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《Transactions of The China Welding Institution》 2005-05
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Ending progress in vertical-up variant polarity plasma arc welding with keyhole

GUO Li-jie~(1,2),YANG Chun-li~3,LIN San-bao~3,SHEN Hong-yuan~3(1.School of Materials Science and Engineering,Shanghai Jiaotong University,Shanghai 200030,China;2.Shanghai Aerospace Equipment Manufacturing Corp.,Shanghai 200245,China;3.National Key Laboratory of Advanced Welding Production Technology,Harbin Institute of Technology,Harbin 150001,China)  
The regulation of ending progress in variant polarity plasma arc welding with keyhole was studied.The welding current,welding speed and the plasma gas flow rate were the most important parameters in the ending stage.The arc crater could be successfully filled by increasing wire feed speed,reducing ion gas flow rate as well as welding speed.The welding parameters in ending stage had their best ranges for material with different thickness.The weld mechanical properties of the joint at the end of the weld were not less than that at the middle of the weld.
【CateGory Index】: TG456.2
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【Co-citations】
Chinese Journal Full-text Database 10 Hits
1 LIANG Ning,HUANG An-hai,LI Yuan-sheng (Electronics 38th Research Institute of Ministry of Information Industry Ministry,Hefei 230031,China);Research of No-reshape Welding of Microwave Component[J];ELECTRONICS PROCESS TECHNOLOGY;2000-03
2 Wang Huifang Yu Shuyan(Central Iron and Steel Research Institute);DIFFUSION JOINING OF METAL MATERIALS BY HIP[J];Powder Metallurgy Technology;1990-01
3 NA Risong1, Huang Minghui2(1. Sanxia University, Yichang 443002, China; 2. China Yangtze Three Gorges Project Corporation, Yichang 443002, China)Abstract: Zinc immersion was used to modify the surface of LY11,then diffusion bonding process was conducted in the air condition. It was shown that the placement of die led to different results and modifying was the essential condition for LY11 to bond in the air, and the diffusion bonding mechanism was that atoms diffused to cavities and other defects, cavities would be surrounded in the growing crystals and eliminated by volume diffusion. ;Diffusion Bonding of Modified Aluminum Alloy LY11[J];Materials For Mechanical Engineering;2002-11
4 Ma Li, Hu Shengsun, Yin Fengliang, Song DongfengTianjin University;PRESENT STATE AND PERSPECTIVES ON THE SIMULATION OF THE PLASMA ARC WELDING PROCESS[J];Welding & Joining;2005-08
5 CHEN Ke-xuan, LI He-qi, LI Chun-xu (Lanzhou University of Technology, Lanzhou 730050,China);Progress in variable polarity plasma arc welding[J];Transactions of The China Welding Institution;2004-01
6 WANG Huai-gang,WU Chuan-song, ZHANG Ming-xian(Shandong University, Jinan 250061, China).;Finite element method analysis of temperature field in keyhole plasma arc welding[J];Transactions of The China Welding Institution;2005-07
7 SONG Dong-feng, HU Sheng-sun, HAN Jian, ZHU Yu-xin (Material Institute, Tianjin University, Tianjin 300072,China);Penetration control system for keyhole pulse plasma arc welding based on reflecting plasma-flame voltage[J];Transactions of the China Welding Institution;2006-06
8 JIA Chuanbao1,WU Chuansong1,ZHANG Yuming2(1.Institute for Materials Joining,Shandong University,Jinan 250061,China;2.Center for Manufacturing,University of Kentucky,Lexington KY 40506,USA);Sensing and control on the keyhole condition during controlled pulse key-holing plasma arc welding[J];Transactions of the China Welding Institution;2009-02
9 Sun Qizheng, Wang Kai (Gui Yang Electrical Machining Plant of China National Aviation Industry Corporation, Guiyang, Guizhou 550009);A Discussion on Contact Welding Mechanism[J];Aviation Precision Manufacturing Technology;2001-04
10 Jia Baohui, Wang Qiuyi(1.Civil Aviation University of China, Tianjin, 300300;2.Air China,Tianjin Branch,Tianjin 300300);Study on Difference between Top And Back Temperature Field in Arc Welding in Aeronautical Manufacture Engineering[J];Aviation Precision Manufacturing Technology;2003-01
【Secondary Citations】
Chinese Journal Full-text Database 1 Hits
1 Assistant Engineer Kang Jian,Engineer Wu Yongtai (Chengdu Electrical Welding Machine Research Institute);RESEARCH ON THE MAGNET CONSTRICTED VACUUM PLASMA ARC WELDING PROCESS[J];Transactions of The China Welding Institution;1987-01
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