Abstract
In this chapter the processes of deformation and fracture that occur in metallic materials at elevated temperatures are presented. The nature of creep is described and laws introduced for characterizing the shape of the creep curve. The influence of microstructure, stress and temperature on the modes of deformation and failure are considered and the role of creep parameters in correlating and extrapolating creep data for design purposes discussed. Procedures are explained for dealing with variable stress and temperature conditions in terms of mechanical equations of state. Methods of applying equivalent stress criteria to complex stress loading situations are described. In addition, damage mechanics concepts are introduced for coping with progressive material deterioration. Finally, cumulative damage models are presented for describing creep—fatigue interaction.
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© 1994 Springer Science+Business Media Dordrecht
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Webster, G.A., Ainsworth, R.A. (1994). Processes of deformation and fracture at high temperatures. In: High Temperature Component Life Assessment. Springer, Dordrecht. https://doi.org/10.1007/978-94-017-1771-7_2
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DOI: https://doi.org/10.1007/978-94-017-1771-7_2
Publisher Name: Springer, Dordrecht
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