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Type: Artigo de periódico
Title: Low carbon content NiTi shape memory alloy produced by electron beam melting
Author: Otubo, Jorge
Rigo, Odair Doná
Moura Neto, Carlos de
Kaufman, Michael Joseph
Mei, Paulo Roberto
Abstract: Earlier works showed that the use of electron beam melting is a viable process to produce NiTi shape memory alloy. In those works a static and a semi-dynamic processes were used producing small shell-shaped and cylindrical ingots respectively. The main characteristics of those samples were low carbon concentration and good composition homogeneity throughout the samples. This paper presents the results of scaling up the ingot size and processing procedure using continuous charge feeding and continuous casting. The composition homogeneity was very good demonstrated by small variation in martensitic transformation temperatures with carbon content around 0.013wt% compared to 0.04 to 0.06wt% of commercial products.
Subject: NiTi
Shape Memory
Electron Beam Melting
Martensitic Transformation
Editor: ABM, ABC, ABPol
Rights: aberto
Identifier DOI: 10.1590/S1516-14392004000200008
Date Issue: 1-Jun-2004
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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