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Medium-entropy pyrophosphate ceramic material with low thermal conductivity as well as preparation method and application of medium-entropy pyrophosphate ceramic material
The invention provides a medium-entropy pyrophosphate ceramic material with low thermal conductivity and a preparation method and application thereof, and belongs to the technical field of ceramic materials. The preparation method comprises the following steps: mixing ammonium dihydrogen phosphate, zirconium oxide, yttrium oxide and niobium oxide, grinding, drying and carrying out heat treatment to obtain a powder raw material; mixing the powder raw material with a sintering aid, grinding and drying to obtain a ceramic raw material; carrying out compression molding on the ceramic raw material, and sintering to obtain the medium-entropy pyrophosphate ceramic material. The preparation method provided by the invention has the characteristics of simple process, short production period and environmental friendliness; and the prepared medium-entropy pyrophosphate ceramic material has the characteristics of low dielectric constant, low dielectric loss, low thermal conductivity, stable thermal expansion coefficient and no structural phase change.
本发明提供了一种具有低热导率的中熵焦磷酸盐陶瓷材料及其制备方法与应用，属于陶瓷材料技术领域。本发明将磷酸二氢铵、氧化锆、氧化钇和氧化铌混合后进行研磨、烘干、热处理，得到粉体原料；将所述粉体原料与烧结助剂混合后，研磨、烘干，得到陶瓷原料；将所述陶瓷原料压制成型后进行烧结，得到所述的中熵焦磷酸盐陶瓷材料。本发明提供的制备方法具有工艺简单、生产周期短和环境友好的特点，所制备的中熵焦磷酸盐陶瓷材料具有低介电常数、低介电损耗、低热导率、热膨胀系数稳定、无结构相变的特点。
Medium-entropy pyrophosphate ceramic material with low thermal conductivity as well as preparation method and application of medium-entropy pyrophosphate ceramic material
The invention provides a medium-entropy pyrophosphate ceramic material with low thermal conductivity and a preparation method and application thereof, and belongs to the technical field of ceramic materials. The preparation method comprises the following steps: mixing ammonium dihydrogen phosphate, zirconium oxide, yttrium oxide and niobium oxide, grinding, drying and carrying out heat treatment to obtain a powder raw material; mixing the powder raw material with a sintering aid, grinding and drying to obtain a ceramic raw material; carrying out compression molding on the ceramic raw material, and sintering to obtain the medium-entropy pyrophosphate ceramic material. The preparation method provided by the invention has the characteristics of simple process, short production period and environmental friendliness; and the prepared medium-entropy pyrophosphate ceramic material has the characteristics of low dielectric constant, low dielectric loss, low thermal conductivity, stable thermal expansion coefficient and no structural phase change.
本发明提供了一种具有低热导率的中熵焦磷酸盐陶瓷材料及其制备方法与应用，属于陶瓷材料技术领域。本发明将磷酸二氢铵、氧化锆、氧化钇和氧化铌混合后进行研磨、烘干、热处理，得到粉体原料；将所述粉体原料与烧结助剂混合后，研磨、烘干，得到陶瓷原料；将所述陶瓷原料压制成型后进行烧结，得到所述的中熵焦磷酸盐陶瓷材料。本发明提供的制备方法具有工艺简单、生产周期短和环境友好的特点，所制备的中熵焦磷酸盐陶瓷材料具有低介电常数、低介电损耗、低热导率、热膨胀系数稳定、无结构相变的特点。
Medium-entropy pyrophosphate ceramic material with low thermal conductivity as well as preparation method and application of medium-entropy pyrophosphate ceramic material
一种具有低热导率的中熵焦磷酸盐陶瓷材料及其制备方法与应用
CHEN DONGXIA (author) / YAN XIAOFEI (author) / YANG MENGJIE (author) / GAO QINGHUI (author) / WANG XIANLI (author) / FU LINJIE (author) / YU ZHANJUN (author) / LI MINGYU (author)
2024-10-01
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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