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爆炸焊接用薄钛板拼焊工艺 被引量：3

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摘要 利用等离子弧焊(PAW)和钨极氩弧焊(TIG)对爆炸复合用轧制薄钛板进行拼焊处理。焊接后,从宏观上看,2种焊接工艺下的焊件焊缝表面平整光滑,无裂纹、分层和焊瘤等焊接缺陷,但是TIG焊缝(FZ)的宽度较宽,约为PAW焊缝(FZ)的2倍。渗透探伤(PT)结果表明,2种焊接的焊缝表面无微裂纹、微小气孔等缺陷,但射线探伤(RT)结果表明TIG的FZ局部区域内有微小气孔。观察和比较2种焊件的微观组织和力学性能,发现PAW的焊缝热影响区(HAZ)较窄,而TIG焊缝热影响区(HAZ)宽,且其FZ区的晶粒略微粗大。从焊接界面附近区域的显微硬度来看,PAW焊件各区域的硬度梯度要低于TIG焊件。2种焊件的力学性能检验结果表明PAW焊件的性能优于TIG焊件。以上实验结果表明,PAW焊接方法更适于爆炸复合用薄钛板的拼焊处理。
作者 樊科社 赵惠 何小松 夏学荣 李进军
机构地区 西安天力金属复合材料有限公司 陕西省层状金属复合材料工程研究中心
出处 《四川兵工学报》 CAS 2011年第1期87-90,共4页 Journal of Sichuan Ordnance
关键词 等离子弧焊(PAW) 钨极氩弧焊(TIG) 薄钛板
分类号 TG456.6 [金属学及工艺—焊接]
  • 相关文献

参考文献10

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二级参考文献14

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同被引文献20

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二级引证文献11

四川兵工学报
2011年 第1期

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