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Grain growth in Cu-Zn-Al-Mn shape-memory alloy

✍ Scribed by F. J. Gil; J. M. Guilemany; I. Sanchiz

Publisher
Springer
Year
1993
Tongue
English
Weight
235 KB
Volume
28
Category
Article
ISSN
0022-2461

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✦ Synopsis

The kinetic grain growth has been determined in a Cu Zn AI Mn alloy by the calculation of different grain-size parameters (perimeter, minimum and maximum diameter) and the ratio of the grain-boundary area per unit volume from measurements obtained at different temperatures and heat-treatment times. The growth order and activation energy have been evaluated.

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Cu-Al-Mn shape memory alloys with 10-14.5 wt.% of Al and 0-10 wt.% of Mn, were chosen for the present study. The transformation temperatures, shape memory effect and superelasticity of these alloys are highly sensitive to variations in composition. The influence of composition on these properties ha