Creep fracture of plates with variable bending moments in the presence of an aggressive mediumстатья
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Дата последнего поиска статьи во внешних источниках: 4 декабря 2016 г.
Авторы:
Lokoshchenko A.M. ,
Fomin L.V.
Журнал:
Journal of Applied Mathematics and Mechanics (English translation of Prikladnaya Matematika i Mekhanika)
Том:
80
Номер:
2
Год издания:
2016
Издательство:
Pergamon Press Ltd.
Местоположение издательства:
United Kingdom
Первая страница:
276
Последняя страница:
284
DOI:
10.1016/j.jappmathmech.2016.06.006
Аннотация:
Abstract
The dissipated fracture of a rectangular plate with bending under conditions of a time-varying plane stress state taking account of the effect of an aggressive medium is investigated. A method for determining the time up to the fracture of such a plate when it is successively bent in different planes is proposed. Using Rabotnov's kinetic theory, the times up to fracture are compared in the case of scalar and vector damage parameters using a power creep model. The deviations of the sum of the partial times from unity are investigated in the case of piece-wise constant relations between the level of the bending moment and time. An analogy with the results of experiments on the creep strength of rods with a piecewise-constant tensile stress is shown.
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Prikl. Mat. Mekh., Vol. 80, No. 2, pp. 276–284, 2016.
© 2016 Elsevier Ltd. All rights reserved.
Добавил в систему:
Фомин Леонид Викторович