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TC11/TC17异质钛合金线性摩擦连接区疲劳性能分析

汪洪峰, 汪建利, 左敦稳, 宋娓娓, 吉玲

汪洪峰, 汪建利, 左敦稳, 宋娓娓, 吉玲. TC11/TC17异质钛合金线性摩擦连接区疲劳性能分析[J]. 焊接学报, 2016, 37(5): 81-84.
引用本文: 汪洪峰, 汪建利, 左敦稳, 宋娓娓, 吉玲. TC11/TC17异质钛合金线性摩擦连接区疲劳性能分析[J]. 焊接学报, 2016, 37(5): 81-84.
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WANG Hongfeng, WANG Jianli, ZUO Dunwen, SONG Weiwei, JI Ling. Fatigue analysis of TC11/TC17 heterogeneous titanium alloy linear friction jointing[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2016, 37(5): 81-84.
Citation: WANG Hongfeng, WANG Jianli, ZUO Dunwen, SONG Weiwei, JI Ling. Fatigue analysis of TC11/TC17 heterogeneous titanium alloy linear friction jointing[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2016, 37(5): 81-84.
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TC11/TC17异质钛合金线性摩擦连接区疲劳性能分析

  • 1.

    黄山学院机电工程学院, 黄山 245041;南京航空航天大学机电学院, 南京 210016

  • 2.

    黄山学院机电工程学院, 黄山 245041

  • 3.

    南京航空航天大学机电学院, 南京 210016

基金项目: 国家自然科学基金资助项目(51305199,51175255);安徽省高校优秀青年人才基金重点资助项目(2013SQRL089ZD);黄山学院人才启动基金资助项目(2012xkjq003)

Fatigue analysis of TC11/TC17 heterogeneous titanium alloy linear friction jointing

  • 1.

    College of Mechanical and Electrical Engineering, Huangshan University, Huangshan 245041, China;College of Mechanical and Electrical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China

  • 2.

    College of Mechanical and Electrical Engineering, Huangshan University, Huangshan 245041, China

  • 3.

    College of Mechanical and Electrical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China

摘要

    摘要
  • 摘要: 利用线性摩擦连接设备对TC11和TC17两种异质钛合金进行了线性摩擦连接,并通过疲劳试验机分析了连接试样在交变载荷下随着温度增加,其载荷与位移变化关系以及温度与疲劳循环圈数的关系. 结果表明,载荷与位移关系曲线呈树叶状,且随着循环圈数的增加,树叶宽度逐渐变窄,最后变成了直线;但当加热温度增加到钛合金熔点的1/3以上,载荷与位移关系曲线会出现畸变. 温度增加会降低连接板材试样的循环圈数,即温度增加,疲劳寿命降低.
    Abstract: Two heterogeneous titanium alloy TC11 and TC17 was jointed by linear friction jointing. The relationship between load and displacement and the relationship between temperature and the fatigue cycle time with increasing temperature under the cyclic loading were analyzed by the fatigue testing machine. The results show that the relationship between load and displacement curve was leaf, and with the increasing of cycle time, leaf width became narrow gradually, finally turned into a straight line. But when the heating temperature increased to more than 1/3 of the titanium alloy melting point, the relationship between load and displacement curve will occur distortion. Temperature increase will reduce the cycle time of jointing plate specimen. The fatigue life reduces with the increase of temperature.
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    • 参考文献(10)
  • [1] Romero J, Athallah M M, Preuss M, et al. Effect of the forging pressure on the microstructure and residual stress development in Ti-6Al-4V linear friction welds[J]. Acta Materialia, 2009, 57: 5582-5592.
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    [9] 朱小刚, 王联凤, 乔凤斌, 等. 6061-T6铝合金回填式搅拌摩擦点焊疲劳性能分析[J]. 焊接学报, 2014, 35(4): 91-94. Zhu Xiaogang, Wang Lianfeng, Qiao Fengbin, et al. 6061-T6 aluminum alloy backfill type friction stir spot welding fatigue performance analysis[J]. Transactions of the China Welding Institution, 2014, 35(4): 91-94.
    [10] 刘 颖, 张田仓, 李 晶, 等. TC4/TC17钛合金线性摩擦焊接头性能分析[C]//西安: 中国航空学会第十届先进材料技术研讨会论文集, 2011.
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  • 收稿日期:  2015-11-26

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