Microstructure, Thermal and Electrical Properties of Ultrafine Aluminium

Abstract:

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In article the influence of large effective deformation on microstructure, thermal diffusivity and electrical conductivity is described. The tested material was monocrystalline aluminum deformed by the cyclic extrusion compression (CEC) method. The evolution of misorientation distribution, sub(grain) size was determined by using electron back scattered diffraction (EBSD) technique. The second part of the study was to evaluation of thermal diffusivity by using the laser-flash method. The LFA 427 laser-flash facility were applied. The electrical properties as electrical impedance was made by impedance bridge RLC type. The obtained results show that with increase of deformation the insignificant decrease in thermal diffusivity and electrical conductivity occurred.

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Periodical:

Edited by:

Pavel Šandera

Pages:

326-329

DOI:

10.4028/www.scientific.net/KEM.465.326

Citation:

K. Rodak et al., "Microstructure, Thermal and Electrical Properties of Ultrafine Aluminium", Key Engineering Materials, Vol. 465, pp. 326-329, 2011

Online since:

January 2011

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$35.00

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