激光电弧复合焊接的研究进展.pdfVIP

35 11 Vol. 35, No. 11 2008 11 CHI NESE J OURNAL OF LASERS Nov ember , 2008 : 0258-7025(2008) 11-1680-06 激光- 电弧复合焊接的研究进展 肖荣诗 吴世凯 ( , , 100124) -, -, , , - ; ; ; T G456.7 A doi: 10. 3788/ CJ 1680 Progress on Laser-Arc Hybrid Welding Xiao Ro gshi Wu Shikai (I nst it ute of L aser E ng ineering , B eij ing Univ er sity of Tech nolog y , B e ij ing 100124, Ch ina) Abstract Laser-arc hybrid weldi g is a promisi g tech ology which ca be widely used i i dustry a d it att racts atte tio of the researchers w orldwide. Combi i g tw o heat sources w it h differe t physical properties a d e ergy tra smissio mecha isms together, laser-arc hybrid weldi g possesses the composit e adva tages of laser weldi g a d arc weldi g . Some aspects o laser-arc hybrid weldi g such as the laser-arc i teract io , droplet t ra sfer characteristics, dy amic behaviors of the keyhole a d the w eld pool, hybrid w eldi g processes a d their applicat io s are reviewed. Key words laser tech ology; hybrid weldi g; fou datio al problems; i dust ry applicat io s 1 , , , , 20 80 , W. M . Stee [ 1] , - 2 [ 2~ 8] 2. 1 - -, , , , , , O. [ 5, 9] , , Moriaki YAG , , , , , -(T IG) , - Stee [ 1] MIG/ MA G, -- 1 kW CO2 100 A T IG