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Type: Artigo de periódico
Title: Influence Of Heating Rate On The Reversion Of Strain-induced Martensite In Aisi 304 Austenitic Stainless Steel [efeito Da Taxa De Aquecimento Na Reversão Da Martensita Induzida Por Deformação Em Um Aço Inoxidável Austenítico Do Tipo Abnt 304]
Author: De Abreu Santos T.F.
Andrade M.S.
De Castro A.L.R.
Abstract: Austenitic stainless steels specimens were deformed by tension from 0.03 to 0.12 of true strain at -50 oC and -10 oC, in order to obtain different volumetric fractions of e and a' strain induced martensites. The morphology, distribution and volumetric fractions of the strain induced martensites were characterized by metallography and dilatometry analysis and quantified by ferrite detector measurements. The reverse transformation temperatures of ε→γand α'→γwere detected by dilatometry tests. The and ?' martensites reversion was observed in the temperature range of 50-200 oC and 500-800 oC, respectively. The heating rate did not influence the reversing of ε→α' temperatures but did affect the α'→γ transformation temperatures.
Rights: aberto
Identifier DOI: 
Date Issue: 2009
Appears in Collections:Unicamp - Artigos e Outros Documentos

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