Journal ArticleDOI
Microstructure-mechanical properties relationships for quenching and partitioning (Q&P) processed steel
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TLDR
In this paper, a physically-based model describing the relationship between the microstructure and the mechanical properties of Q&P processed steels is developed, which is applied to the physical properties of a quenching and partitioning processed medium Mn steel.About:
This article is published in Acta Materialia.The article was published on 2016-07-01. It has received 237 citations till now. The article focuses on the topics: Quenching & Microstructure.read more
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Novel medium-Mn (austenite + martensite) duplex hot-rolled steel achieving 1.6 GPa strength with 20 % ductility by Mn-segregation-induced TRIP mechanism
TL;DR: In this paper, the authors show favorable effects of the Mn-segregated band, by carefully controlling the composition, size, and shape of austenite in Mn-rich and Mn-lean bands in medium-Mn duplex steels.
Journal ArticleDOI
Optimum properties of quenching and partitioning steels achieved by balancing fraction and stability of retained austenite
TL;DR: In this paper, a microstructurally-based method was proposed to design a proper quenching temperature to obtain an optimum microstructure comprising fine martensite laths and alternatively distributed thin austenite films, which has the optimum balance between fraction and stability of retained Austenite.
Journal ArticleDOI
Fundamentals and application of solid-state phase transformations for advanced high strength steels containing metastable retained austenite
Zongbiao Dai,Hao Chen,Ran Ding,Qi Lu,Chi Zhang,Zhigang Yang,Sybrand van der Zwaag,Sybrand van der Zwaag +7 more
TL;DR: In this paper, the authors provide a brief review of the desired microstructures for Transformation-induced plasticity (TRIP), Carbide-free Bainitic (CFB), Quenching & Partitioning (Q&P), and Medium Manganese steels followed by comprehensive discussions on the phase transformations to be used in their creation.
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The Deformation and Ageing of Mild Steel: III Discussion of Results
TL;DR: In this paper, an attempt is made to explain the observed phenomena in the yielding and ageing of mild steel, described in two previous papers, in the general terms of a grain-boundary theory.
Journal ArticleDOI
Kinetics of flow and strain-hardening☆
H. Mecking,U.F. Kocks +1 more
TL;DR: In this paper, a phenomenological model is proposed to incorporate the rate of dynamic recovery into the flow kinetics, which has been successful in matching many experimental data quantitatively, and it has been shown that the proportionality between the flow stress and the square root of the dislocation density holds, to a good approximation, over the entire regime; mild deviations arc primarily attributed to differences between the various experimental techniques used.