Study on corrosion properties of industrial pure titanium TA2 double tungsten arc welding joints

ZHOU Yang; KONG Liang; WANG Min; HUA Xueming

doi:10.7512/j.issn.1001-2303.2020.01.07

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Study on corrosion properties of industrial pure titanium TA2 double tungsten arc welding joints
Vol. 50, Issue 1, Pages: 47-50(2020)
DOI： 10.7512/j.issn.1001-2303.2020.01.07

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ZHOU Yang, KONG Liang, WANG Min, et al. Study on corrosion properties of industrial pure titanium TA2 double tungsten arc welding joints. [J]. 50(1):47-50(2020)
DOI：

ZHOU Yang, KONG Liang, WANG Min, et al. Study on corrosion properties of industrial pure titanium TA2 double tungsten arc welding joints. [J]. 50(1):47-50(2020) DOI： 10.7512/j.issn.1001-2303.2020.01.07.

摘要

钛及钛合金凭借其比强度高、密度小和良好的耐腐蚀性能,广泛应用于汽车、生物医疗、航空航天、石油化工、海洋工程等领域。双钨极氩弧焊相比较传统的钨极氩弧焊可以抑制焊接缺陷,提高焊接速度。本文研究了工业纯钛TA2双钨极氩弧焊焊接接头的耐腐蚀性能,研究表明,双钨极氩弧焊焊缝中心细小的枝晶几乎占据了整个焊缝界面的50%,靠近焊缝的热影响区为均匀分布的等轴晶,双钨极氩弧焊提高了工业纯钛的耐腐蚀性能,扩大了其在恶劣环境下的使用范围。

Abstract

Titanium and titanium alloys are widely used in automobile,biomedicine,aerospace,petrochemical,marine engineering and other fields due to their high specific strength,low density and good corrosion resistance. Compared with con-ventional tungsten argon arc welding,double tungsten argon arc welding can suppress welding defects and improve welding speed. In this paper,the corrosion resistance of industrial pure titanium TA2 double tungsten argon arc welding joints is studied.The result shows that double tungsten argon arc welding improves the corrosion resistance of industrial pure titanium and expands its usable range in severe environments.

关键词

工业纯钛双钨极氩弧焊腐蚀性能

Keywords

industrial pure titaniumdouble tungsten argon arc weldingcorrosion performance

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Laser welding technology of industrial pure titanium TA2