硅对铝铅轴承合金带与热浸铝钢板热轧复合界面强度的影响  

EFFECT OF Si ON THE INTERFACIAL BONDING STRENGTH OF Al- Pb ALL OY STRIPSAND HOT DIP AL UMINIZED STEEL SHEETSBY HOT ROL LING

作　　者：刘勇兵[1] 安健[1] 陆有[1] 孙大仁[1] 杨波[1] 

机构地区：[1]吉林大学南岭校区材料科学与工程学院,长春130025

出　　处：《复合材料学报》2002年第1期22-27,共6页Acta Materiae Compositae Sinica

基　　金：教育部博士点基金项目 ( 19990 185 13)

摘　　要：将铝铅合金带分别与热浸纯 Al、Al- 2 % Si合金的钢板进行热轧复合。研究了元素硅、热浸时间、金属间化合物层厚度及缺口界面分数对结合强度的影响。结果表明 ,在复合过程中产生两种不同界面 ,铝铅合金与热浸铝钢板通过缺口界面和化合物界面而结合。总的结合强度主要取决于缺口界面强度的大小与分数的高低 ,而且与后者之间呈线性关系。硅对总结合强度的影响体现在 :虽然对化合物界面强度的影响较小 ,但显著提高缺口界面强度 ,因而使总结合强度明显提高。在给定实验条件下 ,使热浸纯 Al时的缺口界面强度从约为化合物界面强度的 4倍提高到热浸 Al- 2 % Si时的近Bonding of Al-Pb alloy strips and hot dipped Al or Al-2%Si steel sheets was carried out by hot rolling. The effects of addition of 2%Si to the bath, the dipping time, the thickness of the intermetallic layers and the fraction of blank interfaces on bonding strength are investigated. In all cases, two different kinds of interfaces are produced. Hot dip aluminized steel sheets and Al-Pb alloy strips are bonded through a mechanism of blank and block interface bonding. The total bonding strength mainly depends on that of blank interface and the fraction of blank interface, and there is a linear relationship between the bonding strength and the fraction of blank interface. The effect of Si on the total bonding strength tells the fact that though it has little effect on the bonding strength of block interface, it enormously increases the bonding strength of blank interface so that the total bonding strength turns much higher evidently. Under the given experimental condition, it increases the bonding strength of blank interfaces six times as high as that of block interfaces for hot dipped Al-2%Si specimens in contrast with four times as high as that for hot dipped Al specimens.

关 键 词：金属间化合物 结合强度 缺口界面 化合物界面 铝铅轴承合金带 硅 热 轧 热浸铝钢板 复合 界面强度 

分 类 号：TG335.11[金属学及工艺—金属压力加工] TB331[一般工业技术—材料科学与工程]