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首页> 外文期刊>Materials Science and Engineering >The residual stress distribution of CO_2 laser beam welded AISI316 austenitic stainless steel and the effect of vibratory stress relief
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The residual stress distribution of CO_2 laser beam welded AISI316 austenitic stainless steel and the effect of vibratory stress relief

机译:CO_2激光焊接AISI316奥氏体不锈钢的残余应力分布及减振效果

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摘要

An attempt is made to reduce the residual stresses by means of vibratory stress relief (VSR) by using an electromagnetic exciter. This paper examines the residual stresses induced in a CO_2 laser welded AISI 316 austenitic stainless-steel plates. In this paper, a new approach of reliving stresses has been discussed using an electromagnetic exciter which is easy to apply and overcomes some of the limitations that other VSR procedures currently have. Various tests such as tensile test, impact test, micro- hardness test, and micro-resistivity test were conducted to validate the effectiveness of the residual stress reduction. The residual stress was relived from the AISI 316 welded plates with an average magnitude of 100 MPa.
机译:尝试通过使用电磁激励器来通过振动应力消除(VSR)来减小残余应力。本文研究了在CO_2激光焊接AISI 316奥氏体不锈钢板上产生的残余应力。在本文中,已经讨论了一种使用电磁激励器的缓解应力的新方法,该方法易于应用并且克服了其他VSR程序当前具有的一些局限性。进行了各种测试,例如拉伸测试,冲击测试,显微硬度测试和显微电阻率测试,以验证残余应力降低的有效性。残余应力从AISI 316焊接板中恢复,平均强度为100 MPa。

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