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Контроль термической обработки цементуемой стали 18CrNiMo7-6 методом определения глубины проникновения вихревых токов

Лара Вивиан Фрике, Себастьян Бартон, Ханс Юрген Майер, Дэвид Заремба

Аннотация


Определены относительная магнитная проницаемость и электрическое сопротивление в интервале температур от комнатной до 800 °C стали 18CrNiMo7-6 с разной структурой: мартенситной, бейнитной и ферритно-перлитной. Проанализировано изменение магнитных свойств стали в зависимости от температуры и микроструктуры и их влияние на глубину проникновения вихревых токов.

Ключевые слова


structure; depth of penetration of eddy currents; heat treatment; eddy current method of nondestructive inspection; magnetic permeability

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Литература


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DOI: https://doi.org/10.30906/mitom.2020.11.60-67

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