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Phase equilibria in the Au–Bi–Sn ternary system at temperatures of 80, 125, and 150 °C

  • Hsien-Ming Hsiao , Yen-Wei Chang , Chih-Ming Chen , Pei-Yu Chen , Yi-Pin Wu and Yee-Wen Yen
Published/Copyright: August 31, 2016
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International Journal of Materials Research
From the journal International Journal of Materials Research Volume 107 Issue 7

Abstract

Sn–Bi alloys form some of the common types of Pb-free solders. Au is used as one of the under bump metallization layers due to advantages such as corrosion resistance and anti-oxidation properties. Phase equilibria information plays a vital role in the development of materials technology and serves as an important tool to understand interfacial reactions at heterointerfaces. In this study, the phase equilibria in the Au–Bi–Sn ternary system were experimentally investigated at temperatures of 80, 125, and 150 °C. The results indicated that a ternary phase with a composition of Au45 – 48-Bi36 – 38-Sn14–19 (at.%) was found in the Au–Bi–Sn ternary system at these three temperatures.

Keywords: Pb-free solder; Phase equiliibria; Au–Bi–Sn ternary system; Ternary phase; Isothermal section
*Correspondence address, Prof. Yee-Wen Yen, National Taiwan University of Science and Technology, Department of Materials Science and Engineering, 43 Keelung Road, Sec. 4, Taipei 10672, Taiwan, ROC, Tel.: +886 2 27376659, Fax: +886 2 27301265, E-mail:

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Received: 2015-11-19
Accepted: 2016-02-29
Published Online: 2016-08-31
Published in Print: 2016-07-14

© 2016, Carl Hanser Verlag, München

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https://doi.org/10.3139/146.111380
Keywords for this article
Pb-free solder; Phase equiliibria; Au–Bi–Sn ternary system; Ternary phase; Isothermal section

Articles in the same Issue

  1. Contents
  2. Contents
  3. Original Contributions
  4. Interdiffusion in bcc_B2 Ni–Al–Cu alloys at 1 173 K
  5. Hydrogen storage kinetics of nanocrystalline and amorphous NdMg12-type alloy–Ni composites synthesized by mechanical milling
  6. Phase equilibria in the Au–Bi–Sn ternary system at temperatures of 80, 125, and 150 °C
  7. Microhardness of decorative gold coatings obtained from gold complex based on mercaptotriazole: Comparison with cyanide
  8. Friction and wear of diamond-like carbon film deposited on CoCrMo alloy under different lubrication
  9. Wrought aluminium–magnesium alloys subjected to SPD processing
  10. Relationships between mechanical and tribological properties of Zn-15Al-based ternary and quaternary alloys
  11. Gel-casting of porous alumina ceramics with high mechanical strength
  12. Comparing predictions from constitutive equations and artificial neural network model of compressive behavior in carbon nanotube–aluminum reinforced ZA27 composites
  13. Identification of the effective thermal conductivity of a powdered composite using a genetic algorithm
  14. Short Communications
  15. Boride coating on the surface of WC–Co-based cemented carbide
  16. People
  17. Prof. Dr. Dr. h. c. mult. Günter Petzow on the occasion of his 90th birthday
  18. DGM News
  19. DGM News
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