电加工与模具
電加工與模具
전가공여모구
Electromachining & Mould
2015年
5期
52-53,57
,共3页
房冬青%严振宇%黄超%王磊%卢东宁
房鼕青%嚴振宇%黃超%王磊%盧東寧
방동청%엄진우%황초%왕뢰%로동저
铝合金%激光电弧复合焊%气孔特性
鋁閤金%激光電弧複閤銲%氣孔特性
려합금%격광전호복합한%기공특성
aluminum alloy%laser arc hybrid welding%pore characteristics
针对5056铝合金激光-TIG电弧复合焊接焊缝中的气孔特性进行了研究。利用X射线探伤、金相剖切等手段对气孔的形态及分布进行分析,发现在5056铝合金激光-TIG电弧复合焊缝中的气孔主要可分为两类:一类为熔池中未排除气体形成的圆形气孔,另一类为氧化膜及小孔闭合形成的不规则气孔。
針對5056鋁閤金激光-TIG電弧複閤銲接銲縫中的氣孔特性進行瞭研究。利用X射線探傷、金相剖切等手段對氣孔的形態及分佈進行分析,髮現在5056鋁閤金激光-TIG電弧複閤銲縫中的氣孔主要可分為兩類:一類為鎔池中未排除氣體形成的圓形氣孔,另一類為氧化膜及小孔閉閤形成的不規則氣孔。
침대5056려합금격광-TIG전호복합한접한봉중적기공특성진행료연구。이용X사선탐상、금상부절등수단대기공적형태급분포진행분석,발현재5056려합금격광-TIG전호복합한봉중적기공주요가분위량류:일류위용지중미배제기체형성적원형기공,령일류위양화막급소공폐합형성적불규칙기공。
The pore characteristics of welded by 5056 aluminum alloy joints were studied. The morphology and distribution of the pores were analyzed by X ray flaw detection and metallographic analysis. There are two kinds of pore in the joint. One is spherical pore formed by gas in the welding pool,the other one is irregular pore formed by instable key-hole or oxide films.