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首页> 外文会议>International Conference on Shot Peening >Influence of Retained Austenite, Strain-induced Martensite and Bending Stress upon Shot Peening-induced Residual Compressive Stresses
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Influence of Retained Austenite, Strain-induced Martensite and Bending Stress upon Shot Peening-induced Residual Compressive Stresses

机译：保留奥氏体，应变诱导的马氏体和弯曲应力对射击喷丸诱导的残余压缩应力的影响

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To introduce large residual compressive Stresses by means of shot peening, the authors conducted an experiment using vacuum carburized and shot peened or stress peened test pieces. The influence of arc height (Ah), shot radius (R), retained austenite (γ_R), strain-induced martensite (M_Q) and bending stress (σ_(pre)) upon residual compressive stresses was investigated systematically. Residual compressive stresses were found to be quite dependent on Ah/R, only slightly influenced by γ_R and hardly affected by M_Q content. Approximately, 50% of the applied σ_(pre) was introduced as residual compressive stress. Finally, the amount of induced residual compressive stresses linearly depended on Ah/R γ_R and σ_(pre).
机译：为了通过喷丸喷丸引入大的残余压缩应力，作者使用真空渗碳并射击喷丸或胁迫喷丸试验片进行实验。系统地研究了弧度高度（AH），拍摄半径（R），保留奥氏体（γ_R），应变诱导的马氏体（M_Q）和弯曲应力（σ_（前））的影响。发现残留的抗压应力非常依赖于AH / R，仅略微影响γ_R并对M_Q含量几乎影响。大约，50％的施用σ_（前）被引入残余压缩应力。最后，诱导的残余压缩应力线性依赖于Ah /Rγ_R和σ_（pre）。

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