scholarly journals ECCI observations of dislocation structures around fatigue cracks in ferritic stainless steel single crystals

2009 ◽  
Vol 3 ◽  
pp. 012020 ◽  
Author(s):  
T Taniguchi ◽  
Y Kaneko ◽  
S Hashimoto
Keyword(s):  
Stainless Steel ◽  
Single Crystals ◽  
Ferritic Stainless Steel ◽  
Fatigue Cracks

Cyclic deformation of ferritic stainless steel single crystals showing the stress asymmetry

2001 ◽  
Vol 319-321 ◽  
pp. 559-563 ◽  
Author(s):  
Y Kaneko ◽  
Y Nagai ◽  
H Miyamoto ◽  
T Mimaki ◽  
S Hashimoto
Keyword(s):  
Stainless Steel ◽  
Single Crystals ◽  
Ferritic Stainless Steel ◽  
Cyclic Deformation ◽  
Stress Asymmetry

Growth of Short Fatigue Cracks Emanating from Notches in an Austenitic-Ferritic Stainless Steel

2007 ◽  
Vol 348-349 ◽  
pp. 117-120 ◽  
Author(s):  
Ondřej Kotecký ◽  
Suzanne Degallaix ◽  
Jaroslav Polák
Keyword(s):  
Stainless Steel ◽  
Crack Growth ◽  
Ferritic Stainless Steel ◽  
Fatigue Cracks ◽  
Stress Gradient ◽  
Fatigue Tests ◽  
Optical Observations ◽  
Two Phase ◽  
Double Edge ◽  
Crack Growth Rates

The present work studies the effect of the microstructure and of the stress gradient on the early fatigue crack growth in a two-phase austenitic-ferritic stainless steel. Fatigue tests were performed on two geometries of double edge notched specimens. Direct optical observations of the surface are used to measure the surface crack growth rates. The results are presented and the effects of stress and strain gradients on the crack propagation kinetics are discussed.

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