Effects of Weaving Laser on Weld Microstructure and Crack for Al 6k21-T4 Alloy
B.H.Kim 1);N.H.Kang 1);W.T.Oh 2);C.H.Kim 3);and J.H.Kim 3);Y.S.Kim 4) and Y.H.Park 1) 1) Department of Materials Science and Engineering;Pusan National University;San30;Jangjeon-dong;Geumjeong-gu;Busan 609-735;Korea 2) Department of Materials and Components Engineering;Dong-Eui University;Busan 614-714;Korea 3) Advanced Joining Technology Team;KITECH;7-47;Songdo-dong;Yeonsu-gu;Incheon 406-840;Korea 4) Division for Dongnam Area Technology Service;KITECH;Jisa-dong;Ganseo-gu;Busan 618-230;Korea
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