The Proceedings of the Materials and Mechanics Conference
Online ISSN : 2424-2845
2009
Session ID : OS0705
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OS0705 Giga-cycle Fatigue Behavior of Powdered High Speed Steel
Ryuichiro Ebara, keisuke Nakamura, Atsushi Ogura, Yoshihiro Ishihara, Shinichi Hamaya
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Keywords: Giga cycle fatigue, Powdered high speed steel, Notch, Fatigue crack initiation, Fatigue crack propagation
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Abstract
Giga-cycle fatigue behavior of the powdered high speed steel,HAP72 with Rockwell C scale hardness number of 67 is mainly investigated. Influence of the surface roughness and heat treatment on gigacycle fatigue strength of the HAP72 is mainly presented. Fatigue crack initiation behavior of the HAP72 is discussed with respect to fracture surface morphology.
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© 2009 The Japan Society of Mechanical Engineers
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Proceedings of the 1992 Annual Meeting of JSME/MMD

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