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Механические свойства сплавов системы Cu – Ni – Sn: Обзор

Михаил Юрьевич Беломытцев

Аннотация


Проведен анализ публикаций, посвященных сплавам системы Cu – Ni – Sn. Подробно рассмотрена группа сплавов Cu – 15Ni – (8 – 9) % Sn, обладающих благоприятным сочетанием деформационно-прочностных и физических характеристик. Сплавы предназначены для изготовления деталей в разных отраслях — от устройств в мобильных средствах связи до элементов установок бурильной промышленности. Рассмотрены возможности изменения механических свойств сплавов за счет легирования, холодной прокатки, старения, изменения технологической схемы изготовления. Показано, что для сохранения пластичности сплавов Cu – 15Ni – (8 – 9) % Sn на уровне d ³ 20 % его предел текучести не должен превышать 300 – 400 МПа независимо от того, какими технологическими приемами и их последовательностью это достигается.


Ключевые слова


сплавы меди; холодная деформация; старение; рекристаллизация; твердость; растяжение; математическое моделирование

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Литература


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DOI: https://doi.org/10.30906/mitom.2026.2.41-53

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