TIG焊电弧重熔对焊接接头性能的影响  

Effect of TIG Welding Electric-arc on Properties of Weld Joint

作　　者：曹永胜[1] 冯伟[2] 

机构地区：[1]黑龙江林业职业技术学院,黑龙江牡丹江152443 [2]甘肃工业大学,兰州730050

出　　处：《煤炭技术》2011年第8期28-29,共2页Coal Technology

摘　　要：试验研究了TIG焊电弧重熔前后焊接接头的形状与尺寸、金相组织、硬度、焊接残余应力的变化。研究结果表明:TIG焊电弧重熔后母材与焊缝之间过渡平滑,重熔区硬度变化不大,焊趾处焊接残余应力明显降低,焊接接头的综合性能得到了明显提高。Study of the TIG welding arc welding joint before and after remelting the shape and size,microstructure,hardness,welding residual stress.The results show that：TIG welding arc remelting material stepmother smooth transition between the weld,little change in hardness of remelting zone,weld toe residual stress significantly reduced,overall performance of welded joints has been significantly improved.

关 键 词：TIG焊重熔 残余应力 金相组织 硬度 

分 类 号：TG40[金属学及工艺—焊接]