VC-precipitation kinetics studied by Small-Angle Neutron Scattering in nano-steels

Journal article (2018)

Authors

C. Ioannidou (OLD) MSE-1
Arjan Rijkenberg Tata Steel
Robert M. Dalgliesh ISIS, Rutherford Appleton Laboratory
A.A. van Well RST/Neutron and Positron Methods in Materials - AS
S.E. Offerman (OLD) MSE-1
Research Group
(OLD) MSE-1
Copyright: © 2018 C. Ioannidou, Z. Arechabaleta Guenechea, Arjan Rijkenberg, Robert M. Dalgliesh, A.A. van Well, S.E. Offerman
DOI: https://doi.org/10.4028/www.scientific.net/MSF.941.236
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Published Date

2018

Language

English

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Research Group

(OLD) MSE-1

Abstract

Nanosteels are used in automotive applications to accomplish resource-efficiency while providing high-tech properties. Quantitative data and further understanding on the precipitation kinetics in Nanosteels can contribute to fulfil this goal. Small-Angle Neutron Scattering measurements are performed on a Fe-C-Mn-V steel, previously heat-treated in a dilatometer at 650°C for several holding times from seconds to 10 hours. The evolution of the precipitate volume fraction, size distribution and number density is calculated by fitting the experimental Small-Angle Neutron Scattering curves. The effect of phase transformation on precipitation kinetics is also discussed. Complementary Transmission Electron Microscopy, Scanning Electron Microscopy and Inductively Coupled Plasma Optical Emission Spectroscopy measurements are performed to support the Small-Angle Neutron Scattering data analysis.

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