The proceedings of the JSME annual meeting
Online ISSN : 2433-1325
2006.1
Session ID : 3320
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3320 Super long-life fatigue of radical nitriding and shot-peened SNCM439 steel
Masaaki MISUMIMasafumi OHKUBOKenta NAKAYAMA
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Abstract

Super long-life fatigue tests were conducted for the rotating bending specimen shot-peened after radical nitrizing. Circular type, semicircular type fish-eyes and two fish-eyes at a fracture surface were observed. Fatigue life lengthen effect by combined surface treatment of radical nitrizing and shot-peening was not almost recognized.

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© 2006 The Japan Society of Mechanical Engineers
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