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MAGNESIUM-BASED THERMOELECTRIC CONVERSION MATERIAL, MAGNESIUM-BASED THERMOELECTRIC CONVERSION ELEMENT, AND METHOD FOR PRODUCING MAGNESIUM-BASED THERMOELECTRIC CONVERSION MATERIAL
A magnesium-based thermoelectric conversion material (11) made of a sintered compact of a magnesium compound, in which, in a cross section of the sintered compact, a Si-rich metallic phase (15) having a higher Si concentration than in magnesium compound grains is unevenly distributed in a crystal grain boundary between the magnesium compound grains, an area ratio of the Si-rich metallic phase (15) is in a range of 2.5% or more and 10% or less, and a number density of the Si-rich metallic phase (15) having an area of 1 µm2or more is in a range of 1,800 /mm2or more and 14,000 /mm2or less.
MAGNESIUM-BASED THERMOELECTRIC CONVERSION MATERIAL, MAGNESIUM-BASED THERMOELECTRIC CONVERSION ELEMENT, AND METHOD FOR PRODUCING MAGNESIUM-BASED THERMOELECTRIC CONVERSION MATERIAL
A magnesium-based thermoelectric conversion material (11) made of a sintered compact of a magnesium compound, in which, in a cross section of the sintered compact, a Si-rich metallic phase (15) having a higher Si concentration than in magnesium compound grains is unevenly distributed in a crystal grain boundary between the magnesium compound grains, an area ratio of the Si-rich metallic phase (15) is in a range of 2.5% or more and 10% or less, and a number density of the Si-rich metallic phase (15) having an area of 1 µm2or more is in a range of 1,800 /mm2or more and 14,000 /mm2or less.
MAGNESIUM-BASED THERMOELECTRIC CONVERSION MATERIAL, MAGNESIUM-BASED THERMOELECTRIC CONVERSION ELEMENT, AND METHOD FOR PRODUCING MAGNESIUM-BASED THERMOELECTRIC CONVERSION MATERIAL
THERMOELEKTRISCHES MAGNESIUMUM-BASIERTE WANDLUNGSMATERIAL, THERMOELEKTRISCHES MAGNESIUMUM-BASIERTE WANDLUNGSELEMENT UND VERFAHREN ZUR HERSTELLUNG VON THERMOELEKTRISCHEM MAGNESIUMUM-BASIERTE WANDLUNGSMATERIAL
MATÉRIAU DE CONVERSION THERMOÉLECTRIQUE À BASE DE MAGNÉSIUM, ÉLÉMENT DE CONVERSION THERMOÉLECTRIQUE À BASE DE MAGNÉSIUM, ET PROCÉDÉ DE PRODUCTION DE MATÉRIAU DE CONVERSION THERMOÉLECTRIQUE À BASE DE MAGNÉSIUM
NAKADA YOSHINOBU (Autor:in)
05.10.2022
Patent
Elektronische Ressource
Englisch
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