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

Y.K. Zhang; D.J. Kong; J.Z. LuA.X. FengX.D. RenX.Q. Zhang

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

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

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摘要

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 × 10~6 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.

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来源
《Key engineering materials》 |2007年第4期|2301-2304|共4页
作者
Y.K. Zhang; D.J. Kong; J.Z. LuA.X. FengX.D. RenX.Q. Zhang;
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作者单位

School of Mechanical Engineering, Jiangsu University, Zhenjiang 212013, China;

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正文语种英语
中图分类工程基础科学;
关键词
crankshaft chamfer; residual stress; X-ray diffraction (XRD); service life; fatigue rupture;

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

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