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Designing steel to resist hydrogen embrittlement Part 2: precipitate characterisation
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2018 (English)In: Materials Science and Technology, ISSN 0267-0836, E-ISSN 1743-2847, Vol. 34, no 14, p. 1747-1758Article in journal (Refereed) Published
Abstract [en]

A novel, low-alloy steel has been designed for use in the oil and gas industry. Its high strength and hydrogen trapping potential are derived from a martensitic microstructure containing a dispersion of fine vanadium-molybdenum alloy carbides that evolve during tempering. In this second paper, the effect of quench rate from austenitisation and tempering conditions are investigated with respect to the microstructure. The alloy loses its tempering resistance following slow-cooling from austenitisation as a result of MC precipitation, leading to vanadium depletion and significant M2C coarsening. This is predicted using computer simulation and confirmed by high energy X-ray diffraction, combined with electron microscopy.

Place, publisher, year, edition, pages
Informa UK Limited , 2018. Vol. 34, no 14, p. 1747-1758
National Category
Metallurgy and Metallic Materials
Identifiers
URN: urn:nbn:se:kth:diva-249072DOI: 10.1080/02670836.2018.1496536ISI: 000444708700014Scopus ID: 2-s2.0-85049842181OAI: oai:DiVA.org:kth-249072DiVA, id: diva2:1303791
Note

QC 20190412

Available from: 2019-04-10 Created: 2019-04-10 Last updated: 2022-06-26Bibliographically approved

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fulltext(4314 kB)396 downloads
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Publisher's full textScopushttps://doi.org/10.1080%2F02670836.2018.1496536

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Hulme-Smith, Christopher

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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
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  • Other locale
More languages
Output format
  • html
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