微量ScAl-Zn-Mg合金焊接接头组织和性能的影响
李召明1,2,姜海昌1(),闫德胜1,张洪亮2,戎利建1,武 飞
Effect of Minor Sc on Microstructure and Properties of Al-Zn-Mg Alloy Weld Joint
LI Zhaoming1,2,JIANG Haichang1(),YAN Desheng1,ZHANG Hongliang2,RONG Lijian1,WU Fei

图10. Al-Zn-Mg-(Sc)合金焊接接头在空气中和3.5% NaCl溶液中的断口形貌

Fig.10. Fracture surfaces of TIG weld joints of Al-Zn-Mg-(Sc) alloys failed in air (a) 0.00Sc, (b) 0.06Sc and in 3.5% NaCl solution (c) 0.11Sc, (d) 0.23Sc