期刊
RUSSIAN METALLURGY
卷 -, 期 2, 页码 118-121出版社
PLEIADES PUBLISHING INC
DOI: 10.1134/S0036029511020108
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资金
- DAAD [RNP 2.2.2.3.10160]
- Russian Foundation for Basic Research [06-03-90568, 07-03-96116, 07-02-96045]
The dynamic viscosities of the melts of pure tin and eutectic Sn-Ag, Sn-Cu, and Sn-Ag-Cu alloys are studied in heating followed by cooling, and the maximum heating temperature was 1200 degrees C. An irreversible decrease in the viscosity is found in the temperature range 800-1000 degrees C in the polytherms of all melts. This finding is related to the loss of a local order in a melt and can be used to develop temperature regimes for the production of lead-free solders.
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