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Modelling the influence of austenitisation temperature on hydrogen trapping in Nb containing martensitic steels

Modelling the influence of austenitisation temperature on hydrogen trapping in Nb containing martensitic steels
Modelling the influence of austenitisation temperature on hydrogen trapping in Nb containing martensitic steels

Hydrogen trapping behaviour is investigated by means of thermokinetic simulations in a martensitic steel. The heat treatment consists of austenitisation followed by quenching and tempering. The model prescribes a minimum in hydrogen trapping at an austenitisation temperature of 1050 °C. Below this temperature, austenite grain boundaries are the prevailing trap, whereas niobium atoms in solid solution are the main traps above 1050 °C. The model describes precisely the experimental results.

Hydrogen absorption, Martensitic steel, Microstructure, Precipitation, Simulation
1359-6462
60-63
Lang, Peter
bef725d4-8fce-435a-bd61-4631aa75c813
Rath, Markus
acc520e5-8688-4b71-8c45-d95f9cfac356
Kozeschnik, Ernst
e07e4bd5-651d-4b6d-b510-62f8366a20a7
Rivera-Diaz-Del-Castillo, Pedro E.J.
6e0abc1c-2aee-4a18-badc-bac28e7831e2
Lang, Peter
bef725d4-8fce-435a-bd61-4631aa75c813
Rath, Markus
acc520e5-8688-4b71-8c45-d95f9cfac356
Kozeschnik, Ernst
e07e4bd5-651d-4b6d-b510-62f8366a20a7
Rivera-Diaz-Del-Castillo, Pedro E.J.
6e0abc1c-2aee-4a18-badc-bac28e7831e2

Lang, Peter, Rath, Markus, Kozeschnik, Ernst and Rivera-Diaz-Del-Castillo, Pedro E.J. (2015) Modelling the influence of austenitisation temperature on hydrogen trapping in Nb containing martensitic steels. Scripta Materialia, 101, 60-63. (doi:10.1016/j.scriptamat.2015.01.019).

Record type: Article

Abstract

Hydrogen trapping behaviour is investigated by means of thermokinetic simulations in a martensitic steel. The heat treatment consists of austenitisation followed by quenching and tempering. The model prescribes a minimum in hydrogen trapping at an austenitisation temperature of 1050 °C. Below this temperature, austenite grain boundaries are the prevailing trap, whereas niobium atoms in solid solution are the main traps above 1050 °C. The model describes precisely the experimental results.

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More information

Accepted/In Press date: 25 January 2015
e-pub ahead of print date: 7 February 2015
Published date: 1 May 2015
Keywords: Hydrogen absorption, Martensitic steel, Microstructure, Precipitation, Simulation

Identifiers

Local EPrints ID: 492437
URI: http://eprints.soton.ac.uk/id/eprint/492437
DOI: doi:10.1016/j.scriptamat.2015.01.019
ISSN: 1359-6462
PURE UUID: 95168979-e02a-4cc3-8ece-7fb1135b57d7
ORCID for Pedro E.J. Rivera-Diaz-Del-Castillo: ORCID iD orcid.org/0000-0002-0419-8347

Catalogue record

Date deposited: 26 Jul 2024 16:44
Last modified: 27 Jul 2024 02:08

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Contributors

Author: Peter Lang
Author: Markus Rath
Author: Ernst Kozeschnik
Author: Pedro E.J. Rivera-Diaz-Del-Castillo ORCID iD

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