Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/105315
Type: Artigo de periódico
Title: Grain Size Effect On The Structural Parameters Of The Stress Induced Ehcp - Martensite In Iron-based Shape Memory Alloy
Author: Nascimento F.C.
Mei P.R.
Cardoso L.P.
Otubo J.
Abstract: The aim of this work was to study the effect of austenitic grain size (GS) reduction on the structural parameters of the εhcp -martensite in stainless shape memory alloy (SMA). Rietveld refinement data showed an expansion in c-axis and a reduction in a and b-axis with thermo-mechanical cycles for all samples analyzed. Samples with 75 ≤ GS (μ) ≤ 129 were analyzed. It was also observed an increase of the unit cell volume in this phase with GS reduction. The smallest grain size sample (GS = 75 μm) presented a c/a ratio of 1.649, and approximately 90% of total shape memory recovery.
Editor: 
Rights: aberto
Identifier DOI: 10.1590/S1516-14392008000100012
Address: http://www.scopus.com/inward/record.url?eid=2-s2.0-45149107860&partnerID=40&md5=0bf0eb8adc49608240f18b66f71c94f0
Date Issue: 2008
Appears in Collections:Unicamp - Artigos e Outros Documentos

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