Leif Viskari

Publications (15)
Projects (2)

Showing 15 publications

2015

Multi-scale, multi-technique investigation of oxidation assisted cracking

Magnus Hörnqvist Colliander, Leif Viskari, Katie L. Moore et al

9th International Conference on Microscopy of Oxidation

Other conference contribution

2014

High-temperature crack growth in a Ni-base superalloy during sustained load

Magnus Hörnqvist Colliander, Leif Viskari, Katie L. Moore et al

Materials Science & Engineering A: Structural Materials: Properties, Microstructure and Processing. Vol. 609, p. 131-140

Journal article

2014

Reduced Dwell-Fatigue Resistance in a Ni-Base Superalloy After Short-Term Thermal Exposure

Magnus Hörnqvist Colliander, Leif Viskari

Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science. Vol. 45 (6), p. 2699-2703

Journal article

2013

Fracture mechanisms during intergranular hold time fatigue crack growth in Inconel 718 superalloy

S. Johansson, Leif Viskari, Krystyna Marta Stiller et al

13th International Conference on Fracture 2013, ICF 2013; Beijing; China; 16 June 2013 through 21 June 2013. Vol. 3, p. 1833-1841

Paper in proceeding

2013

Atom probe tomography of oxide scales

Krystyna Marta Stiller, Leif Viskari, Gustav Sundell et al

Oxidation of Metals. Vol. 79 (3-4), p. 227-238

Journal article

2013

Intergranular crack tip oxidation in a Ni-base superalloy

Leif Viskari, Magnus Hörnqvist Colliander, K. L. Moore et al

Acta Materialia. Vol. 61 (10), p. 3630-3639

Journal article

2013

Effects of different solution heat treatments on the hot ductility of superalloys Part 3 - Waspaloy

Joel Håkan Andersson, Göran Sjöberg, Leif Viskari et al

Materials Science and Technology. Vol. 29 (1), p. 43-53

Journal article

2012

Effect of different solution heat treatments on hot ductility of superalloys Part 2-Allvac 718Plus

Joel Håkan Andersson, Göran Sjöberg, Leif Viskari et al

Materials Science and Technology. Vol. 28 (6), p. 733-741

Journal article

2012

Effect of solution heat treatments on superalloys Part 1 - alloy 718

Joel Håkan Andersson, Göran Sjöberg, Leif Viskari et al

Materials Science and Technology. Vol. 28 (5), p. 609-619

Journal article

2011

Oxygen Induced High Temperature Crack Growth in Ni-base Superalloys

Leif Viskari

Doctoral thesis

2011

Oxygen influenced intergranular crack propagation: analysing microstructure and chemistry in the crack tip region

Leif Viskari, S. Johansson, Krystyna Marta Stiller

Materials at High Temperatures. Vol. 28 (4), p. 336-341

Journal article

2011

Atom probe tomography of Ni-base superalloys Allvac 718Plus and Alloy 718

Leif Viskari, Krystyna Marta Stiller

Ultramicroscopy. Vol. 111 (6), p. 652-658

Journal article

2011

Grain boundary microstructure and fatigue crack growth in Allvac 718Plus superalloy

Leif Viskari, Yu Cao, Mats Norell et al

Materials Science & Engineering A: Structural Materials: Properties, Microstructure and Processing. Vol. 528 (6), p. 2570-2580

Journal article

2010

Hold-time fatigue crack growth of Allvac 718Plus

M. Hörnqvist, Leif Viskari, Krystyna Marta Stiller et al

7th International Symposium on Superalloy 718 and Derivatives 2010. Pittsburgh, 10-13 October 2010. Vol. 2, p. 705-717

Paper in proceeding

2008

Hot Cracking of Allvac 718Plus, Alloy 718 and Waspaloy at Varestraint testing

Joel Håkan Andersson, G. Sjöberg, Leif Viskari et al

Proceedings of the 47th Conference of Metallurgists, August 24-27, Winnipeg, Canada, 2008., p. 401-413

Other conference contribution

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Showing 2 research projects

2015–2016

Influence of hydrogen on premature failure of bearing steel

Leif Viskari Materials Microstructure

Swedish Foundation for Strategic Research (SSF)

2014–2015

Degradation of Bearing Steel Microstructure in Wind Turbines

Mattias Thuvander Materials Microstructure

Leif Viskari Materials Microstructure

Seyed Hosseini Materials Microstructure

ÅForsk

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