Inverse effect of strain rate on mechanical behavior and phase transformation of superaustenitic stainless steel

Inverse effect of strain rate on mechanical behavior and phase transformation of superaustenitic stainless steel

In general, the strength of materials rises with an increase in the strain rate, while the ductility decreases. However, the ductility of superaustenitic stainless steel increases significantly with an increase in the strain rate. This is associated with strain-induced ε martensite transformation. T...

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Veröffentlicht in:Scripta materialia 2007-04, Vol.56 (8), p.717-720
Hauptverfasser: Wu, Chia-Chang, Wang, Shing-Hoa, Chen, Chih-Yuan, Yang, Jer-Ren, Chiu, Po-Kay, Fang, Jason
Format: Artikel
Sprache:eng
Schlagworte:
Ductility
Inverse
Martensite
Martensitic transformations
Mechanical properties
Stainless steels
Strain rate
Strain rate, Elongation
Strain-induced martensite
Superaustenitic stainless steel
Transformations
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Zusammenfassung:In general, the strength of materials rises with an increase in the strain rate, while the ductility decreases. However, the ductility of superaustenitic stainless steel increases significantly with an increase in the strain rate. This is associated with strain-induced ε martensite transformation. The higher the strain rates applied, the more strain-induced, intersected ε martensite is formed.
ISSN:1359-6462
1872-8456
DOI:10.1016/j.scriptamat.2006.08.064