Interfacial Structure of Steel-Mushy Al-20Sn Bonding Plate  

作　　者：PengZHANG YunhuiDU HanwuLIU DabenZENG JianzhongCUI LiminBA 

机构地区：[1]DepartmentofMechanicalEngineering,BeijingJiaotongUniversity,Beijing100044,China [2]DepartmentofMechanicalEngineering,TsinghuaUniversity,Beijing100084,China [3]MetalFormingDepartment,NortheasternUniversity,Shenyang110006,China [4]AnshanAutomobileFittingsFactory,Anshan114014,China

出　　处：《Journal of Materials Science & Technology》2004年第2期193-195,共3页材料科学技术（英文版）

基　　金：This project was supported by the National Natural Science Foundation of China(No.50274047);Beijing Jiaotong Univer sity Foundation.

摘　　要：Fe-AI compound at the interface of steel-mushy AI-20Sn bonding plate was studied quantitatively. The relationship between ratio of Fe-AI compound at interface and bonding parameters (such as preheat temperature of steel plate, solid fraction of AI-20Sn slurry and rolling speed) was established by artificial neural networks perfectly. The results show that when the bonding parameters are 505℃ for preheat temperature of steel plate, 34.3% for solid fraction of AI-20Sn slurry and 10 mm/s for rolling speed, the reasonable ratio of Fe-AI compound corresponding to the largest interfacial shear strength of bonding plate is obtained. Its value is 72%. This reasonable ratio of Fe-AI compound is a quantitative criterion of interfacial embrittlement, that is, when the ratio of Fe-AI compound at interface is larger than 72%, interfacial embrittlement will occur.Fe-AI compound at the interface of steel-mushy AI-20Sn bonding plate was studied quantitatively. The relationship between ratio of Fe-AI compound at interface and bonding parameters (such as preheat temperature of steel plate, solid fraction of AI-20Sn slurry and rolling speed) was established by artificial neural networks perfectly. The results show that when the bonding parameters are 505℃ for preheat temperature of steel plate, 34.3% for solid fraction of AI-20Sn slurry and 10 mm/s for rolling speed, the reasonable ratio of Fe-AI compound corresponding to the largest interfacial shear strength of bonding plate is obtained. Its value is 72%. This reasonable ratio of Fe-AI compound is a quantitative criterion of interfacial embrittlement, that is, when the ratio of Fe-AI compound at interface is larger than 72%, interfacial embrittlement will occur.

关 键 词：Interfacial structure Fe-Al compound Artificial neural networks 

分 类 号：TG146.21[一般工业技术—材料科学与工程] TG146.14[金属学及工艺—金属材料]