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Continuum damage mechanics-based creep-fatigue-interacted life prediction of nickel-based superalloy at high temperature
- Issue Date
- Dec-2007
- Publisher
- Pergamon Press Ltd.
- Keywords
- low cycle fatigue; creep; life prediction; nickel alloys; modeling
- Citation
- Scripta Materialia, v.57, no.12, pp 1149 - 1152
- Pages
- 4
- Indexed
- SCIE
SCOPUS
- Journal Title
- Scripta Materialia
- Volume
- 57
- Number
- 12
- Start Page
- 1149
- End Page
- 1152
- ISSN
- 1359-6462
- Abstract
- This paper presents a creep-fatigue-interacted lifetime prediction methodology based on continuum damage mechanics for the Ni-based superalloy under cyclic loading at high temperature. A unified life estimation model has been developed enabling stress-strain curves and cumulative damage to be predicted. Four types of low cycle fatigue tests were carried out at 650 C. The effects of the levels of strain range and strain hold time together with frequency characteristics of fatigue behavior on the lifetime were investigated.
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Related Researcher
- Kim, Tae Won
- COLLEGE OF ENGINEERING (SCHOOL OF MECHANICAL ENGINEERING)