Thermal and tensile properties of Bi-Ag alloys

Thermal and tensile properties of Bi-Ag alloys

This study investigated the microstructure and properties of Bi-Ag alloys, a novel Pb-free solder for high-temperature applications. The results show that Bi-Ag alloys exhibited a nonequilibrium solidification feature and a considerably large undercooling. An increase in the Ag content effectively r...

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Veröffentlicht in:Metallurgical and materials transactions. A, Physical metallurgy and materials science Physical metallurgy and materials science, 2007-06, Vol.38 (6), p.1371-1375
Hauptverfasser: SONG, Jenn-Ming, CHUANG, Hsin-Yi, WEN, Tien-Xiang
Format: Artikel
Sprache:eng
Schlagworte:
Aluminum alloys
Applied sciences
Crack propagation
Differential scanning calorimetry
Electronics industry
Elongation
Exact sciences and technology
High temperature
Lead free
Mechanical properties
Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology
Metallurgy
Metals. Metallurgy
Microstructure
Silver base alloys
Solidification
Strain rate
Supercooling
Tensile properties
Tensile strength
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Zusammenfassung:This study investigated the microstructure and properties of Bi-Ag alloys, a novel Pb-free solder for high-temperature applications. The results show that Bi-Ag alloys exhibited a nonequilibrium solidification feature and a considerably large undercooling. An increase in the Ag content effectively raised the tensile strength. However, the elongation in a decreasing order was hypereutectic Bi-11Ag, pure Bi, and then eutectic Bi-2.5Ag. The fracture mode was significantly affected by microstructural characteristics and the strain rate. [PUBLICATION ABSTRACT]
ISSN:1073-5623
1543-1940
DOI:10.1007/s11661-007-9138-1