Damage Modelling: the current state and the latest progress on the developing of creep damage constitutive equations for high Cr steels

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Abstract

This paper summarizes and presents research progress on the fundamentals of the development of creep damage constitutive equations for high Cr steels including 1) a brief summary of the characteristics of creep deformation and creep damage evolution and their dependence on the stress level and the importance of cavitation for the final fracture; 2) a critical review of the state of art of creep damage equation for high Cr steels; 3) some discussion and comments on the various approaches; 4) consideration and suggestion for future work. It emphasizes the need for better understanding the nucleation, cavity growth and coalesces and the theory for coupling method between creep cavity damage and brittle fracture and generalization.
Original languageEnglish
Title of host publication6th International ‘HIDA’ Conference
Subtitle of host publicationLife/Defect Assessment & Failures in High Temperature Plant
EditorsA. Shibli
PublisherETD Ltd, UK
Publication statusPublished - 2013
Event6th International High-temperature Defect Assessment (HIDA) Conference: Life/Defect Assessment & Failures in High Temperature Plant - Crown Plaza ANA Hotel, Glover Hill, Nagasaki, Japan
Duration: 2 Dec 20134 Dec 2013
Conference number: 6
http://www.etd-consulting.com/forthcoming-events-2/2013/12/2/6th-international-hida-conference

Conference

Conference6th International High-temperature Defect Assessment (HIDA) Conference
Abbreviated titleHIDA-6
CountryJapan
CityNagasaki
Period2/12/134/12/13
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Xu, Q., Lou, Z., & Wang, X. (2013). Damage Modelling: the current state and the latest progress on the developing of creep damage constitutive equations for high Cr steels. In A. Shibli (Ed.), 6th International ‘HIDA’ Conference: Life/Defect Assessment & Failures in High Temperature Plant ETD Ltd, UK.