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Correlative atomic scale characterisation of secondary carbides in M50 bearing steel

Research output: Contribution to Journal/Magazine › Journal article › peer-review

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Correlative atomic scale characterisation of secondary carbides in M50 bearing steel. / Hopkin, Sarah E.; Danaie, Mohsen; Guetard, Gael et al.
In: Philosophical Magazine, Vol. 98, No. 9, 24.03.2018, p. 766-782.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Hopkin, SE, Danaie, M, Guetard, G, Rivera-Diaz-del-Castillo, P, Bagot, PAJ & Moody, MP 2018, 'Correlative atomic scale characterisation of secondary carbides in M50 bearing steel', Philosophical Magazine, vol. 98, no. 9, pp. 766-782. https://doi.org/10.1080/14786435.2017.1410290

APA

Hopkin, S. E., Danaie, M., Guetard, G., Rivera-Diaz-del-Castillo, P., Bagot, P. A. J., & Moody, M. P. (2018). Correlative atomic scale characterisation of secondary carbides in M50 bearing steel. Philosophical Magazine, 98(9), 766-782. https://doi.org/10.1080/14786435.2017.1410290

Vancouver

Hopkin SE, Danaie M, Guetard G, Rivera-Diaz-del-Castillo P, Bagot PAJ, Moody MP. Correlative atomic scale characterisation of secondary carbides in M50 bearing steel. Philosophical Magazine. 2018 Mar 24;98(9):766-782. Epub 2017 Dec 7. doi: 10.1080/14786435.2017.1410290

Author

Hopkin, Sarah E. ; Danaie, Mohsen ; Guetard, Gael et al. / Correlative atomic scale characterisation of secondary carbides in M50 bearing steel. In: Philosophical Magazine. 2018 ; Vol. 98, No. 9. pp. 766-782.

Bibtex

@article{0dd181cf5ca745b4a698437434fcfd24,
title = "Correlative atomic scale characterisation of secondary carbides in M50 bearing steel",
abstract = "Correlative atom probe tomography (APT) and transmission electron microscopy (TEM) are used to characterise the microstructure and chemistry of carbide precipitation in M50 bearing steel. This is a prerequisite in establishing relationships between the microstructure and hydrogen embrittlement (HE) resistance. Secondary carbides are the focus of this study, as they play a major role in improving HE-resistance. Secondary carbides are observed in APT, with compositions close to M4C3, M2C and M3C. Correlative TEM measured orientation relationships between the martensite matrix and carbides, enabling the confirmation of M3C cementite precipitates in the corresponding APT reconstruction. Additionally, other precipitates observed in TEM were correlated to the M2C carbides in APT data. The M4C3 carbides are found to have a significantly lower volume fraction than the M2C carbides.",
keywords = "atom probe tomography, bearing steels, correlative microscopy, M50 steel, transmission electron microscopy",
author = "Hopkin, {Sarah E.} and Mohsen Danaie and Gael Guetard and Pedro Rivera-Diaz-del-Castillo and Bagot, {Paul A.J.} and Moody, {Michael P.}",
year = "2018",
month = mar,
day = "24",
doi = "10.1080/14786435.2017.1410290",
language = "English",
volume = "98",
pages = "766--782",
journal = "Philosophical Magazine",
issn = "1478-6435",
publisher = "TAYLOR & FRANCIS LTD",
number = "9",

}

RIS

TY - JOUR

T1 - Correlative atomic scale characterisation of secondary carbides in M50 bearing steel

AU - Hopkin, Sarah E.

AU - Danaie, Mohsen

AU - Guetard, Gael

AU - Rivera-Diaz-del-Castillo, Pedro

AU - Bagot, Paul A.J.

AU - Moody, Michael P.

PY - 2018/3/24

Y1 - 2018/3/24

N2 - Correlative atom probe tomography (APT) and transmission electron microscopy (TEM) are used to characterise the microstructure and chemistry of carbide precipitation in M50 bearing steel. This is a prerequisite in establishing relationships between the microstructure and hydrogen embrittlement (HE) resistance. Secondary carbides are the focus of this study, as they play a major role in improving HE-resistance. Secondary carbides are observed in APT, with compositions close to M4C3, M2C and M3C. Correlative TEM measured orientation relationships between the martensite matrix and carbides, enabling the confirmation of M3C cementite precipitates in the corresponding APT reconstruction. Additionally, other precipitates observed in TEM were correlated to the M2C carbides in APT data. The M4C3 carbides are found to have a significantly lower volume fraction than the M2C carbides.

AB - Correlative atom probe tomography (APT) and transmission electron microscopy (TEM) are used to characterise the microstructure and chemistry of carbide precipitation in M50 bearing steel. This is a prerequisite in establishing relationships between the microstructure and hydrogen embrittlement (HE) resistance. Secondary carbides are the focus of this study, as they play a major role in improving HE-resistance. Secondary carbides are observed in APT, with compositions close to M4C3, M2C and M3C. Correlative TEM measured orientation relationships between the martensite matrix and carbides, enabling the confirmation of M3C cementite precipitates in the corresponding APT reconstruction. Additionally, other precipitates observed in TEM were correlated to the M2C carbides in APT data. The M4C3 carbides are found to have a significantly lower volume fraction than the M2C carbides.

KW - atom probe tomography

KW - bearing steels

KW - correlative microscopy

KW - M50 steel

KW - transmission electron microscopy

U2 - 10.1080/14786435.2017.1410290

DO - 10.1080/14786435.2017.1410290

M3 - Journal article

AN - SCOPUS:85038008399

VL - 98

SP - 766

EP - 782

JO - Philosophical Magazine

JF - Philosophical Magazine

SN - 1478-6435

IS - 9

ER -