characterization of High-Mn-Cr Austenitic Steel Powder Fe-19Mn-18Cr-C-N
Anna Weddeling, Kathrin Zumsande, Eduard Hryha et al
Proc. of EURO PM2011 Congress & Exhibition, 9-12 October 2011, Barcelona, Spain. Vol. 2, p. 15-20
Paper i proceeding
2011
Improvement of Mechanical Properties of Fe-Cr-Mo-[Cu-Ni]-C Sintered Sintered Steels by Sinter Hardening
Eva Dudrova, MA Grande, M. Rosso et al
Materials Science Forum. Vol. 672, p. 31-38
Artikel i vetenskaplig tidskrift
2011
INFLUENCE OF PROCESS PARAMETERS ON DELUBRICATION OF PM STEELS
Seshendra Karamchedu, Eduard Hryha, Lars Nyborg
Powder Metallurgy Progress. Vol. 11 (1-2), p. 90-96
Artikel i vetenskaplig tidskrift
2010
MICROSTRUCTURE AND MECHANICAL PROPERTIES OF Fe-Cr-Mo-[Cu-Ni]-C SINTERED STEELS
Eva Dudrova, M Actis Grande, M Rosso et al
Acta Metallurgica Slovaca - Conference. Vol. 1, p. 580-585
Artikel i vetenskaplig tidskrift
2010
Surface composition of the steel powders pre-alloyed with manganese
Eduard Hryha, Christian Gierl, Lars Nyborg et al
Applied Surface Science. Vol. 256 (12), p. 3946-3961
Artikel i vetenskaplig tidskrift
2010
Sintered Steels Prealloyed with Manganese – Chances and Risks
Herbert Danninger, M Jaliliziyaeian, Christian Gierl et al
World Powder Metallurgy Congress and Exhibition, World PM 2010; Florence; Italy; 10 October 2010 through 14 October 2010. Vol. 3, p. 3-10
Paper i proceeding
2010
Surface Analysis of Prealloyed Steel Powders: Qualitative and Quantitative Aspects
Eduard Hryha, Lars Nyborg, Christian Gierl et al
World Powder Metallurgy Congress and Exhibition, World PM 2010; Florence; Italy; 10 October 2010 through 14 October 2010. Vol. 1, p. 25-32
Paper i proceeding
2010
Improvement of Strength Properties of Fe-Cr-Mo-[Cu-Ni]-C Sintered Steels by Sinter-Hardening
E Dudrova, M Actis Grande, M Rosso et al
World Powder Metallurgy Congress and Exhibition, World PM 2010; Florence; Italy; 10 October 2010 through 14 October 2010. Vol. 3, p. 79-86
Paper i proceeding
2010
Sintered Steels Alloyed with Manganese: Effect of Alloying Mode
Eduard Hryha, Lars Nyborg, Eva Dudrova et al
World Powder Metallurgy Congress and Exhibition, World PM 2010; Florence; Italy; 10 October 2010 through 14 October 2010. Vol. 3, p. 87-94
Paper i proceeding
2010
Effect of Sintering Atmosphere on the Transformation of Surface Oxides during the Sintering of Chromium Alloyed Steel
Dimitris Chasoglou, Eduard Hryha, Lars Nyborg
Powder Metallurgy Progress. Vol. 9(2009) (3), p. 141-155
Artikel i vetenskaplig tidskrift
2010
Oxide Distribution in Prealloyed Water Atomized Steel Powder
Dimitris Chasoglou, Eduard Hryha, Lars Nyborg
World Powder Metallurgy Congress and Exhibition, World PM 2010; Florence; Italy; 10 October 2010 through 14 October 2010. Vol. 1, p. 61-69
Paper i proceeding
2010
Oxide Transformation During Sintering Of Prealloyed Water Atomized Steel Powder
Eduard Hryha, Lars Nyborg
World Powder Metallurgy Congress and Exhibition, World PM 2010; Florence; Italy; 10 October 2010 through 14 October 2010. Vol. 2, p. 268-275
Paper i proceeding
2010
The Effect of Manganese on Microstructure Development and Diffusion Characteristics in Admixed Fe-Mn-C Sintered Steels
Robert Bidulsky, M Actis Grande, Eduard Hryha et al
World Powder Metallurgy Congress and Exhibition, World PM 2010; Florence; Italy; 10 October 2010 through 14 October 2010. Vol. 3, p. 113-120
Paper i proceeding
2010
Critical Aspects of Alloying of Sintered Steels with Manganese
Eduard Hryha, Eva Dudrova, Lars Nyborg
Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science. Vol. 41A (11), p. 2880-2897
Artikel i vetenskaplig tidskrift
2010
Surface Interactions during Sintering of Chromium-alloyed PM Steels in Different Atmospheres
Dimitris Chasoglou, Eduard Hryha, Lars Nyborg
World Powder Metallurgy Congress and Exhibition, World PM 2010; Florence; Italy; 10 October 2010 through 14 October 2010. Vol. 2, p. 3-12
Paper i proceeding
2009
An application of universal hardness test to metal powder
Eduard Hryha, Pavel Zubko, Eva Dudrova et al
Journal of Materials Processing Technology. Vol. 209 (5), p. 2377-2385
Artikel i vetenskaplig tidskrift
2009
Surface Analysis of Prealloyed with Manganese Steel Powder
Eduard Hryha, Lars Nyborg, Sven Bengtsson
European International Powder Metallurgy Congress and Exhibition, Euro PM 2009; Copenhagen; Denmark; 12 October 2009 through 14 October 2009. Vol. 2, p. 169-174
Paper i proceeding
2009
Methodology for Evaluating the Oxide Distribution in Water Atomized Steel Powder
Dimitris Chasoglou, Eduard Hryha, Lars Nyborg
Proceedings of EURO PM 2009 International Powder Metallurgy Congress & Exhibition. Vol. 2, p. 181-186
Paper i proceeding
2009
Microstructure Development during Sintering of Manganese Alloyed PM Steels
Eduard Hryha, Lars Nyborg, E Dudrova et al
Proceedings Of Euro PM2009 Congress&Exhibition. Vol. 1, p. 17-22
Paper i proceeding
2009
Evaluation of Surface Characteristics of Prealloyed Cr-Mo-steel Powder
Dimitris Chasoglou, Eduard Hryha, Lars Nyborg
Proceedings of XXV Panhellenic Conference on Solid State Physics & Materials Science, p. 267-268
Paper i proceeding
2009
Powder Properties, Compacting and Sintering
Eduard Hryha, Robert Bidulsky, Robert Dzunda
Powder Metallurgy - Laboratory Work Tutorial, EPMA/IMR SAS, Kosice, Slovakia, June 2009, p. 9-22
Kapitel i bok
2008
BRITTLENESS OF STRUCTURAL PM STEELS ADMIXED WITH MANGANESE STUDIED BY ADVANCED ELECTRON MICROSCOPY AND SPECTROSCOPY
Eduard Hryha, Lars Nyborg, E Dudrova et al
Powder Metallurgy Progress. Vol. 8 (2), p. 109-114
Artikel i vetenskaplig tidskrift
2008
Modelling of Sintering Atmosphere and Microstructure Development of Chromium Alloyed Steel
Sepehr Hatami, Eduard Hryha, Lars Nyborg et al
Powder Metallurgy Progress. Vol. 8 (2), p. 115-120
Artikel i vetenskaplig tidskrift
2008
Study of Reduction/Oxidation Processes in Cr-Mo Prealloyed Steels during Sintering by Continuous Atmosphere Monitoring
Eduard Hryha, L Cajkova, E Dudrova et al
Proceedings of European Congress & Exhibition in Powder Metallurgy EURO PM 2008, p. 109-114
Paper i proceeding
Visar 8 forskningsprojekt
2018–2021
Nya materiallösningar för defektfri additiv tillverkning av svårsvetsade Ni-baserade legeringar
Eduard Hryha
Material och tillverkning
VINNOVA
2016–2018
Nytt nickelbaserat material för additiv tillverkning av komponenter för högtemperaturapplikationer
Eduard Hryha
Material och tillverkning
Masoud Rashidi
Material och tillverkning
VINNOVA
2016–2020
Nanoteknikstödd tillverkning av högpresterande sinterstål
Lars Nyborg
Material och tillverkning
Eduard Hryha
Material och tillverkning
Johan Liu
Mikroteknologi och nanovetenskap (MC2)
Stiftelsen för Strategisk forskning (SSF)
2014–2016
Strategic Research Area No.1 Modelling - Fas II
Lars Nyborg
Material och tillverkning
Eduard Hryha
Material och tillverkning
Martin Fagerström
Material- och beräkningsmekanik
Fang Liu
Materialens mikrostruktur
VINNOVA
2014–2017
Innovativ pulverbaserad tillverkning av kugghjul med höga prestanda (HIPGEAR)
Lars Nyborg
Material- och tillverkningsteknik
Eduard Hryha
Material och tillverkning
Maheswaran Vattur Sundaram
Material och tillverkning
VINNOVA
2013–2014
Realisering av mjukmagnetisk komposit för ökad användning i framtida induktorer
Eduard Hryha
Yt- och mikrostrukturteknik
VINNOVA
2013–2016
Ny sintringsstrategi för konkurrenskraftig tillverkning av högpresterande pulvermetallurgiska komponenter
Maheswaran Vattur Sundaram
Yt- och mikrostrukturteknik
Seshendra Karamchedu
Yt- och mikrostrukturteknik
Eduard Hryha
Yt- och mikrostrukturteknik
Lars Nyborg
Material- och tillverkningsteknik
VINNOVA
2012–2013
Sinterprodukter med hög statisk lastförmåga - inverkan av anlöpning på deformationsstabilitet vid användning
Lars Nyborg
Material- och tillverkningsteknik
Eduard Hryha
Yt- och mikrostrukturteknik
Maheswaran Vattur Sundaram
Yt- och mikrostrukturteknik
Kumar Babu Surreddi
Yt- och mikrostrukturteknik
VINNOVA
Det kan finnas fler projekt där Eduard Hryha medverkar, men du måste vara inloggad som anställd på Chalmers för att kunna se dem.