دانلود مقاله ISI انگلیسی شماره 137980
کد مقاله سال انتشار مقاله انگلیسی ترجمه فارسی تعداد کلمات
137980 2018 24 صفحه PDF سفارش دهید 6509 کلمه
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عنوان انگلیسی
Development of a new simple energy method for life prediction in multiaxial fatigue
منبع

Publisher : Elsevier - Science Direct (الزویر - ساینس دایرکت)

Journal : International Journal of Fatigue, Volume 112, July 2018, Pages 1-8

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چکیده انگلیسی

In this paper, a new, simple Damage Energy Criterium for life prediction in multiaxial fatigue, developed in the frequency domain, is described and verified. The first aim of this paper is to demonstrate that through a correct use of the energetic approach, developed in the frequency domain, it is possible to achieve an accurate result. The proposed theoretical procedure finds its conceptual foundation in the fact that the energy criterion cannot be directly applied to usual stress state in the time domain; however, with a simple passage it is possible to accurately reduce a multiaxial stress state to an equivalent uniaxial one. For this reason, this work will be characterized by analytical content and by substantial mathematical demonstrations. At the end, in order to verify the method and consolidate the general procedure, some experimental tests are used to corroborate the validity of this criterion. This proposal shows drastically simpler technique than any other proposed in current literature.

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