Interfacial structure of steel-Al-28Pb bonding plate with semisolid rolling-casting method^①

来源期刊：中国有色金属学报(英文版)2004年第2期

论文作者：张鹏 杜云慧 刘汉武 曾大本 崔建忠 巴立民

文章页码：325 - 329

Key words：interfacial structure; Fe-Al compound; artificial neural networks

Abstract: Fe-Al compound at the interface of steel-mushy Al-28Pb bonding plate was studied quantitatively. The relationship between ratio of Fe-Al compound at interface and bonding parameters such as preheating temperature of steel plate, solid volume fraction of Al-28Pb slurry and rolling speed, was established by artificial neural networks perfectly. The results show that when the bonding parameters are 546℃for preheating temperature of steel plate, 43.5% for solid volume fraction of Al-28Pb slurry and 8.6 mm/s for rolling speed, the reasonable ratio of Fe-Al compound corresponding to the largest interfacial shear strength of bonding plate is obtained as 71.5%. This reasonable ratio of Fe-Al compound is a quantitative criterion of interfacial embrittlement, that is, when the ratio of Fe-Al compound at interface is larger than 71.5%, interfacial embrittlement will occur.