Studies on Bismuth Alloys. Liquidus Curves of the Bi-Cu, Bi-Ag, and Bi-Au Systems
- University of California, Livermore, CA (United States). Lawrence Radiation Laboratory
The liquidus curves of the Bi-Cu, Bi-Ag, and Bi-Au systems were re-determined by means of a sampling method. The Bi-Ag curve, was somewhat shifted from the previously determined location. The eutectic was found at 262.5 ± 0.2°C at 4.95 ± 0.05 atom % silver (2.62 wt %). The Bi-Cu liquidus agreed fairly well with Kleppa's data over the range investigated by him. The discrepancies in the literature in regard to higher copper concentrations were resolved. The eutectic was determined to be at 270.6 ± 0.1°C at 0.46 atom % copper (0.14 wt %). The Bi-Au liquidus did not agree well with the few experimental data available. Below the peritectic temperature, a completely new liquidus curve was established. The peritectic was found to be at 371 ± 2⁰ C by means of differential thermal analysis. The composition is 23.1 atom % gold (24.1 wt %). The eutectic is at 13.4 ± 0.2 atom % gold (14.1 wt %) at 241.5 ± 0.5⁰C.
- Research Organization:
- Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- W-7405-ENG-48
- OSTI ID:
- 1122809
- Report Number(s):
- UCRL--6452PT1
- Country of Publication:
- United States
- Language:
- English
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