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Preparation method and application of spinel structure high-entropy oxide material
The invention discloses a preparation method and application of a spinel-structured high-entropy oxide, the chemical formula of the high-entropy oxide powder is (Co, Mn, Fe, Cr, Ni, Cu, Al) 3O4, the molar ratio of Co: Mn: Fe: Cr: Ni: Cu: Al is 1: 1: 1: 1: 1: x: y, and x and y are respectively 0-1 and 0-1. The invention provides the spinel structure high-entropy oxide with brand new composition, and the high-entropy powder prepared by the method has high infrared emissivity (greater than 0.88) and has application potential in the field of thermal kiln energy conservation and the field of aerospace thermal protection. Besides, cheap aluminum sulfate potassium dodecahydrate is adopted as a precursor of aluminum cations, and a solid-phase sintering method is combined, so that the calcining temperature can be reduced, and the method has the characteristics of simple process and easiness in industrial production.
本发明公开了一种尖晶石结构高熵氧化物的制备方法和应用，该高熵氧化物粉体的化学式为(Co,Mn,Fe,Cr,Ni,Cu,Al)3O4，其中按照摩尔比，Co:Mn:Fe:Cr:Ni:Cu:Al＝1:1:1:1:1:x:y，x和y分别为0～1和0～1。本发明提出了一种全新组成的尖晶石结构高熵氧化物，本发明制备的高熵粉体具有高的红外发射率(大于0.88)，在热工窑炉节能领域和航空航天热防护领域具有应用潜力。此外，本发明采用廉价的十二水硫酸铝钾盐作为铝阳离子的前驱体并结合固相烧结法，可降低煅烧温度，具有工艺简单、易工业化生产的特点。
Preparation method and application of spinel structure high-entropy oxide material
The invention discloses a preparation method and application of a spinel-structured high-entropy oxide, the chemical formula of the high-entropy oxide powder is (Co, Mn, Fe, Cr, Ni, Cu, Al) 3O4, the molar ratio of Co: Mn: Fe: Cr: Ni: Cu: Al is 1: 1: 1: 1: 1: x: y, and x and y are respectively 0-1 and 0-1. The invention provides the spinel structure high-entropy oxide with brand new composition, and the high-entropy powder prepared by the method has high infrared emissivity (greater than 0.88) and has application potential in the field of thermal kiln energy conservation and the field of aerospace thermal protection. Besides, cheap aluminum sulfate potassium dodecahydrate is adopted as a precursor of aluminum cations, and a solid-phase sintering method is combined, so that the calcining temperature can be reduced, and the method has the characteristics of simple process and easiness in industrial production.
本发明公开了一种尖晶石结构高熵氧化物的制备方法和应用，该高熵氧化物粉体的化学式为(Co,Mn,Fe,Cr,Ni,Cu,Al)3O4，其中按照摩尔比，Co:Mn:Fe:Cr:Ni:Cu:Al＝1:1:1:1:1:x:y，x和y分别为0～1和0～1。本发明提出了一种全新组成的尖晶石结构高熵氧化物，本发明制备的高熵粉体具有高的红外发射率(大于0.88)，在热工窑炉节能领域和航空航天热防护领域具有应用潜力。此外，本发明采用廉价的十二水硫酸铝钾盐作为铝阳离子的前驱体并结合固相烧结法，可降低煅烧温度，具有工艺简单、易工业化生产的特点。
Preparation method and application of spinel structure high-entropy oxide material
一种尖晶石结构高熵氧化物材料的制备方法和应用
ZHANG FAMING (author) / WAN QIFA (author)
2024-09-06
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
/
B64C
AEROPLANES
,
Flugzeuge
/
B64G
Raumfahrt
,
COSMONAUTICS
/
F27D
Einzelheiten oder Zubehör für Industrieöfen, Schachtöfen, Brennöfen oder Retorten, soweit sie nicht auf eine Ofenart eingeschränkt sind
,
DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
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