Creep-induced heterogeneous precipitation of Laves phase with two morphologies in tempered martensite ferritic steels

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

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Author(s)

  • Bo Xiao
  • Haokai Dong
  • Shenbao Jin
  • Yongdian Han
  • Lei Zhao
  • Xiawei Yang
  • Gang Sha
  • Lianyong Xu

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Detail(s)

Original languageEnglish
Pages (from-to)630-637
Journal / PublicationMaterials Research Letters
Volume11
Issue number8
Online published6 May 2023
Publication statusPublished - 2023

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Publisher's Copyright Statement
  • This full text is made available under CC-BY 4.0. https://creativecommons.org/licenses/by/4.0/
Link to Scopus https://www.scopus.com/record/display.uri?eid=2-s2.0-85158994865&origin=recordpage
Permanent Link https://scholars.cityu.edu.hk/en/publications/publication(9fe77df5-aee0-4f84-9cb2-26b4d930ea6e).html

Abstract

We report two typical morphologies (elongated- and blocky-shaped) of the Laves phase in tempered martensite ferritic steels during creep process, originating from the two independent formation paths, i.e. along grain boundaries (GBs) and neighboring M23C6. This is attributed to the multi-element segregation (Cr, Mn, Si and W) at GBs and adjacent M23C6 that serves as suppliers of Laves phase formers. Furthermore, the subsequent different growth mechanisms play crucial roles in the two typical morphologies. Our findings improve the understanding of Laves phase heterogeneous precipitation and provide new insights for the innovation of novel heat-resistant steels with superior creep strength.

© 2023 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group.

Research Area(s)

  • creep deformation, heterogeneous precipitation, Laves phase, precipitation mechanism, Tempered martensite ferritic steels

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Publication fingerprints text

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precipitation INIS
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morphology INIS
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laves phases INIS
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creep INIS
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ferritic steels INIS
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martensite INIS
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Laves Phase Keyphrases
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Creep Keyphrases
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Heterogeneous Preci... Keyphrases
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Ferritic-martensiti... Keyphrases
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Citation Format(s)

[ RIS ] [ BibTeX ]
Creep-induced heterogeneous precipitation of Laves phase with two morphologies in tempered martensite ferritic steels. / Xiao, Bo; Dong, Haokai; Yang, Tao et al.
In: Materials Research Letters, Vol. 11, No. 8, 2023, p. 630-637.

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

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