Affiliation:
1. University of Miskolc, Institute of Material Sciences, Miskolc, Hungary
2. University of Miskolc-Hungarian Academy of Sciences Research Group, Miskolc, Hungary
Abstract
Despite their favorable properties, brittle nature of the CuAlNi shape memory
alloys limits their suitability. To increase their ductility, Mn and Fe were
added to the base CuAlNi alloy. To reveal the applicability of the developed
CuAlNiMn and CuAlNiMnFe alloys as functional materials, the effect of ageing
on the thermoelastic martensitic transformation was investigated. During the
first heating of the aged samples the thermoelastic ?? ? ? transformation
occurred, which was followed by a bainitic transformation. This
transformation inhibited the further thermoelastic martensitic
transformations. The present paper covers heat flux DSC, SEM, and TEM
investigations of the bainitic transformation. A feasible mechanism of the
bainitic transformation in these alloys is suggested based on the results of
the examinations.
Publisher
National Library of Serbia
Subject
Materials Chemistry,Metals and Alloys,Mechanics of Materials,Geotechnical Engineering and Engineering Geology
Cited by
4 articles.
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