NDLI: Depiction of the elastic anisotropy of AuSn4 and AuSn2 from first-principles calculations

Content Provider	IEEE Xplore Digital Library
Author	Rong An Chunqing Wang Yanhong Tian
Copyright Year	2009
Description	Author affiliation: School of Chemical Engineering and Technology Harbin Institute of Technology, Harbin 150001, China (Rong An) \|\| Department of Electronics Packaging Technology, School of Materials Science and Engineering Harbin Institute of Technology, Harbin 150001, China (Chunqing Wang; Yanhong Tian)
Abstract	As the solder joints become increasingly small and contain only a few grains, their mechanical properties cannot be determined from conventional mechanical tests as with bulk samples, and there may be a considerable variation in mechanical behavior from joint to joint because of the anisotropy of mechanical properties. In this paper, elastic constants of single-crystal AuSn4 and AuSn2 were preliminarily determined through first-principles calculations to characterize their polycrystalline elastic behavior and elastic anisotropy. The ideal bulk, shear, and Young's moduli, as well as Poisson's ratios were determined using the Voigt-Reuss-Hill method. These compounds exhibited distinct anisotropy in Young's modulus, which may be partially responsible for the discrepancy in the experimental results.
Starting Page	611
Ending Page	616
File Size	1232387
Page Count	6
File Format	PDF
ISBN	9781424446582
DOI	10.1109/ICEPT.2009.5270675
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-08-10
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Anisotropic magnetoresistance Soldering Intermetallic Mechanical factors Materials science and technology Chemical technology Crystallization Gold Electronics packaging Electronic equipment testing
Content Type	Text
Resource Type	Article

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