Finite Element Analysis of Residual Stress in Diamond/Steel Brazed Joint

Yan Chen; Jiu Hua Xu; Yu Can Fu; Hong Hua Su; Wen Feng Ding

doi:10.4028/www.scientific.net/MSF.626-627.195

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HomeMaterials Science ForumMaterials Science Forum Vols. 626-627Finite Element Analysis of Residual Stress in...

Finite Element Analysis of Residual Stress in Diamond/Steel Brazed Joint

Abstract:

In the application of brazed diamond tools, residual stress caused by differences in materials properties is an important factor in obtaining good brazing quality. The residual stress in diamond/steel brazed joint is studied by means of finite element method and Raman spectroscopy in this paper. The comparison between the results from the simulations and the measurements shows that a good agreement has been reached. Tensile stress concentration at the diamond edge near interface was observed. High residual stress concentration may cause cracks in diamond. Actually, cracks in diamond caused by brazing residual stress after were observed. The stress concentration of the joint must be reduced to obtain good brazed joint. The change of brazing atmosphere or to adopt the soft brazing alloy will reduce the stress concentration.

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Advances in Materials Manufacturing Science and Technology XIII Volume I

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Periodical:

Materials Science Forum (Volumes 626-627)

Pages:

195-200

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.626-627.195

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Online since:

August 2009

Authors:

Yan Chen, Jiu Hua Xu, Yu Can Fu, Hong Hua Su, Wen Feng Ding

Keywords:

Brazed Joint, Diamond, Finite Element Model (FEM), Residual Stress

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