感应加热连续退火对铜包铝复合线材再结晶组织和界面金属间化合物的影响

姜雁斌, 刘新华, 王春阳, 莫永达, 谢建新

INFLUENCE OF INDUCTION HEATING CONTINUOUS ANNEALING ON RECRYSTALLIZATION AND INTER- FACIAL INTERMETALLIC COMPOUND OF COPPER-CLAD ALUMINUM WIRE

JIANG Yanbin, LIU Xinhua, WANG Chunyang, MO Yongda, XIE Jianxin

表1 感应加热退火后铜包铝复合线材界面金属间化合物成分和平均厚度

Temperature / ℃ Intermetallic compound Atomic fraction of Cu / % Atomic fraction of Al / % Thickness / μm 360 CuAl2 32.6 67.4 0.20 390 CuAl2 32.2 67.8 0.40 430 CuAl2 34.8 65.2 0.52 Cu9Al4 69.7 30.3 0.48 470 CuAl2 29.3 70.7 0.64 Cu9Al4 63.1 36.9 0.58