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Influencing parameters on martensite transformation during low cycle fatigue for steel AISI 321

✍ Scribed by M. Grosse; D. Kalkhof; M. Niffenegger; L. Keller


Publisher
Elsevier Science
Year
2006
Tongue
English
Weight
485 KB
Volume
437
Category
Article
ISSN
0921-5093

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✦ Synopsis


The influence of the low cycle fatigue parameters strain amplitude, cycle number, test temperature and frequency on the formation of martensite was investigated. Linear dependencies of the martensite content on plastic strain amplitude and the cycle number were found. The martensite content decreases exponentially with increasing temperature. No influence of LCF test frequency was found. The susceptibility for the martensitic transformation strongly depends on the thermo-mechanical pretreatment. No significant residual stresses were found after cyclic loading.


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