[1]马铁军,王　刚,李文亚,等.钛合金线性摩擦焊界面氧化物“自清理”过程研究[J].焊管,2018,41(3):24-28.
　MA Tiejun,WANG Gang,LI Wenya,et al.Research on Self-cleaning Behavior of Interfacial Oxide During Titanium Linear Friction Welding[J].,2018,41(3):24-28.
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钛合金线性摩擦焊界面氧化物“自清理”过程研究()
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
41
期数:
2018年第3期
页码:
24-28
栏目:
试验与研究
出版日期:
2018-03-28

文章信息/Info

Title:
Research on Self-cleaning Behavior of Interfacial Oxide During
Titanium Linear Friction Welding
作者:
马铁军1; 王　刚1; 2; 李文亚1; 张　勇1; 张晓强1
1． 西北工业大学 摩擦焊接陕西省工程技术重点实验室，西安 710072；
2． 山东电力设备有限公司，济南 250022
Author(s):
MA Tiejun1;  WANG Gang1; 2;  LI Wenya1;  ZHANG Yong1;  ZHANG Xiaoqiang1
1. Shaanxi Key Laboratory of friction Welding technologies, Northwestern Polytechnical University,  Xi’an 710072, China;
2. Shandong Power Equipment Co., Ltd, Jinan 250022, China
关键词:
线性摩擦焊; 钛合金; 摩擦时间; 氧化物“自清理”
Keywords:
linear friction welding;  titanium;  friction time;  self-cleaning of oxides
文献标志码:
A
摘要:
为了对钛合金线性摩擦焊界面氧化物“自清理”过程进行研究，利用Mo涂层模拟界面氧化物，采用不同摩擦时间的焊接工艺，进行了3组钛合金线性摩擦焊的对比试验。利用光学显微镜观察了焊接界面Mo颗粒分布情况，采用电子扫描显微镜测定了焊接界面残留Mo颗粒的含量；通过观察Mo颗粒在焊缝及飞边中的分布演变情况，研究了钛合金线性摩擦焊界面氧化物的“自清理”过程。结果表明，在钛合金线性摩擦焊过程中，氧化物被热塑性金属包裹，随着工件的相对运动，由界面挤出并形成飞边，致密结合的飞边可以防止内部金属进一步氧化；在合适的焊接参数前提下，适当的摩擦时间可以保证焊接界面完成氧化物的“自清理”过程。
Abstract:
In order to research on self-cleaning behavior of interfacial oxide during titanium linear friction welding, by simulating interfacial oxide used Mo coating, three contrast tests of titanium linear friction welding with the welding technologies of different friction time were conducted. The distribution of Mo particles was observed by optical microscope, the content of residual Mo particles was measured by electronic scanner microscope; the process of oxides self-cleaning in titanium linear friction welded joint was researched by observing the distribution of Mo particles in the weld zone and flash. The results showed that oxides were surrounded by the thermoplastic metal and were extruded into the flash with the relative movement of the workpiece during linear friction welding, the dense flash could prevent further oxidation; the right friction time could ensure finish self-cleaning completely under the suitable welding parameters.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期： 201８-０１-１７
基金项目： 国家自然科学基金项目“热力极端非平衡条件下两相钛合金线性摩擦焊接头形性控制研究”（项目编号51675435）。
作者简介：马铁军（1972—），男，副教授，博士，现主要从事线性摩擦焊设备、工艺及理论方面研究。
更新日期/Last Update: 2018-04-18