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ASM Handbook

Alloy Phase Diagrams

Edited by
H. Okamoto
H. Okamoto
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;
M.E. Schlesinger
M.E. Schlesinger
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;
E.M. Mueller
E.M. Mueller
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ASM International
Volume
3
ISBN electronic:
978-1-62708-163-4
Publication date:
2016
Book Chapter

Eutectic Alloy Systems[1]

Published:
2016
Page range:
42 - 51
Publication history
July 07, 2015

Abstract

This article begins with a schematic illustration of a eutectic system in which the two components of the system have the same crystal structure. Eutectic systems form when alloying additions cause a lowering of the liquidus lines from both melting points of the pure elements. The article describes the aluminum-silicon eutectic system and the lead-tin eutectic system. It discusses eutectic morphologies in terms of lamellar and fibrous eutectics, regular and irregular eutectics, and the interpretation of eutectic microstructures. The article examines the solidification of a binary alloy of exactly eutectic composition. It concludes with a discussion on terminal solid solutions.

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2016. "Eutectic Alloy Systems", Alloy Phase Diagrams, H. Okamoto, M.E. Schlesinger, E.M. Mueller

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