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Влияние условий перестаривания на микроструктуру и механические свойства мартенситно-стареющей стали

Ф. Тарик, М. Шифа, Р. А. Балох

Аннотация


Исследованы микроструктура и механические свойства мартенситно-стареющей стали 350 после старения при 500 - 650 °C. Определены пределы текучести и прочности, энергия удара и твердость стали, объемная доля ревертированного аустенита после старения. Показана зависимость энергии удара, относительного удлинения и произведения предела прочности на относительное удлинение от доли ревертированного аустенита в стали 350.

Ключевые слова


мартенситно-стареющие стали; перестаривание; ревертированный аустенит; дуплексная сталь; выделения; maraging steels; overaging; reverted austenite; duplex steel; precipitates

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Литература


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