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金属学报(英文版) 1997
EFFECT OF MICROSTRUCTURE ON HYDROGEN DAMAGE OF JBK-75 PRECIPITATE-STRENGTHENED AUSTENITIC STEEL
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Abstract:
1.IntroductionHydrogenembrittlement(HE)0rhydr0gendamage(HD)ofall0ysisnotonlyrelatedt0chemicalc0mpositionsbutals0c10selyt0microstructures.Thereweres0merep0rts0ntheeffect0fmicr0structures0nHD0fsingle-phaseausteniticsteels1-3].Themicrostructuralreas0nsofHD0fprecipitate-strengthenedausteniticsteels(PSAS),however,havereceivedlessattenti0n.Single-phaseausteniticsteelshaveproveninseveralinstancestohaveg00dresistancet0HD,butaretypicallynostr0ngerthan450MPainyieldstrength.Thus,anausteniticmatri…
