Dynamic viscosities of pure tin and Sn-Ag, Sn-Cu, and Sn-Ag-Cu eutectic melts

Dynamic viscosities of pure tin and Sn-Ag, Sn-Cu, and Sn-Ag-Cu eutectic melts

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°C. An irreversible decrease in the viscosity is found in the temperature range 800–1000°C in the polytherms of all...

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Bibliographic Details
Published in:Russian metallurgy Metally Vol. 2011; no. 2; pp. 118 - 121
Main Authors: Rozhitsina, E. V., Gruner, S., Kaban, I., Hoyer, W., Sidorov, V. E., Popel’, P. S.
Format: Journal Article
Language:English
Published: Dordrecht SP MAIK Nauka/Interperiodica 01-02-2011
Springer Nature B.V
Subjects:
Chemistry and Materials Science
Dynamic tests
Dynamics
Eutectic temperature
Heating
Materials Science
Melts
Metallic Materials
Tin
Tin base alloys
Viscosity
Anomalous Change
Dynamic Viscosity
RUSSIAN Metallurgy
Short Range Order
Lead Free Solder
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Summary: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°C. An irreversible decrease in the viscosity is found in the temperature range 800–1000°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.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0036-0295
1555-6255
1531-8648
DOI:10.1134/S0036029511020108