scholarly journals Effect of phase in surface layers on rotating-bending fatigue strength of SCM415 steel after austenitic nitriding

2020 ◽  
Vol 9 (3) ◽  
pp. 4894-4903
Author(s):  
Yasushi Hiraoka
Keyword(s):  
Fatigue Strength ◽  
Surface Layers ◽  
Bending Fatigue ◽  
Rotating Bending Fatigue ◽  
Rotating Bending ◽  
Bending Fatigue Strength

High Cycle Fatigue Behavior of Thermally Oxidized Ti6Al4V Alloy

2007 ◽  
Vol 561-565 ◽  
pp. 2179-2182 ◽  
Author(s):  
Mehmet Cingi ◽  
Onur Meydanoglu ◽  
Hasan Guleryuz ◽  
Murat Baydogan ◽  
Huseyin Cimenoglu ◽  
...  
Keyword(s):  
Fatigue Strength ◽  
Yield Strength ◽  
Thermal Oxidation ◽  
Fatigue Behavior ◽  
Surface Hardness ◽  
Ti6al4v Alloy ◽  
Bending Fatigue ◽  
Rotating Bending Fatigue ◽  
Rotating Bending ◽  
Bending Fatigue Strength

In this study, the effect of thermal oxidation on the high cycle rotating bending fatigue behavior of Ti6Al4V alloy was investigated. Oxidation, which was performed at 600°C for 60 h in air, considerably improved the surface hardness and particularly the yield strength of the alloy without scarifying the tensile ductility. Unfortunately, the rotating bending fatigue strength at 5x106 cycles decreased from about 610 MPa to about 400 MPa upon oxidation. Thus, thermal oxidation leaded a reduction in the fatigue strength of around 34%, while improving the surface hardness (HV0.1) and yield strength 85 % and 36 %, respectively.

Study on Rotating Bending Fatigue Strength of FW・RP cylinder

2002 ◽  
Vol 2002 (0) ◽  
pp. 311-312
Author(s):  
Kenji SUNOUCHI ◽  
Toshihisa OHTSUKA ◽  
Hiroshi TAMURA ◽  
Yukiyoshi KOBAYASHI
Keyword(s):  
Fatigue Strength ◽  
Bending Fatigue ◽  
Rotating Bending Fatigue ◽  
Rotating Bending ◽  
Bending Fatigue Strength
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