Neutron Diffraction Study of a CuAlBe Shape Memory Alloy

Abstract:

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This work presents the texture evolution of the austenitic phase of a copper based shape memory alloy by neutron diffraction. The Cu-11%Al-0.62%Be (in mass %) alloy was subjected to cold and hot rolling processes. The texture of the rolled samples at reduction rates of 5%, 10% and 15% respectively were compared to those of the raw material. A <001> partial fiber is observed for the raw material and cold rolled samples whereas the texture of the hot rolled sample is mainly characterized by a <111> fiber. The influence of these mechanical treatments on the transition temperatures and the hysteresis evolution was also analysed by following the integrated intensity of the {220} reflection of the austenitic phase. A shift towards low temperatures of martensitic transition temperatures is observed with the increasing of the rolling rate.

Info:

Periodical:

Solid State Phenomena (Volumes 172-174)

Edited by:

Yves Bréchet, Emmanuel Clouet, Alexis Deschamps, Alphonse Finel and Frédéric Soisson

Pages:

178-183

DOI:

10.4028/www.scientific.net/SSP.172-174.178

Citation:

M. Dubois et al., "Neutron Diffraction Study of a CuAlBe Shape Memory Alloy", Solid State Phenomena, Vols. 172-174, pp. 178-183, 2011

Online since:

June 2011

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Price:

$35.00

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