Influence of martensite contents and properties on fatigue behaviour of dual-phase sheet steels
✍ Scribed by L Wännman; A Melander
- Publisher
- Elsevier Science
- Year
- 1991
- Weight
- 565 KB
- Volume
- 12
- Category
- Article
- ISSN
- 0261-3069
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The austenite-to-martensite transformation expansion during quenching of steels from intercritical temperatures results in plastic deformation of a region of ferrite near each martensite particle. The localized ferrite plastic strain lowers slightly the overall ductility of the ferrite and, hence, t
This paper aims to investigate tensile properties and work hardening behavior of dual phase (DP) steels. A series of DP steels containing ferrite and martensite with different volume fractions of martensite (V m ) were produced by intercritical heat treatment. Microstructural investigations, hardnes