Phase equilibria of the Sn-Sb binary system

被引：102

作者：

Chen, Sinn-Wen ^{[1
]}

Chen, Chih-Chi ^{[1
]}

Gierlotka, Wojcieh ^{[1
,2
]}

Zi, An-Ren ^{[1
]}

Chen, Po-Yin ^{[1
]}

Wu, Hsin-Jay ^{[1
]}

机构：

[1] Natl Tsing Hua Univ, Dept Chem Engn, Hsinchu 300, Taiwan

[2] AGH Univ Sci & Technol, Non Ferrous Metals Dept, PL-30059 Krakow, Poland

来源：

JOURNAL OF ELECTRONIC MATERIALS | 2008年 / 37卷 / 07期

关键词：

Sn; Sb; DTA; CALPHAD; thermodynamics;

D O I：

10.1007/s11664-008-0464-x

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Sn-Sb alloys are important high-temperature solders. However, inconsistencies are found in the available phase diagrams, and some phase boundaries in the Sn-Sb system have not been determined. Sn-Sb alloys were prepared, equilibrated at 160 degrees C to 300 degrees C, and the equilibrium phases and their compositions were determined. The beta-SnSb phase has a very wide compositional homogeneity range, and its composition varies from Sn-47.0at.%Sb to Sn-62.8at.%Sb. There is no order-disorder transformation of the beta-SnSb phase. There are three peritectic reactions in the Sn-Sb system, L + Sb = beta-SnSb, L + beta-SnSb = Sn(3)Sb(2), and L + Sn(3)Sb(2) = Sn, and their temperatures are 424 degrees C, 323 degrees C, and 243 degrees C, respectively. Thermodynamic models of the Sn-Sb binary system were developed using the CALPHAD approach based on the experimental results of this study and the data in the literature. The calculated phase diagram and thermodynamic properties are in good agreement with the experimental determinations.

引用

页码：992 / 1002

页数：11

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