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Experiment and FEM Simulation on Residual Stress of Cold Expansion Hole

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Abstract:

A 2D cylindrical plate model has been established to study the distribution of residual stress of cold expansion hole under different interference values. In addition, the effects of material models on residual stress fields are considered also. Experiments are carried out to measure the residual stress of cold expansion hole and verify simulation results. FEM results show, with interference values increasing, the higher residual radial and circumferential stresses are obtained. At same interference value, the residual stress of Hardening Material( HM ) model is much larger than that of Elastic Perfectly Plastic Material( EPPM ) model.

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Info:

Periodical:

Materials Science Forum (Volumes 561-565)

Pages:

1783-1786

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.561-565.1783

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Cite this paper

Online since:

October 2007

Authors:

Xiao Jun Shao, Jun Liu, Yong Shou Liu, Zhu Feng Yue

Keywords:

Cold Expansion Hole, Experimental Test, Interference Value

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© 2007 Trans Tech Publications Ltd. All Rights Reserved

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