Study of Zn6Al6Ag Alloy Application in Ultrasonic Soldering of Al2O3-(Al/Al2O3) Joints

被引：8
作者：
Kolenak, Roman [1 ]
Kostolny, Igor [1 ]
Drapala, Jaromir [2 ]
Babincova, Paulina [1 ]
Pasak, Matej [1 ]
机构：
[1] Slovak Univ Technol Bratislava, Fac Mat Sci & Technol Trnava, Jana Bottu 2781-25, Trnava 91724, Slovakia
[2] FMT Fac Mat Sci & Technol, 17 Listopadu 15, Ostrava 70833, Poruba, Czech Republic
来源：
METALS | 2020年 / 10卷 / 03期
关键词：
ultrasonic soldering; Zn solder; Al2O3; particles; shear strength; boundary; PB-FREE SOLDER; MECHANICAL-PROPERTIES; MICROSTRUCTURE EVOLUTION; COMPOSITE; BEHAVIOR; TENSILE; METALS;
D O I：
10.3390/met10030343
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The aim of this research is to characterize the soldering alloy Zn6Al6Ag, and to study the ultrasonic soldering of an Al2O3/metal-ceramic composite (Al/Al2O3). Zn6Al6Ag solder presents a quasi-eutectic structure with a melting point around 425 degrees C. The solder microstructure consists of a (Zn) + (Al) matrix, reinforced with a silver AgZn3 phase. A bond with the metal-ceramic composite was formed due to the dissolution of Al in the liquid Zn solder. The Al2O3 particles were put into motion, and a new composite was formed on the boundary. The Zn6Al6Ag solder also wetted the surface of the Al2O3 ceramic. A decisive effect on bond formation was caused by zinc and aluminum, whose oxides were combined with the oxides of ceramic material during in-air soldering. An adhesive bond was formed. The average joint shear strength of Al2O3/metal-ceramic composite (Al/Al2O3) was found to be 23 MPa.
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页数：17
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