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THERMOELECTRIC CONVERSION MATERIAL, THERMOELECTRIC CONVERSION MODULE, AND METHOD OF MANUFACTURING THERMOELECTRIC CONVERSION MATERIAL
To provide a thermoelectric conversion material made of a sintered body containing magnesium silicide as a main component, having excellent thermoelectric conversion performance over a wide temperature range and having further excellent durability when used in high temperature conditions, and also to provide a thermoelectric conversion element, a thermoelectric conversion module and a method of manufacturing the thermoelectric conversion material.SOLUTION: Disclosed is a thermoelectric conversion material made of a sintered body containing magnesium silicide as a main component. This material contains an aluminum oxide in a range of 0.5 mass% or more and 10 mass% or less, and the aluminum oxide is unevenly distributed in the crystal grain boundaries of the magnesium silicide.SELECTED DRAWING: None
【課題】マグネシウムシリサイドを主成分とする焼結体からなり、広い温度範囲で優れた熱電変換性能を有し、さらに、高温条件で使用した際の耐久性に優れた熱電変換材料、熱電変換素子、熱電変換モジュール、及び、この熱電変換材料の製造方法を提供する。【解決手段】マグネシウムシリサイドを主成分とする焼結体からなる熱電変換材料であって、アルミニウム酸化物を０．５ｍａｓｓ％以上１０ｍａｓｓ％以下の範囲内で含有しており、前記アルミニウム酸化物は、前記マグネシウムシリサイドの結晶粒界に偏在していることを特徴とする。【選択図】なし
THERMOELECTRIC CONVERSION MATERIAL, THERMOELECTRIC CONVERSION MODULE, AND METHOD OF MANUFACTURING THERMOELECTRIC CONVERSION MATERIAL
To provide a thermoelectric conversion material made of a sintered body containing magnesium silicide as a main component, having excellent thermoelectric conversion performance over a wide temperature range and having further excellent durability when used in high temperature conditions, and also to provide a thermoelectric conversion element, a thermoelectric conversion module and a method of manufacturing the thermoelectric conversion material.SOLUTION: Disclosed is a thermoelectric conversion material made of a sintered body containing magnesium silicide as a main component. This material contains an aluminum oxide in a range of 0.5 mass% or more and 10 mass% or less, and the aluminum oxide is unevenly distributed in the crystal grain boundaries of the magnesium silicide.SELECTED DRAWING: None
【課題】マグネシウムシリサイドを主成分とする焼結体からなり、広い温度範囲で優れた熱電変換性能を有し、さらに、高温条件で使用した際の耐久性に優れた熱電変換材料、熱電変換素子、熱電変換モジュール、及び、この熱電変換材料の製造方法を提供する。【解決手段】マグネシウムシリサイドを主成分とする焼結体からなる熱電変換材料であって、アルミニウム酸化物を０．５ｍａｓｓ％以上１０ｍａｓｓ％以下の範囲内で含有しており、前記アルミニウム酸化物は、前記マグネシウムシリサイドの結晶粒界に偏在していることを特徴とする。【選択図】なし
THERMOELECTRIC CONVERSION MATERIAL, THERMOELECTRIC CONVERSION MODULE, AND METHOD OF MANUFACTURING THERMOELECTRIC CONVERSION MATERIAL
熱電変換材料、熱電変換素子、熱電変換モジュール、及び、熱電変換材料の製造方法
NAKADA YOSHINOBU (author)
2019-01-24
Patent
Electronic Resource
Japanese
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