Transactions of Nonferrous Metals Society of China The Chinese Journal of Nonferrous Metals

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中国有色金属学报

ZHONGGUO YOUSEJINSHU XUEBAO

第20卷    第z1期    总第1期    2010年10月

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文章编号:1004-0609(2010)S1-s0886-04
钛合金等离子焊后焊接接头超声消应工艺
郭小辉,柳  军,徐希军,贾晓飞

(洛阳船舶材料研究所,洛阳 471039)

摘 要: 针对大型钛制容器的中厚板焊接,研究12 mm厚钛板等离子焊接工艺,分析焊接参数对焊缝成形的影响,确定合适的焊接工艺规范,对焊缝进行超声冲击消应处理,并对比超声消应前后焊缝残余应力的变化。结果表明:钛合金中厚板采用等离子焊接,焊后进行超声消应处理,可有效改善焊缝的残余应力。

 

关键字: 钛合金;等离子焊;超声冲击;残余应力

Ultrasonic peening technical of titanium-alloy welded joint with
plasma arc welding
GUO Xiao-hui, LIU Jun, HE Gang, XU Xi-jun, JIA Xiao-fei

Luoyang Ship Material Research Institute, Luoyang 471039, China

Abstract:Aiming at the medium plate welding of the big specification vessel, the plasma arc welding technics of TA2 plate with 12 mm thickness were studied and the welding parameter effect of the joint shaping regularity was analyzed. The appropriate welding technical specifications were confirmed, the welded plate was treated by ultrasonic peening, the change of the welding residual stress was compared. The results show that the medium plate with plasma arc welding, after the welding joint was treated by ultrasonic peening, the welding residual stress can be improved.

 

Key words: titanium-alloy; plasma arc welding; ultrasonic treatment; welding residual stress

ISSN 1004-0609
CN 43-1238/TG
CODEN: ZYJXFK

ISSN 1003-6326
CN 43-1239/TG
CODEN: TNMCEW

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