Experimental Investigation on Residual Stress of Model S1100 of Crankshaft Chamfer Based on XRD

Abstract:

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Residual stresses of model S1100 of crankshaft chamfer were measured by the technology of XRD. The distributions of residual stresses under mechanical peening, mechanical rolling and isothermal quenching are measured, and the tests of fatigue life were conducted. The results showed that the distribution of residual stress by machining in the crankshaft chamfer is complicated, which is at the tensile-compressive status, and it is one of the main factors to affect fatigue life of the crankshaft; isothermal quenching improves the distribution of residual stress, and tensile stress of the crankshaft chamfer is changed into the compressive stress, which may satisfy the requests of fatigue testing for 5 × 106 cycles. Although the mechanical rolling improved the residual stress distribution in the chamfer linked with the crank, tensile stresses in the chamfer connected with the linkage also increase, which influences the service life of the crankshaft.

Info:

Periodical:

Key Engineering Materials (Volumes 353-358)

Edited by:

Yu Zhou, Shan-Tung Tu and Xishan Xie

Pages:

2301-2304

DOI:

10.4028/www.scientific.net/KEM.353-358.2301

Citation:

Y. K. Zhang et al., "Experimental Investigation on Residual Stress of Model S1100 of Crankshaft Chamfer Based on XRD", Key Engineering Materials, Vols. 353-358, pp. 2301-2304, 2007

Online since:

September 2007

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Price:

$35.00

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