ISSN (print) 1995-2732
ISSN (online) 2412-9003

 

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Аннотация

На основе электрического взрыва проводников разработан метод высокоскоростной деформации материалов для исследований динамической прочности при ударных нагрузках микросекундной и субмикросекундной длительности. Проведены экспериментальные исследования динамических характеристик объемного металлического стекла на основе титана и циркония при ударных нагрузках субмикросекундной длительности (~0.5–0.7 мкс) в диапазоне давления до 12 ГПа. Для этих аморфных сплавов получены значения предела упругости Гюгонио и предела прочности на растрескивание. Определены параметры ударной адиабаты Гюгонио в пространстве Ush – up. В результате анализа микроструктуры сохраненных образцов выявлены области рекристаллизации.

Ключевые слова

Объемное металлическое стекло, ударное нагружение, электрический взрыв проводников, динамическая прочность, предел упругости Гюгонио, предел прочности на растрескивание.

 

Атрошенко С.А. Институт проблем машиноведения РАН, Санкт-Петербург, Россия

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