焊接热源模式对<strong>5083-H111</strong>铝合金接头性能的影响

焊接热源模式对5083-H111铝合金接头性能的影响

符纯国, 徐世伟, 杨晓益, 李萌蘖

Effect of Welding Heat Source Mode on Microstructure and Properties of Weld Joints for 5083-H111 Al-alloy

FU Chunguo, XU Shiwei, YANG Xiaoyi, LI Mengnie

表2 焊接工艺参数

Table 2 Welding process parameters

Group	Name	Heat input / J·mm^-1	Current / A	Voltage / V	Gas flow / L·min^-1	Wire feed rate / m·min^-1	Welding speed / mm·s^-1
1#	P-GMAW Ⅰ	276	130	19.0	20-25	7.5	7.5
1#	CC-GMAW Ⅰ	265	140	15.7	20-25	9.7	7.5
2#	P-GMAW Ⅱ	307	140	19.5	20-25	8.0	7.5
2#	CC-GMAW Ⅱ	318	150	16.9	20-25	9.9	7.5