A Study on the Development of Mach Peening for Prolonging Fatigue Life of Machine Structural Alloy Steel

Abstract:

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The light weight components, crucial in automobiles and machinery, is require hight strength. Mach peening process is one of many of techniques utilized for improving fatigue properties. From the results of rotary bending fatigue tests, the fatigue strength increases up to 129% in mach peening specimen compared with un-peening. A layer of highly compressed residual stress is obtained by mach peening. The compressive residual stress, induced by mach peening, seems to be an important factor for increasing the fatigue strength.

Info:

Periodical:

Materials Science Forum (Volumes 580-582)

Edited by:

Changhee Lee, Jong-Bong Lee, Dong-Hwan Park and Suck-Joo Na

Pages:

621-624

DOI:

10.4028/www.scientific.net/MSF.580-582.621

Citation:

B. K. Lim "A Study on the Development of Mach Peening for Prolonging Fatigue Life of Machine Structural Alloy Steel", Materials Science Forum, Vols. 580-582, pp. 621-624, 2008

Online since:

June 2008

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Price:

$35.00

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