The relative significance of internal damage mechanisms on the overall creep damage and ultimate failure of P91 steel

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

This paper reports research on the study of the relative significance of various internal creep damage mechanisms on the overall creep damage and lifetime of P91 steel. The study is essentially parametric investigation based on the individual internal creep damage mechanisms and phenomenological modelling of creep cavity damage. The simulated results do show the importance of the cavity damage among all the creep damage mechanisms. However, more importantly, it also points out the deficiency in the latest approach of phenomenological approach of modelling cavity damage over a wider stress range, and addresses the necessity of considering and incorporating the micromechanics/mechanism of nucleation,
growth, coalescence into the creep damage constitutive modelling work. This paper contributes to the knowledge and method for creep damage mechanics.
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
Internet address

Fingerprint Dive into the research topics of 'The relative significance of internal damage mechanisms on the overall creep damage and ultimate failure of P91 steel'. Together they form a unique fingerprint.

  • Cite this

    Yang, X., Xu, Q., & Lou, Z. (2013). The relative significance of internal damage mechanisms on the overall creep damage and ultimate failure of P91 steel. In A. Shibli (Ed.), 6th International ‘HIDA’ Conference: Life/Defect Assessment & Failures in High Temperature Plant [Poster Paper 5] ETD Ltd, UK. http://eprints.hud.ac.uk/id/eprint/21920/