Enhancing Hydrogen Embrittlement Resistance of Lath Martensite by Introducing Nano-Films of Interlath Austenite

Meimei Wang; C. Cem Tasan; Motomichi Koyama; Dirk Ponge; Dierk Raabe

doi:10.1007/s11661-015-3009-y

Enhancing Hydrogen Embrittlement Resistance of Lath Martensite by Introducing Nano-Films of Interlath Austenite

Meimei Wang, C. Cem Tasan, Motomichi Koyama, Dirk Ponge, Dierk Raabe

Strength of materials

Research output: Contribution to journal › Article › peer-review

73 Citations (Scopus)

Abstract

Partial reversion of interlath austenite nano-films is investigated as a potential remedy for hydrogen embrittlement susceptibility of martensitic steels. We conducted uniaxial tensile tests on hydrogen-free and pre-charged medium-Mn transformation-induced plasticity-maraging steels with different austenite film thicknesses. Mechanisms of crack propagation and microstructure interaction are quantitatively analyzed using electron channelling contrast imaging and electron backscatter diffraction, revealing a promising strategy to utilize austenite reversion for hydrogen-resistant martensitic steel design.

Original language	English
Pages (from-to)	3797-3802
Number of pages	6
Journal	Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science
Volume	46
Issue number	9
DOIs	https://doi.org/10.1007/s11661-015-3009-y
Publication status	Published - Sept 5 2015

All Science Journal Classification (ASJC) codes

Condensed Matter Physics
Mechanics of Materials
Metals and Alloys

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title = "Enhancing Hydrogen Embrittlement Resistance of Lath Martensite by Introducing Nano-Films of Interlath Austenite",

abstract = "Partial reversion of interlath austenite nano-films is investigated as a potential remedy for hydrogen embrittlement susceptibility of martensitic steels. We conducted uniaxial tensile tests on hydrogen-free and pre-charged medium-Mn transformation-induced plasticity-maraging steels with different austenite film thicknesses. Mechanisms of crack propagation and microstructure interaction are quantitatively analyzed using electron channelling contrast imaging and electron backscatter diffraction, revealing a promising strategy to utilize austenite reversion for hydrogen-resistant martensitic steel design.",

author = "Meimei Wang and Tasan, {C. Cem} and Motomichi Koyama and Dirk Ponge and Dierk Raabe",

note = "Funding Information: The authors gratefully acknowledge the funding by the European Research Council under the EU{\textquoteleft}s 7th Framework Programme (FP7/2007-2013)/ERC Grant agreement 290998. We also want to thank Xiaoshuang Li, Waldemar Krieger and Michael Adamek from the Max-Planck-Institute f{\"u}r Eisenforschung and Tatsuya Nagashima from Kyushu University in Japan for their kind help. Publisher Copyright: {\textcopyright} 2015, The Minerals, Metals & Materials Society and ASM International.",

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doi = "10.1007/s11661-015-3009-y",

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AU - Wang, Meimei

AU - Tasan, C. Cem

AU - Koyama, Motomichi

AU - Ponge, Dirk

AU - Raabe, Dierk

N1 - Funding Information: The authors gratefully acknowledge the funding by the European Research Council under the EU‘s 7th Framework Programme (FP7/2007-2013)/ERC Grant agreement 290998. We also want to thank Xiaoshuang Li, Waldemar Krieger and Michael Adamek from the Max-Planck-Institute für Eisenforschung and Tatsuya Nagashima from Kyushu University in Japan for their kind help. Publisher Copyright: © 2015, The Minerals, Metals & Materials Society and ASM International.

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N2 - Partial reversion of interlath austenite nano-films is investigated as a potential remedy for hydrogen embrittlement susceptibility of martensitic steels. We conducted uniaxial tensile tests on hydrogen-free and pre-charged medium-Mn transformation-induced plasticity-maraging steels with different austenite film thicknesses. Mechanisms of crack propagation and microstructure interaction are quantitatively analyzed using electron channelling contrast imaging and electron backscatter diffraction, revealing a promising strategy to utilize austenite reversion for hydrogen-resistant martensitic steel design.

AB - Partial reversion of interlath austenite nano-films is investigated as a potential remedy for hydrogen embrittlement susceptibility of martensitic steels. We conducted uniaxial tensile tests on hydrogen-free and pre-charged medium-Mn transformation-induced plasticity-maraging steels with different austenite film thicknesses. Mechanisms of crack propagation and microstructure interaction are quantitatively analyzed using electron channelling contrast imaging and electron backscatter diffraction, revealing a promising strategy to utilize austenite reversion for hydrogen-resistant martensitic steel design.

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Enhancing Hydrogen Embrittlement Resistance of Lath Martensite by Introducing Nano-Films of Interlath Austenite

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