Microstructure-mechanical properties relationships for quenching and partitioning (Q&P) processed steel

The quenching and partitioning (Q&P) processing of advanced high strength steels has been shown to result in a distinct improvement of their strength and ductility. The selection of the quench temperature during Q&P processing makes it possible to obtain a wide range of mechanical properties...

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Veröffentlicht in:Acta materialia 2016-07, Vol.113, p.124-139
Hauptverfasser: Seo, Eun Jung, Cho, Lawrence, Estrin, Yuri, De Cooman, Bruno C.
Format: Artikel
Sprache:eng
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Zusammenfassung:The quenching and partitioning (Q&P) processing of advanced high strength steels has been shown to result in a distinct improvement of their strength and ductility. The selection of the quench temperature during Q&P processing makes it possible to obtain a wide range of mechanical properties for the final martensite-austenite microstructures. In the present study, a physically-based model describing the relationship between the microstructure and the mechanical properties of Q&P processed steels is developed. The model is applied to the mechanical properties of a Q&P processed medium Mn steel. [Display omitted]
ISSN:1359-6454
1873-2453
DOI:10.1016/j.actamat.2016.04.048