Мікроструктурозалежна модель втомного руйнування — новітній підхід у прогнозуванні опору втомі конструкційних сплавів

DOI: https://doi.org/10.15407/akademperiodyka.542.222

Презентована праця присвячена розробленню моделі втомного руйнування, яка дає можливість розраховувати кількість циклів навантаження до ініціювання і під час росту втомної тріщини за даними про характеристики статичної міцності і мікроструктури матеріалу. У першому розділі розглянуто сучасні уявлення про механізми зародження та росту втомної тріщини і проаналізовано сучасні моделі для прогнозування втомної довговічності. У другому розділі наведено дані про матеріали для досліджень, описано методики та результати випробувань зразків. Третій розділ присвячено розробці моделі для розрахунку втомної довговічності зразків із концентратором напружень під час циклічного навантаження з постійним і змінним розмахом напружень циклу. У четвертому розділі наведено приклади застосування моделі для зразків із різних конструкційних сплавів.

Література:

Розділ 1 

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Розділ 2

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