Morphological features of crystal growth in the Al87Ni8Y5 alloy on rapidcooling of the melt under high pressure

Menshikova, S.G.; Shirinkina, I.G.; Brodova, I.G.; Brazhkin, V.V.; Lad'yanov, V.I.; Pushkarev, B.E.

Информация о цитировании статьи получена из Web of Science, Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 11 ноября 2019 г.

Авторы: Menshikova S.G., Shirinkina I.G., Brodova I.G., Brazhkin V.V., Lad'yanov V.I., Pushkarev B.E.
Журнал: Journal of Crystal Growth
Том: 525
Номер: 1
Год издания: 2019
Издательство: Elsevier BV
Местоположение издательства: Netherlands
Первая страница: 1
Последняя страница: 4
DOI: 10.1016/j.jcrysgro.2019.125206
Аннотация: The authors have performed a comparative study of the structures of the hypereutectic Al87Ni8Y5 alloy (hereinafter indicated at.%) obtained by rapid cooling from the liquid phase during crystallization under pressure (from 1.8 to 2.2 GPa and 7 GPa), subject to temperature changes (from 1200 to 1800 °C) of the melt,through durametry, X-ray structural analysis and optical and electron microscopy. It is shown that under all the considered conditions of crystallization and the cooling rate of the melt of 103 K/sec, there are formed crystalline phases in the alloy. Dense homogeneous structures of the alloy with dispersed primary ternary aluminides Ni and Y of variable composition (with diﬀerent contents of Ni and Y) or anomalously oversaturated α-Al-solid solution and modifed eutectic, which have high hardness, are obtained.
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Morphological features of crystal growth in the Al87Ni8Y5 alloy on rapidcooling of the melt under high pressureстатья

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