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超声椭圆振动切削硬质合金脆性-延性转变临界条件研究

段鹏 焦锋 赵波 李杰 牛赢

段鹏, 焦锋, 赵波, 李杰, 牛赢. 超声椭圆振动切削硬质合金脆性-延性转变临界条件研究[J]. 机械科学与技术, 2017, 36(7): 1073-1078. doi: 10.13433/j.cnki.1003-8728.2017.0715
引用本文: 段鹏, 焦锋, 赵波, 李杰, 牛赢. 超声椭圆振动切削硬质合金脆性-延性转变临界条件研究[J]. 机械科学与技术, 2017, 36(7): 1073-1078. doi: 10.13433/j.cnki.1003-8728.2017.0715
Duan Peng, Jiao Feng, Zhao Bo, Li Jie, Niu Ying. Critical Conditions of Brittleness-ductility Transition in Ultrasonic Elliptical Vibration Cutting of Tungsten Carbide[J]. Mechanical Science and Technology for Aerospace Engineering, 2017, 36(7): 1073-1078. doi: 10.13433/j.cnki.1003-8728.2017.0715
Citation: Duan Peng, Jiao Feng, Zhao Bo, Li Jie, Niu Ying. Critical Conditions of Brittleness-ductility Transition in Ultrasonic Elliptical Vibration Cutting of Tungsten Carbide[J]. Mechanical Science and Technology for Aerospace Engineering, 2017, 36(7): 1073-1078. doi: 10.13433/j.cnki.1003-8728.2017.0715

超声椭圆振动切削硬质合金脆性-延性转变临界条件研究

doi: 10.13433/j.cnki.1003-8728.2017.0715
基金项目: 

国家自然科学基金项目(51075127)资助

详细信息
    作者简介:

    段鹏(1975-),副教授,博士研究生,研究方向为精密与超精密加工、特种加工,duanpsj@hpu.edu.cn

    通讯作者:

    焦锋(联系人),教授,博士,jiaofeng@hpu.edu.cn

Critical Conditions of Brittleness-ductility Transition in Ultrasonic Elliptical Vibration Cutting of Tungsten Carbide

  • 摘要: 为了实现硬质合金的高效延性加工,联系硬脆材料表面生成裂纹的临界载荷与超声椭圆振动切削硬质合金的主切削力,建立超声椭圆振动切削硬质合金脆性-延性转变的临界切削深度模型,研究切削速度、刀具圆弧半径、椭圆振动频率、振幅、硬质合金的硬度、断裂韧性与临界切削深度的关系;通过仿切削刻划试验,验证了切削速度与硬质合金的硬度、断裂韧性对临界切削深度的影响规律;对比普通切削,超声椭圆振动切削有利于提高硬质合金的临界切削深度,在改善加工表面质量及精度的前提下,提高了加工效率。
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出版历程
  • 收稿日期:  2016-01-11
  • 刊出日期:  2017-07-05

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