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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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钢渗硼表面残余应力的数值分析
, PP. 47-52
Keywords: 渗硼,钢,热应力,有限元法
Abstract:
采用有限元法的平面轴对称分析模型，依据渗硼表面和界面特征，计算45钢在840－1050℃渗硼表面的热应力，45钢渗硼试样在外表面区边缘，FeB/Fe2B界面和Fe2B/钢基体界面呈张应力状态，且界面区存在着急剧的张应力和压应力的交替变化，计算与文献报道的实测应力分布规律一致，钢的渗硼表面搞张应力造成渗硼试样的表面开裂，硼化物的钢基体界面产生的微区塑性变形导致硼化物层剥落.
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