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Влияние легирования никелем и механического перемешивания на микроструктуру и механические свойства сплава Al - 10 % Si - 5 % Cu

Чжан Сайнань, Пань Ливэнь, Хуан Даньлинь, Дун Цян, Ху Чжилю

Аннотация


Исследовано влияние добавок никеля на микроструктуру и предел прочности при растяжении сплава Al - 10 % Si - 5 % Cu в литом и термически обработанном состояниях. Определено содержание никеля для получения максимальной прочности сплава. Выявлены условия, при которых не образуется структура с морфологией рыбьего скелета, оказывающая отрицательное влияние на механические свойства. Показано положительное влияние на прочность и структуру механического перемешивания расплава перед кристаллизацией.

Ключевые слова


сплав Al - Si - Cu; легирование никелем; механическое перемешивание расплава; микроструктура; механические свойства при растяжении; Al - Si - Cu alloy; nickel alloying; mechanical stirring of melt; microstructure; tensile mechanical properties

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Литература


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DOI: https://doi.org/10.30906/mitom.2019.12.25-33

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