Modelling recovery kinetics in high-strength martensitic steels

B.N. Kim Lee; D. San-Martin; P. E.J. Rivera-Díaz-del-Castillo

doi:10.1080/09500839.2017.1342048

Modelling recovery kinetics in high-strength martensitic steels

B.N. Kim Lee, D. San-Martin, P. E.J. Rivera-Díaz-del-Castillo

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Abstract

The decrease in dislocation density and hence the high strength loss can be modelled during martensite tempering as a recovery process. In this work, an innovative approach is presented to understand the role of silicon associated with the inhibition of the recovery rate. A phenomenological model is presented, where a combination of cross-slip and solute drag is identified as the main governing mechanism for recovery up to 450 (Formula presented.) C, from where it is postulated that recrystallisation occurs.

Original language	English
Pages (from-to)	280-286
Journal	Philosophical Magazine Letters: structure and properties of condensed matter
Volume	97
Issue number	7
DOIs	https://doi.org/10.1080/09500839.2017.1342048
Publication status	Published - 2017

Keywords

cross-slip
dislocations
microstructural characterisation
Recovery
solute drag
tempered martensite

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10.1080/09500839.2017.1342048

09500839.2017.1342048Final published version, 1.28 MBLicence: CC BY-NC-ND

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Modelling recovery kinetics in high-strength martensitic steels

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Keywords

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