4Cr13量具钢残余应力测定分析
Tool Engineering(2006)
Abstract
从尺寸稳定性着手,针对4Cr13马氏体不锈钢200℃回火20小时、120℃回火70小时、振动时效三种时效处理工艺,用X射线衍射测量分析其表面残余应力的分布情况。结果表明,从消除残余应力的角度看,热时效比振动时效具有显著的效果,200℃回火20小时工艺较120℃回火70小时工艺具有显著的效果。
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Key words
residual stress,heat aging,vibrate stress relief(VSR),X-ray diffraction
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