钨极气体保护电弧焊

钨极气体保护电弧焊(英语:Gas tungsten arc welding,简称GTAW焊),或称钨极惰性气体保护焊(英语:tungsten inert gas welding,简称TIG焊),是一种以非熔化电极进行焊接电弧焊接法。进行GTAW焊时,焊接区以遮护气体阻绝大气污染(普遍使用惰性气体),并通常搭配使用焊料(填充金属),但有些自熔焊缝可省略此步骤。焊接时,由传导通过高度离子化的气体(即等离子)和金属蒸气的电弧,作为恒流焊接电源,提供能量。

TIG焊一座青铜雕塑

GTAW焊常用于焊接不锈钢合金等非铁金属的薄板。相较于手工电弧焊气体保护金属极电弧焊,它更易于控制焊接处,提高焊接品质。然而,GTAW焊较为复杂、难以精通,而且焊接速度明显比其他焊接法缓慢。另一种类似于GTAW焊的焊接法:等离子弧焊,使用些微不同的焊炬,制造出更集中的焊接电弧,因此常被使用于自动化工艺[1]

注释

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  1. ^ Weman, 31, 37–38

参考文献

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  • American Welding Society. Welding handbook, welding processes Part 1. Miami Florida: American Welding Society. 2004. ISBN 0-87171-729-8. 
  • ASM International. Trends in welding research. Materials Park, Ohio: ASM International. 2003. ISBN 0-87170-780-2. 
  • Cary, Howard B.; Helzer, Scott C. Modern welding technology. Upper Saddle River, New Jersey: Pearson Education. 2005. ISBN 0-13-113029-3. 
  • Jeffus, Larry. Welding: Principles and applications. Thomson Delmar. 2002. ISBN 1-4018-1046-2. 
  • Lincoln Electric. The procedure handbook of arc welding. Cleveland: Lincoln Electric. 1994. ISBN 99949-25-82-2. 
  • Messler, Robert W. Principles of welding. Troy, New York: John Wiley & Sons, Inc. 1999. ISBN 0-471-25376-6. 
  • Minnick, William H. Gas tungsten arc welding handbook. Tinley Park, Illinois: Goodheart–Willcox Company. 1996. ISBN 1-56637-206-2. 
  • Watkins, Arthur D.; Mizia, Ronald E. Optimizing long-term stainless steel closure weld integrity in DOE standard spent nuclear canisters. ASM International. : 424–426. 
  • Weman, Klas. Welding processes handbook. New York: CRC Press LLC. 2003. ISBN 0-8493-1773-8. 

外部链接

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