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Eutectic crystallization of aluminium copper alloys (II). Influence of impurity elements

✍ Scribed by Dr. S. Yaneva; Dr. S. Budurov; N. Stoichev; S. Christova; S. Ionchev

Publisher
John Wiley and Sons
Year
1975
Tongue
English
Weight
493 KB
Volume
10
Category
Article
ISSN
0232-1300

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✦ Synopsis

Abstract

The directional crystallization of eutectic Al–Cu alloys with Fe additions under molten salts has been studied. According to Tiller's theory the specific interphase boundary energy σ~αβ~ was estimated for eutectic Al–Cu alloys with three concentrations of additive. Values of σ~αβ~ depend on Fe‐concentration. Small additions of Fe modify the eutectic structure in two directions: a) enlargement of interlamellar spacings. b) formation of rod‐like structure.

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