Abstract
The model-based θ Projection Concept offers materials constitutive relationships which allow data obtained from short-term high-precision constant-stress creep curves to be extrapolated to predict long-term creep properties with impressive accuracy. The practical aspects of this approach to creep data prediction are discussed for creep brittle and creep ductile materials, with special attention focused on microstructurally-unstable alloys. The factors affecting trends in creep ductility for a variety of materials are then considered in relation to long-term creep failure prediction using the θ methodology.
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© 1991 Elsevier Science Publishers Ltd
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Wilshire, B. (1991). Microscopic Models and Macroscopic Constitutive Laws for High Temperature Creep and Creep Fracture of Metallic and Ceramic Materials. In: Cocks, A.C.F., Ponter, A.R.S. (eds) Mechanics of Creep Brittle Materials 2. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-3688-4_10
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DOI: https://doi.org/10.1007/978-94-011-3688-4_10
Publisher Name: Springer, Dordrecht
Print ISBN: 978-1-85166-701-7
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