Influence of nominal composition variation on phase evolution and creep life of Type 316H austenitic stainless steel components: 21st European Conference on Fracture, ECF21, 20-24 June 2016, Catania, Italy

Ana I. Martinez-Ubeda, Ian Griffiths, Mudith S.A. Karunaratne, Peter E.J. Flewitt, Charles Younes, Tom Scott

Research output: Contribution to conferenceConference Paperpeer-review

2 Citations (Scopus)
257 Downloads (Pure)

Abstract

The present work aims to understand the influence of variation in chemical composition in the long term evolution of secondary phases. Three samples with nominal composition of Type 316H but different specific composition have been exposed to 505°C during 150, 145 and 300 kh. The percentage of ferrite and M23C6 carbide have been measured using EBSD and compared with Thermo-Calc predictions. In addition, thin foils were prepared and characterized to identify secondary phases in the samples. The discussion is focused on the influence of the secondary phases on creep deformation and failure.
Original languageEnglish
Pages958-965
Number of pages8
DOIs
Publication statusPublished - 2016

Bibliographical note

Conference proceeding

Keywords

  • 316H austentic stainless steel
  • creep cavitation
  • creep deformation
  • phase transformation

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