Effect Of Fine-particle Bombardment On Fatigue Strength
Of Carburized Cr-Mo Steel
Author(s)
H.N. Ko, C. Kagaya, H. Itoga, K. Ogasawara, N. Egami, K. Tokaji
& M. Nakajima
Abstract
Effect of fine-particle bombardment on fatigue
strength of carburized Cr-Mo steel
H.N. Ko', C. Kagaya2, H. ltogal, K. ogasawara3, N. ~ g a r n i ~ ,
K. ~ o k a j i ~ & M. ~akajima~
I Nakanihon Automotive College, Japan
2 Department of Mechanical Engineering, Chubu University, Japan
3 Inoac Corporation, Japan
4 Department of Mechanical Engineering, Meijo University, Japan
5 Department of Mechanical and System Engineering, Gifu University,
Japan
6 Department of Mechanical Engineering, Toyota National College of
Technology, Japan
Abstract
The rotary bending fatigue test was performed at room temperature on
carbuized Cr-Mo steel, in order to study the effect of fine-particle
bombardment. Gas and vacuum carburized smooth specimens (GC specimen
and VC specimen, respectively) and additional FPB-treated specimens (FPB-GC
specimen and FPB-VC specimen) were prepared for testing. The fatigue
fracture initiated from the surface in GC specimen and VC specimen. On the
other hand, fine-particle bombarded
Keywords
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