Role of retained ferrite on the thermal fatigue cracking resistance in martensitic stainless steel weldment

Y. C. Lin, Y. T. Lin, S. C. Chen, Z. R. Liu

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6 Citations (Scopus)

Abstract

This paper is aimed at the investigation of the role of retained ferrite within the martensitic matrix on thermal fatigue crack tendency. The experimental results show that a linear relationship does not exist between the retained ferrite content and thermal fatigue crack tendency. Based on the experimental observations, a critical ferrite content of about 31.5 vol.% is found. Retained ferrite is a beneficial factor for crack resistance when the retained ferrite is less than 31.5 vol.%. The retained ferrite becomes a harmful factor when the retained ferrite is more than this critical content.

Original languageEnglish
Pages (from-to)133-135
Number of pages3
JournalMaterials Science and Engineering A
Volume339
Issue number1-2
DOIs
Publication statusPublished - 2003 Jan 2

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All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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