Low carbon content NiTi shape memory alloy produced by electron beam melting
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.
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| Principais autores: | , , , , |
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| Formato: | Digital revista |
| Idioma: | English |
| Publicado em: |
ABM, ABC, ABPol
2004
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| Acesso em linha: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392004000200008 |
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