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考虑材料损伤演化的钛合金切削过程仿真及试验研究

付杰 王伏林 杨旭静 朱克忆

付杰, 王伏林, 杨旭静, 朱克忆. 考虑材料损伤演化的钛合金切削过程仿真及试验研究[J]. 机械科学与技术, 2014, 33(8): 1245-1250. doi: 10.13433/j.cnki.1003-8728.2014.0827
引用本文: 付杰, 王伏林, 杨旭静, 朱克忆. 考虑材料损伤演化的钛合金切削过程仿真及试验研究[J]. 机械科学与技术, 2014, 33(8): 1245-1250. doi: 10.13433/j.cnki.1003-8728.2014.0827
Fu Jie, Wang Fulin, Yang Xujing, Zhu Keyi. Simulation and Experimental Study on the Cutting Process of Titanium Alloy Considering Damage Evolution[J]. Mechanical Science and Technology for Aerospace Engineering, 2014, 33(8): 1245-1250. doi: 10.13433/j.cnki.1003-8728.2014.0827
Citation: Fu Jie, Wang Fulin, Yang Xujing, Zhu Keyi. Simulation and Experimental Study on the Cutting Process of Titanium Alloy Considering Damage Evolution[J]. Mechanical Science and Technology for Aerospace Engineering, 2014, 33(8): 1245-1250. doi: 10.13433/j.cnki.1003-8728.2014.0827

考虑材料损伤演化的钛合金切削过程仿真及试验研究

doi: 10.13433/j.cnki.1003-8728.2014.0827
基金项目: 

国家自然科学基金项目(51075136)

湖南省自然科学基金项目(14JJ7094)资助

详细信息
    作者简介:

    付杰(1988-),硕士,研究方向为切削加工过程物理仿真及刀具优化设计,sanxiarenshi@hotmail.com;王伏林(联系人),副教授,博士,wangfulin-01@163.com

    付杰(1988-),硕士,研究方向为切削加工过程物理仿真及刀具优化设计,sanxiarenshi@hotmail.com;王伏林(联系人),副教授,博士,wangfulin-01@163.com

Simulation and Experimental Study on the Cutting Process of Titanium Alloy Considering Damage Evolution

  • 摘要: 为更精确地模拟钛合金的切削过程,将断裂力学的裂纹扩展能量理论作为材料损伤演化准则引入切削仿真,考虑刀具切屑接触面上的极限剪切应力随摩擦系数变化、摩擦系数随温度变化,建立了钛合金Ti-6Al-4V二维正交热力耦合切削仿真模型。通过钛合金车削试验及切屑金相观察试验对有限元模型进行验证,结果表明仿真的切削力、锯齿切屑形态与实验结果吻合程度较高。以该有限元模型为基础,分析了已加工表面的残余应力,预测了前角对切屑卷曲与损伤程度、剪切角、锯齿形状、刀具温度的影响。
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  • 收稿日期:  2013-02-28

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