Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Thermal Conductivity of an AZ31 Sheet After Accumulative Roll Bonding

Version 1 : Received: 28 April 2018 / Approved: 30 April 2018 / Online: 30 April 2018 (17:45:59 CEST)

A peer-reviewed article of this Preprint also exists.

Trojanová, Z.; Halmešová, K.; Drozd, Z.; Šíma, V.; Lukáč, P.; Džugan, J.; Minárik, P. Thermal Conductivity of an AZ31 Sheet after Accumulative Roll Bonding. Crystals 2018, 8, 278. Trojanová, Z.; Halmešová, K.; Drozd, Z.; Šíma, V.; Lukáč, P.; Džugan, J.; Minárik, P. Thermal Conductivity of an AZ31 Sheet after Accumulative Roll Bonding. Crystals 2018, 8, 278.

Abstract

Accumulative roll bonding (ARB) is one of methods of severe plastic deformation which is relevant for industrial production of sheets. While mechanical properties of several magnesium alloys subjected to ARB process have been studied, the physical properties have been reported only for some magnesium alloys. These properties are influenced by the texture developed during the ARB process and the temperature load. In the presented contribution, we studied thermal diffusivity and thermal conductivity of an AZ31 magnesium alloy after 1 and 2 passes through the rolling mill. Thermal diffusivity was measured with the laser-flash method in the temperature range between 20 and 350 °C. Thermal conductivity depends on the number of rolling passes. The microstructure and texture of sheets are significant factors influencing the thermal properties.

Keywords

magnesium alloy; accumulative roll bonding; thermal conductivity; texture

Subject

Engineering, Industrial and Manufacturing Engineering

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