Magnus Hörnqvist Colliander
The focus of my research is to improve the understanding of processing-structure-property relationships in advanced high-performance engineering materials on a fundamental level. This is typically done through the development and use of in-situ characterization methods employing electron microscopy and scattering/diffraction based techniques at large scale facilities. A particular focus is in-situ measurements of phase transformations, internal stresses and deformation mechanisms during e.g. representative thermal/mechanical cycles using time-resolved synchrotron/neutron scattering and diffraction, as well as the extraction of properties of individual phases, grains and interfaces using in-situ micromechanical testing. The ultimate goal is to contribute towards development of new and improved materials, in particular with respect to temperature stability and mechanical performance, in order to reduce the environmental impact during both processing and application. This is achieved by applying the more fundamental knowledge gained, in collaborative projects with industry.
Showing 96 publications
Measuring residual stresses in individual on-chip interconnects using synchrotron nanodiffraction
Concomitant Precipitation of Intermetallic β-NiAl and Carbides in a Precipitation Hardened Steel
Alloying of C40-structured Mo(Si,Al)
Meta-Dynamic Recrystallization in the Ni-Based Superalloy Haynes 282
Dynamic recrystallization during hot compression of Ni-based superalloy Haynes 282
Decomposition pathways in nano-lamellar CVD Ti
High temperature compression of Mo(Si,Al)2-Al2O3 composites
High temperature deformation of polycrystalline C40 Mo(Si,Al)
Influence of Yttrium Doping on the Oxidation of Mo(Si,Al)(2) in Air at 1500 degrees C
Influence of Yttrium Doping on the Oxidation of Mo(Si,Al)
Load redistribution in eutectic high entropy alloy AlCoCrFeNi
Effect of lithiation on the elastic moduli of carbon fibres
Cyclic Deformation of Microcantilevers Using In-Situ Micromanipulation
Dynamic and Post-Dynamic Recrystallization of Haynes 282 below the Secondary Carbide Solvus
Elastic-viscoplastic self-consistent modeling for finite deformation of polycrystalline materials
Imaging Ultrafast Dynamical Diffraction Wave Fronts in Strained Si with Coherent X Rays
Ultrafast dynamical diffraction wavefronts in strained Si imagined with Tele-ptychography
Precipitation of γ’ during cooling of nickel-base superalloy Haynes 282
Fracture of Cr2O3 single crystals on the microscale
Tailored grain morphology via a unique melting strategy in electron beam-powder bed fusion
Complete precipitate dissolution during adiabatic shear localisation in a Ni-based superalloy
Fatigue crack growth of electron beam melted TI-6AL-4V in high-pressure hydrogen
Wire-Based Additive Manufacturing of Ti-6Al-4V Using Electron Beam Technique
Precipitation Kinetics and Morphology of Grain Boundary Carbides in Ni-Base Superalloy Haynes 282
Microscale fracture of chromia scales
Ni nanocluster composites for enhanced impact resistance of multilayered arc-PVD ceramic coatings
Strain Rate Effects on Fracture Behavior of Austempered Ductile Irons
Anisotropy effects during dwell-fatigue caused by δ-phase orientation in forged Inconel 718
Effect of microstructure on dynamic shear localisation in Alloy 718
Nano-scale characterization of white layer in broached Inconel 718
Intergranular Oxidation Effects During Dwell-Time Fatigue of High-Strength Superalloys
Crack Growth Studies in a welded Ni-base superalloy
Deformation and Failure of OFHC Copper under high strain rate shear compression
Modelling and simulation of dynamic recrystallization (DRX) in OFHC copper at very high strain rates
Influence of dwell time on fatigue crack propagation in Alloy 718 laser welds
Time- and cycle-dependent crack propagation in Haynes 282
Dynamic Recrystallization During High-Strain-Rate Tension of Copper
Microstructural examination of shear localisation during high-strain-rate deformation of Alloy 718
Influence of carbide distribution on ductility of Haynes®282® forgings
Early stages of spinodal decomposition in Fe–Cr resolved by in-situ small-angle neutron scattering
Multi-scale, multi-technique investigation of oxidation assisted cracking
Correlation between crack length and load drop for low-cycle fatigue crack growth in Ti-6242
Deformation and texture evolution of OFHC copper during dynamic tensile extrusion
Numerical Simulation of Dynamic Tensile Extrusion Test of OFHC Copper
Phase Separation in Fe-Cr Alloys Studied by Small Angle Neutron Scattering
Fatigue crack growth behaviour of forged Ti-6Al-4V in gaseous hydrogen
Anisotropy of Room Temperature Ductility in Haynes 282 Forgings
Estimation of microscale strain fields in a pearlitic steel using DIC and in-situ SEM
High-temperature crack growth in a Ni-base superalloy during sustained load
Low-Cycle Fatigue Crack Growth in Ti-6242 at Elevated Temperature
Reduced Dwell-Fatigue Resistance in a Ni-Base Superalloy After Short-Term Thermal Exposure
Identification of microscale strain fields from in-situ SEM images of a pearlitic steel using DIC
Dynamic strain aging in Haynes 282 superalloy
Fracture mechanisms during intergranular hold time fatigue crack growth in Inconel 718 superalloy
Intergranular crack tip oxidation in a Ni-base superalloy
Influence of high temperature hold times on the fatigue crack propagation in Inconel 718
Experiments and modelling of the cyclic behaviour of Haynes 282
High temperature fatigue crack growth in Alloy 718 - Effect of tensile hold times
Fatigue crack growth testing using varying R-ratios
Fatigue crack growth behaviour of Inconel 718 with high temperature hold times
Fatigue crack growth in Ti-6242 under elasto-plastic loading conditions
Dynamic strain ageing and dynamic precipitation in AA7030 during cyclic deformation
Effect of heat treatment on the strain hardening behaviour of an Al-Zn-Mg alloy
Monotonic and Cyclic Plastic Deformation of High-Strength Aluminium Alloys
Unloading stiffness of near fully pearlitic steel UIC-R8/R8T during cyclic plastic straining
Influence of Heat Treatment on the Cyclic Deformation Properties of Aluminium Alloy AA7030
Temperature and Strain Rate Effects on the Work Hardening of AA7030
Temperature and strain rate dependence of the dynamic strain ageing effect in an Al-Zn-Mg alloy
The Plastic Flow Behaviour of Aluminium Alloys Exhibiting Dynamic Strain Ageing
Temperature and Strain Rate Effects on the Dynamic Strain Ageing of AA7030
Dynamic strain ageing effects in an extruded AA 7030 alloy subjected to tensile deformation
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Showing 19 research projects
Phase stability and polymorphism in multi-principal-element alloys
In-situ diffraction Mo(Si,Al)2 for sustainable heating applications
Neutron and X-ray science for industrial technology transitions (NeXT)
Synchrotron nano-diffraction for advanced CVD coatings
Developing next generation high temperature MoSi2 materials
Experimental micromechanics in three dimensions
Analysis and Modelling Service for Engineering Materials Studied with Neutrons
Termo-mekanisk formning av nickel-baserade superlegeringar (TherMechPro)
Sample environment for nano-mechanical testing at MAX IV
Self-consistent modelling for neutron scattering applications
Ultra-high temperature In-situ Mechanical Testing at BEER
Enabling energy savings through additive manufacturing – The effect of going small
Oxidation assisted crack growth in gas turbine materials
In-situ micromechanical testing of interfaces for multiscale modeling of fracture