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The effect of dynamic strain aging on subsequent mechanical properties of dual-phase steels

Molaei, M. J ; Sharif University of Technology | 2010

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  1. Type of Document: Article
  2. DOI: 10.1007/s11665-009-9429-3
  3. Publisher: 2010
  4. Abstract:
  5. Dual-phase (DP) steels with different martensite contents were produced by subjecting a low carbon steel to various heat treatment cycles. In order to investigate the effect of dynamic strain aging (DSA) on mechanical properties, tensile specimens were deformed 3% at 300 °C. Room temperature tensile tests of specimens which deformed at 300 °C showed that both yield and ultimate tensile strengths increased, while total elongation decreased. The fatigue limit increased after pre-strain in the DSA temperature range. The effects of martensite volume fraction on mechanical properties were discussed
  6. Keywords:
  7. Dual-phase steel ; Dynamic strain aging ; Fatigue Limit ; Fatigue strength ; Heat treatment cycle ; Martensite volume fraction ; Pre-strain ; Room temperature ; Temperature range ; Tensile specimens ; Tensile tests ; Total elongations ; Ultimate tensile strength ; Dynamics ; Fatigue of materials ; Low carbon steel ; Martensite ; Mechanical properties ; Strain ; Tensile strength ; Tensile testing ; Martensitic steel
  8. Source: Journal of Materials Engineering and Performance ; Volume 19, Issue 4 , June , 2010 , Pages 607-610 ; 10599495 (ISSN)
  9. URL: http://link.springer.com/article/10.1007%2Fs11665-009-9429-3