TY - JOUR
T1 - A comparative study of pulsed Nd
T2 - YAG laser welding and TIG welding of thin Ti6Al4V titanium alloy plate
AU - Gao, Xiao Long
AU - Zhang, Lin Jie
AU - Liu, Jing
AU - Zhang, Jian Xun
PY - 2013/1/1
Y1 - 2013/1/1
N2 - This paper reports on a study aiming at comparing properties of the Ti6Al4V titanium alloy joints between pulsed Nd:YAG laser welding and traditional fusion welding. To achieve the research purpose, Ti6Al4V titanium alloy plates with a thickness of 0.8. mm were welded using pulsed Nd:YAG laser beam welding (LBW) and gas tungsten arc welding (TIG), respectively. Residual distortions, weld geometry, microstructure and mechanical properties of the joints produced with LBW and TIG welding were compared. During the tensile test, with the aid of a high speed infrared camera, evolution of the plastic strain within tensile specimens corresponding to LBW and TIG welding were recorded and analyzed. Compared with the TIG, the welded joint by LBW has the characters of small overall residual distortion, fine microstructure, narrow heat-affected zone (HAZ), high Vickers hardness. LBW welding method can produce joints with higher strength and ductility. It can be concluded that Pulsed Nd:YAG laser welding is much more suitable for welding the thin Ti6Al4V titanium alloy plate than TIG welding.
AB - This paper reports on a study aiming at comparing properties of the Ti6Al4V titanium alloy joints between pulsed Nd:YAG laser welding and traditional fusion welding. To achieve the research purpose, Ti6Al4V titanium alloy plates with a thickness of 0.8. mm were welded using pulsed Nd:YAG laser beam welding (LBW) and gas tungsten arc welding (TIG), respectively. Residual distortions, weld geometry, microstructure and mechanical properties of the joints produced with LBW and TIG welding were compared. During the tensile test, with the aid of a high speed infrared camera, evolution of the plastic strain within tensile specimens corresponding to LBW and TIG welding were recorded and analyzed. Compared with the TIG, the welded joint by LBW has the characters of small overall residual distortion, fine microstructure, narrow heat-affected zone (HAZ), high Vickers hardness. LBW welding method can produce joints with higher strength and ductility. It can be concluded that Pulsed Nd:YAG laser welding is much more suitable for welding the thin Ti6Al4V titanium alloy plate than TIG welding.
KW - Joint properties
KW - Pulsed Nd:YAG laser welding
KW - TIG welding
KW - Ti6Al4V titanium alloy
UR - https://www.scopus.com/pages/publications/84867742114
U2 - 10.1016/j.msea.2012.06.016
DO - 10.1016/j.msea.2012.06.016
M3 - 文章
AN - SCOPUS:84867742114
SN - 0921-5093
VL - 559
SP - 14
EP - 21
JO - Materials Science and Engineering: A
JF - Materials Science and Engineering: A
ER -