| TC4＋TC17线性摩擦焊接头的微观组织与力学性能 |
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| 引用本文： | 马铁军,史栋刚,张勇,杨思乾.TC4＋TC17线性摩擦焊接头的微观组织与力学性能[J].航空材料学报,2009,29(4):33-37. |
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| 作者姓名： | 马铁军 史栋刚 张勇 杨思乾 |
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| 作者单位： | 西北工业大学,陕西省摩擦焊接重点实验室,西安,710072 |
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| 基金项目： | 航空科学基金，西工大青年科技创新基金 |
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| 摘 要： | 进行了TC4+TC17异种钛合金试件的线性摩擦焊实验,利用光学显微镜、扫描电镜及透射电镜分析了焊接接头的微观组织,并进行了焊后接头的力学性能测试.着重分析了焊接接头的焊缝、近缝区及变形区的组织特点及相变规律,并结合线性摩擦焊的工艺特点,初步分析了形变组织的形成机理.实验结果表明,利用合理的焊接工艺参数,用线性摩擦焊方法可获得可靠的Tc4+TC1钛合金焊接接头,接头的拉伸性能优于TC4母材.TC4与TC17接头的焊缝区为等轴细品组织,两侧近缝区、变形区的组织形貌差异较大.
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| 关 键 词： | 异种钛合金 线性摩擦焊 组织 性能 |
Mechanical Properties and Microstructure of Linear Friction Welded TC4+TC17 Joint |
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| MA Tie-jun,SHI Dong-gang,ZHANG Yong,YANG Si-qian.Mechanical Properties and Microstructure of Linear Friction Welded TC4+TC17 Joint[J].Journal of Aeronautical Materials,2009,29(4):33-37. |
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| Authors: | MA Tie-jun SHI Dong-gang ZHANG Yong YANG Si-qian |
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| Institution: | Shaanxi Key Laboratory of Friction Welding Technologies;Northwestern Polytechnical University;Xi'an 710072;China |
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| Abstract: | The linear friction welding(LFW) experiment of the dissimilar titanium alloys(TC4 +TC17) was carried out with homemade LFW machine(XMH-160).By means of optical microscopy(OM),scanning electron microscopy(SEM) and transmission electron microscopy(TEM),the microstructure of joint was analyzed in detail.The characteristic of microstructure was described,with particular emphasis on the discipline of phase transition in the weld zone,the near weld zone and the deformation zone.The microstructure of the weld is u... |
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| Keywords: | dissimilar titanium alloys linear friction welding microstructure mechanical properties |
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