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SG砂轮磨削钛合金烧伤机理

张红霞 陈五一 陈志同

张红霞, 陈五一, 陈志同等 . SG砂轮磨削钛合金烧伤机理[J]. 北京航空航天大学学报, 2008, 34(01): 22-26.
引用本文: 张红霞, 陈五一, 陈志同等 . SG砂轮磨削钛合金烧伤机理[J]. 北京航空航天大学学报, 2008, 34(01): 22-26.
Zhang Hongxia, Chen Wuyi, Chen Zhitonget al. Grinding burn mechanism of Titanium alloys with SG wheels[J]. Journal of Beijing University of Aeronautics and Astronautics, 2008, 34(01): 22-26. (in Chinese)
Citation: Zhang Hongxia, Chen Wuyi, Chen Zhitonget al. Grinding burn mechanism of Titanium alloys with SG wheels[J]. Journal of Beijing University of Aeronautics and Astronautics, 2008, 34(01): 22-26. (in Chinese)

SG砂轮磨削钛合金烧伤机理

基金项目: 中国航空第一集团创新基金资助项目(CX03007)
详细信息
    作者简介:

    张红霞(1978-),女,河南周口人,博士生,zhx@me.buaa.edu.cn.

  • 中图分类号: TG 180

Grinding burn mechanism of Titanium alloys with SG wheels

  • 摘要: 钛合金以其良好的耐热耐腐蚀性和特别高的比强度在国内外航空航天工业上得到了广泛的应用.针对钛合金在磨削加工过程中极易发生的磨削烧伤问题,采用先进的测试方法,对磨削过程中磨削力、磨削温度、工件表面粗糙度及表面形貌、表面层金相组织及显微硬度等变化规律进行了分析研究.研究结果表明,TC6钛合金在磨削温度超过600℃时即发生烧伤.表面形貌随磨削温度的升高而逐渐恶化.当发生严重烧伤时,工件表面有裂纹产生,其方向大致与磨削方向垂直.工件烧伤时材料表层的金相组织发生变化, α 相颗粒明显粗大,使得钛合金的物理机械性能下降.研究结果为寻求优化的高效、高精度钛合金磨削加工工艺提供理论及实验依据.

     

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出版历程
  • 收稿日期:  2007-01-19
  • 网络出版日期:  2008-01-31

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