Paper Title:
A Study on the Improvement of Durability of a Drive Plate by Investigating the Optimum Peening Intensity
  Abstract

In this paper the life extension of automobile drive plates will be investigated. The material of specimen is a high carbon steel treated by shot peening, which is most important in the manufacturing process of drive plates. The optimum shot peening condition was investigated by changing the feeding speed and exposure time. The fatigue crack was observed at the fracturing surface of specimens by using scanning electron microscopy (SEM). The distribution of compressive residual stress induced by shot peening process was investigated by using X-ray diffraction. The number of cycles to failure increases at the beginning of exposure. The life cycle decreases after passing some interval of exposure, which will be called as optimum peening zone. Experimental results show that the residual stress distribution and the number of cycles to failure of a drive plate are greatly affected by peening process.

  Info
Periodical
Key Engineering Materials (Volumes 321-323)
Edited by
Seung-Seok Lee, Joon Hyun Lee, Ik Keun Park, Sung-Jin Song, Man Yong Choi
Pages
658-661
DOI
10.4028/www.scientific.net/KEM.321-323.658
Citation
K. J. Lee, J. H. Lee, T. K. Lee, S. K. Cheong, "A Study on the Improvement of Durability of a Drive Plate by Investigating the Optimum Peening Intensity", Key Engineering Materials, Vols. 321-323, pp. 658-661, 2006
Online since
October 2006
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Price
$32.00
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