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The development of advanced creep constitutive equations for high chromium steel P91 at low stress range

An, Lili, Xu, Qiang and Lu, Zhongyu (2013) The development of advanced creep constitutive equations for high chromium steel P91 at low stress range. In: 6th International “HIDA” Conference on Life/Defect Assessment & Failures in High Temperature Plant, 2-4 December 2013, Japan.

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Abstract

Diffusion dominates the creep deformation at low stress range for high chromium steel P91. Brittle creep fracture is caused by cavity nucleation, growth and coalescence of cavities and large precipitates (Laves phase and M23C6) at grain boundary under low stress range. At low stress range, a linear relation between strain at failure and different stresses has been described. Moreover, the minimum strain rate is also proportional to the different stresses.

Item Type: Conference or Workshop Item (Paper)
Contributors:
ContributionNameEmailORCID
AuthorAn, Liliu1372659@hud.ac.ukUNSPECIFIED
AuthorXu, Qiangq.xu2@hud.ac.ukUNSPECIFIED
AuthorLu, Zhongyuj.lu@hud.ac.ukUNSPECIFIED
AuthorDonnelly, Steves.donnelly@hud.ac.ukUNSPECIFIED
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TJ Mechanical engineering and machinery
Schools: School of Computing and Engineering
Depositing User: Lili An
Date Deposited: 02 Oct 2014 15:26
Last Modified: 06 Dec 2016 07:30
URI: http://eprints.hud.ac.uk/id/eprint/21822

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