Quantitative assessment of carbon allocation anomalies in low temperature bainite
Rosalia Rementeria,José Antonio Jiménez,Sébastien Allain,Guillaume Geandier,Jonathan D. Poplawsky,Wei Guo,Esteban Urones-Garrote,Carlos Garcia-Mateo,Francisca García Caballero +8 more
TLDR
In this article, the mass balance for carbon is successfully achieved by considering all the transformation products together with an estimation of the carbon segregated to linear defects and precipitates in low temperature bainite.About:
This article is published in Acta Materialia.The article was published on 2017-07-01 and is currently open access. It has received 49 citations till now. The article focuses on the topics: Bainite & Ferrite (iron).read more
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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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Clustering, nano-scale precipitation and strengthening of steels
TL;DR: In this article, the authors present a review of nano-precipitation in low temperature body centred cubic phases (ferrite, bainitic ferrite and martensite) in a range of steels from high strength low alloyed to maraging ones.
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The effect of retained austenite stability on impact-abrasion wear resistance in carbide-free bainitic steels
TL;DR: In this paper, the effect of retained austenite stability on impact-abrasion wear resistance was investigated, and it was demonstrated that a high mechanical stability of retained Austenite brought about improved wear resistance in bainite steels.
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Carbon redistribution in quenched and tempered lath martensite
TL;DR: In this article, the authors systematically track the tempering-induced microstructure evolution within a single martensite lath, using electron channeling contrast imaging and atom probe tomography, both correlated with crystallographic orientation information from electron backscatter diffraction.
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Effects of Q&P Processing Conditions on Austenite Carbon Enrichment Studied by In Situ High-Energy X-ray Diffraction Experiments
Sébastien Allain,Guillaume Geandier,Jean-Christophe Hell,Michel Soler,Frédéric Danoix,Mohamed Gouné +5 more
TL;DR: In this article, the first ultra-fast time-resolved quantitative information on the quenching and partitioning process of conventional high-strength steel by an in situ high-energy X-ray diffraction (HEXRD) experiment was reported.
References
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Dislocation Theory of Yielding and Strain Ageing of Iron
A H Cottrell,B A Bilby +1 more
TL;DR: In this article, a theory of yielding and strain ageing of iron, based on the segregation of carbon atoms to form atmospheres round dislocations, is developed and the force needed to release a dislocation from its atmosphere is roughly estimated and found to be reasonable.
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Atom Probe Microscopy
TL;DR: In this paper, the authors present a detailed overview of the field ion microscopy (FIM) and its application in the field of materials science and engineering, as well as an analysis of the image in a pure material.
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Atom Probe Tomography : Analysis at the Atomic Level
TL;DR: This work aims to provide a history of field Ion Microscopy and its role in the development of x-ray diffraction analysis, as well as some of the techniques used to study the response of the immune system to these substances.
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Very strong bainite
TL;DR: A steel with an ultimate tensile strength of 2500 MPa, a hardness at 600-670 HV and toughness in excess of 30-40 MPa/m 1/2 is the result of exciting new developments with bainite as discussed by the authors.
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Very strong low temperature bainite
TL;DR: In this paper, metallographic details are reported of the very fine bainitic microstructure associated with the incredibly low transformation temperature, where during the time scale of the experiments, an iron atom cannot diffuse over a distance greater than ~ 10-17 m.