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Open AccessArticle

Effect of Equal Channel Angular Extrusion on the Thermal Conductivity of an AX52 Magnesium Alloy

1
Charles University, Faculty of Mathematics and Physics, Ke Karlovu 3, 121 16 Praha 2, Czech Republic
2
COMTES FHT, Průmyslová 995, 334 41 Dobřany, Czech Republic
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Author to whom correspondence should be addressed.
Crystals 2020, 10(6), 497; https://doi.org/10.3390/cryst10060497
Received: 14 May 2020 / Revised: 2 June 2020 / Accepted: 5 June 2020 / Published: 9 June 2020
(This article belongs to the Special Issue Study Properties of Hexagonal Single Crystals and Polycrystals)
An AX52 magnesium alloy (nominal composition Mg-5Al-2Ca in w.%) was submitted to equal channel angular pressing (ECAP) using processing route A; 1–8 passes through the ECAP tool were applied. The thermal conductivity of the ECAP samples was measured using a flash method in the temperature interval from room temperature up to 350 °C. The microstructure and texture of the samples were studied by light and electron microscopy. The severe plastic deformation, realized by the ECAP, influences the thermal properties of the alloy. The possible microstructural parameters determining the thermal conductivity were analyzed. New dislocations, the grain, phase boundaries, and texture of the samples may perceptibly change the thermal properties. View Full-Text
Keywords: magnesium alloy; thermal diffusivity; thermal conductivity; thermal expansion; equal channel angular pressing; texture magnesium alloy; thermal diffusivity; thermal conductivity; thermal expansion; equal channel angular pressing; texture
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MDPI and ACS Style

Trojanová, Z.; Halmešová, K.; Džugan, J.; Drozd, Z.; Minárik, P.; Lukáč, P. Effect of Equal Channel Angular Extrusion on the Thermal Conductivity of an AX52 Magnesium Alloy. Crystals 2020, 10, 497.

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