THERMOELECTRIC MATERIALS DEFORMED BY CRYOGENIC IMPACT AND PROCESS FOR PREPARING THE SAME

摘要

PURPOSE: A thermoelectric material which is deformed with low temperature and a manufacturing method thereof are provided to improve performance of the thermoelectric material with a flat anisotropy fine structure. CONSTITUTION: A composite precursor includes thermoelectric powder(2) and powder with thermal and electrical insulation properties. The composite precursor is packed and sealed after being introduced into a metal jacket(1). A cold shock(4) is applied to the metal jacket which includes the thermoelectric powder within a supporter(5). A fine structure of the thermoelectric powder is deformed. The cold shock is performed at a temperature of approximately 0°C or less.