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A frailty model for the analysis and prediction of creep and creep fracture: with application to high temperature plant life assessment using 1Cr–1Mo–0.25V / Mark Evans
Journal of Materials Science, Volume: 46, Issue: 2, Pages: 518 - 527
Swansea University Author: Mark Evans
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A frailty model for the analysis and prediction of creep and creep fracture: with application to high temperature plant life assessment using 1Cr–1Mo–0.25V
|Published in:||Journal of Materials Science|
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Current Impact Factor = 2.02. Five Year Impact Factor = 1.8. This paper is concerned with a subject of considerable practical importance as it considers the extent of confidence that can be placed on predictions of the service life of components made from a material commonly use in power generation. It shows that ignoring the hierarchical nature of existing creep data bases result in a substantial underestimate of such confidence limits. The paper also develops a suitable methodology to overcome this problem and derives safe life predictions - with levels of confidence- for 1Cr steel at typical operating conditions.
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