Effect of intermetallic compounds on interfacial bonding of Al/Fe composites

被引：18

作者：

Zhang, Xiaojun ^{[1
]}

Gao, Kunyuan ^{[1
]}

Wang, Zhen ^{[1
]}

Hu, Xiuhua ^{[1
]}

Liu, Hui ^{[1
]}

Nie, Zuoren ^{[1
]}

机构：

[1] Beijing Univ Technol, Fac Mat & Mfg, Beijing 100124, Peoples R China

来源：

MATERIALS LETTERS | 2023年 / 333卷

关键词：

Al; Fe composites; Intermetallic compounds; Interface bonding strength; Crack; PHASES; GROWTH; STEEL; FE;

D O I：

10.1016/j.matlet.2022.133597

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The effects of Pure Al/Pure Fe and Al + 0.88Si/Fe + 1.48Si intermetallics on the interfacial bonding properties of Al/Fe composites were studied. The results showed that: When there was no Si addition, IMC was just formed, when the thickness was between 200 nm and 500 nm, there was no crack in the interface and the bonding strength was high. With the increase of IMC thickness, discontinuous compounds began to form on the interface, crack appeared on the Al side of the interface, the bonding strength decreased slightly. With the extension of heat treatment time, IMC became continuous distribution, the crack length and width increased obviously, the interfacial bonding strength decreased significantly. After the addition of Si, the IMC was mainly discontinuous, and the interface did not form crack. Under the similar IMC thickness, the interface bonding strength was much higher than that of the composites without Si.

引用

页数：3

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