Abstract
A structural theory that includes the mechanisms of intergranular crack initiation, crack multiplications and crack-enhanced matrix creep at high homologous temperatures, originally developed for polycrystalline ice, is presented and discussed in terms of available data on steels used for high-temperature applications. The model relates the macroscopic creep properties to the average microscopic characteristics that can be determined independently. It is shown that experimental results that include metallographic observations related to the embrittlement processes in both ice and steel are comparable and, in many instances, complementary. Grain size has been shown to play a major role in determining the overall creep response and damage accumulation, and thereby makes the model useful in understanding the response of heat affected zones in weldments in steels.
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© 1989 Elsevier Science Publishers Ltd
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Sinha, N.K. (1989). Ice and Steel - A Comparison of Creep and Failure. In: Cocks, A.C.F., Ponter, A.R.S. (eds) Mechanics of Creep Brittle Materials 1. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-1117-8_15
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DOI: https://doi.org/10.1007/978-94-009-1117-8_15
Publisher Name: Springer, Dordrecht
Print ISBN: 978-94-010-6994-6
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