Crack Length Evaluation for Cyclic and Sustained Loading at High Temperature Using Potential Drop
2015 (English)In: Experimental mechanics, ISSN 0014-4851, E-ISSN 1741-2765, Vol. 55, no 3, 559-568 p.Article in journal (Refereed) Published
Crack length evaluations for cyclic loading and sustained loading at high temperature and a mix of both have been conducted on Inconel 718 surface crack specimens at 550 C-a similar to. The choice of method for evaluating the crack length is seen to have a non-negligible impact on the resulting crack propagation rate values. In this paper, some aspects regarding how to evaluate such testing when using the potential drop technique are presented, with the aim of giving a firm explanation on how to proceed for the best possible result.
Place, publisher, year, edition, pages
Society for Experimental Mechanics (SEM) , 2015. Vol. 55, no 3, 559-568 p.
Fatigue crack propagation; Fatigue test evaluation; Sustained load; Dwell time effects; Crack length evaluation; Potential drop
IdentifiersURN: urn:nbn:se:liu:diva-117241DOI: 10.1007/s11340-014-9963-2ISI: 000351444300007OAI: oai:DiVA.org:liu-117241DiVA: diva2:807090
Funding Agencies|Swedish Energy Agency; Siemens Industrial Turbomachinery AB; GKN Aerospace Engine Systems; Royal Institute of Technology through the Swedish research programme TURBO POWER2015-04-222015-04-212015-09-02