Study of Direct Bonding Ceramics with Metal Using Sn2La Solder

被引：14

作者：

Kolenak, Roman ^{[1
]}

Kostolny, Igor ^{[1
]}

机构：

[1] Slovak Univ Technol Bratislava, Fac Mat Sci & Technol Trnava, Trnava 91724, Slovakia

来源：

ADVANCES IN MATERIALS SCIENCE AND ENGINEERING | 2015年 / 2015卷

关键词：

MECHANICAL-PROPERTIES; SHEAR-STRENGTH; CU; MICROSTRUCTURE; JOINTS; TI; SN3.5AG4TI(CE; WETTABILITY; INTERFACE; COMPOSITE;

D O I：

10.1155/2015/269167

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The aim of this research was to study the direct bonding of ceramic materials, mainly Al2O3 and selected metals, with primary attention given to Cu substrate. Soldering was performed with Sn-based solder alloyed with 2% La. We found that the bond formation between Sn2La solder and Al2O3 occurs at the activation of lanthanum phases in solder by ultrasound. Lanthanum in the solder becomes oxidised in air during the soldering process. However, due to ultrasonic activation, the lanthanum particles are distributed to the boundary with ceramic material. A uniformly thin layer containing La, 1.5 mu m in thickness, is formed on the boundary with Al2O3 material, ensuring both wetting and joint formation. The shear strength with Al2O3 ceramics is 7.5MPa. Increased strength to 13.5 MPa was observed with SiC ceramics.

引用

页数：13

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