Some effects of thermal aging and grain size on the creep behaviour of a cast of AISI type 316 stainless steel

Research output: Journal Publications and ReviewsRGC 22 - Publication in policy or professional journal

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Original languageEnglish
Pages (from-to)285-289
Journal / PublicationMaterials Science and Engineering
Volume54
Issue number2
Publication statusPublished - Jul 1982
Externally publishedYes

Abstract

Constant-load uniaxial creep tests were performed on a cast of AISI type 316 stainless steel which had been aged to produce M23C6, χ phase and/or η phase prior to test. The removal of carbon from solid solution by the precipitation of M23C6 at 625 °C did not affect the creep strength, whereas the removal of molybdenum from solution by the precipitation of intermetallic phases led to a decrease in creep strength and rupture life. The creep rate was slightly reduced as the mean linear intercept grain size was increased from 50 to 140 μm. © 1982.