New creep law

Authors: Montes, J M¹; Cuevas, F G²; Cintas, J¹

Source: Materials Science and Technology, Volume 28, Number 3, March 2012 , pp. 377-379(3)

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Abstract:

In the present paper, a new creep law describing the high temperature strain rate of materials, which is applicable to both high and low values of stresses, is proposed. In a similar way to the known hyperbolic sine law, the proposed equation guarantees a potential behaviour for low stress values (in accordance to the power law of creep) and a pure exponential behaviour for high stress values, according to the power breakdown law of creep. The differences and possible advantages of the proposed equation are analysed in comparison with the hyperbolic sine law.

Keywords: Simulation and modeling; Simulation and modelling; Creep; Metal and alloys

Document Type: Original Article

DOI: http://dx.doi.org/10.1179/1743284711Y.0000000029

Affiliations: 1: Universidad de Sevilla Camino de los Descubrimientos, Sevilla 41092, Spain 2: Universidad de Huelva Campus La R�bida, Carretera Palos s/n, Palos de la Frontera 21819, Spain

Publication date: 2012-03-01

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