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Use of small specimen creep data in component life management: a review

Craddock Dyson, Charles; Sun, Wei; Hyde, Christopher J.; Brett, Steve J.; Hyde, Thomas H.

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Charles Craddock Dyson

Wei Sun

Christopher J. Hyde

Steve J. Brett

Thomas H. Hyde


Small specimen creep testing techniques are novel mechanical test techniques that have been developed over the past 25 years. They mainly include the sub-size uniaxial test, the small punch creep test, the impression creep test, the small ring creep test and the two-bar creep test. This paper outlines the current methods in practice for data interpretation as well as the state-of-the-art procedures for conducting the tests. Case studies for the use of impression creep testing and material strength ranking of creep resistant steels are reviewed along with the requirement for the standardisation of the impression creep test method. A database of small specimen creep testing is required to prove the validity of the tests.

Journal Article Type Article
Acceptance Date Dec 8, 2015
Online Publication Date Feb 8, 2016
Publication Date Oct 12, 2016
Deposit Date Jun 6, 2016
Publicly Available Date Jun 6, 2016
Journal Materials Science and Technology
Print ISSN 0267-0836
Electronic ISSN 1743-2847
Publisher Taylor and Francis
Peer Reviewed Peer Reviewed
Volume 32
Issue 15
Pages 1567-1581
Keywords Small specimen creep testing; Data interpretation; Power plant components; Life Management
Public URL
Publisher URL
Additional Information This is an Accepted Manuscript of an article published by Taylor & Francis in Materials Science and Technology on 08/02/2016, available online:


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