微量Sc对Al-Zn-Mg合金焊接接头组织和性能的影响

李召明,姜海昌,闫德胜,张洪亮,戎利建,武　飞

Effect of Minor Sc on Microstructure and Properties of Al-Zn-Mg Alloy Weld Joint

Zhaoming LI,Haichang JIANG,Desheng YAN,Hongliang ZHANG,Lijian RONG,Fei WU

表1 ER5356焊丝的成分

Table 1 Composition of ER5356 welding wire (mass fraction, %)

Si Fe Cu Mn Mg Cr Zn Ti Al ≤0.25 ≤0.40 ≤0.10 0.05~0.20 4.50~5.50 0.05~0.20 ≤0.10 0.06~0.20 Bal.