Influence of texture on the thermal expansion coefficient of Mg/BN nanocomposite

Magnesium with 3 vol% of BN nanoparticles was prepared by milling, compacting and hot extrusion. Pure Mg samples were also compacted and hot extruded under the same conditions. Thermal expansion of cylindrical samples was measured over a wide temperature range from room temperature to 400 °C. The temperature dependence of the thermal expansion coefficient of both nanocomposite and extruded Mg differs from the dependence obtained for...