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

Lang, Peter and Rath, Markus and 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. pp. 60-63. ISSN 1359-6462

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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.

Item Type:
Journal Article
Journal or Publication Title:
Scripta Materialia
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/3100/3104
Subjects:
ID Code:
125587
Deposited By:
Deposited On:
25 May 2018 13:42
Refereed?:
Yes
Published?:
Published
Last Modified:
19 Aug 2020 04:30