Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Nano high-entropy oxide ceramic powder and preparation method thereof
The invention provides nano high-entropy oxide ceramic powder and a preparation method thereof. The preparation method comprises the following steps: (1) preparing raw materials, namely preparing micron-sized powder TiC, ZrC, HfC, NbC and TaC from the raw materials; (2) proportioning various raw material powders according to equal molar molecular weight, and carrying out ball milling to obtain carbide ceramic mixed powder; (3) carrying out hot pressed sintering on the prepared ball-milled powder to obtain the single-phase high-entropy carbide ceramic, (4) crushing the single-phase high-entropy carbide ceramic in a mechanical manner; and (5) oxidizing the crushed single-phase high-entropy carbide ceramic powder to obtain the nano high-entropy oxide ceramic powder. The invention provides a brand new preparation route for the preparation of the nano high-entropy oxide ceramic, and the prepared nano high-entropy oxide ceramic powder can be applied to materials required by future energy and environment.
本发明提供纳米高熵氧化物陶瓷粉体及其制备方法，包括以下步骤：(1)原料准备，原料微米级粉体TiC、ZrC、HfC、NbC、TaC；(2)将上述各种原料粉体按等摩尔分子量进行配比，球磨，得到碳化物陶瓷混合粉体；(3)将上述所制得的球磨粉体进行热压烧结，得到单相高熵碳化物陶瓷；(4)将单相高熵碳化物陶瓷采用机械方式进行破碎；(5)将破碎的单相高熵碳化物陶瓷粉体氧化，获得纳米高熵氧化物陶瓷粉体。本发明为纳米高熵氧化物陶瓷的制备提供一种全新的制备路线，制备的纳米高熵氧化物陶瓷粉体可以在未来能源、环境所需的材料上应用。
Nano high-entropy oxide ceramic powder and preparation method thereof
The invention provides nano high-entropy oxide ceramic powder and a preparation method thereof. The preparation method comprises the following steps: (1) preparing raw materials, namely preparing micron-sized powder TiC, ZrC, HfC, NbC and TaC from the raw materials; (2) proportioning various raw material powders according to equal molar molecular weight, and carrying out ball milling to obtain carbide ceramic mixed powder; (3) carrying out hot pressed sintering on the prepared ball-milled powder to obtain the single-phase high-entropy carbide ceramic, (4) crushing the single-phase high-entropy carbide ceramic in a mechanical manner; and (5) oxidizing the crushed single-phase high-entropy carbide ceramic powder to obtain the nano high-entropy oxide ceramic powder. The invention provides a brand new preparation route for the preparation of the nano high-entropy oxide ceramic, and the prepared nano high-entropy oxide ceramic powder can be applied to materials required by future energy and environment.
本发明提供纳米高熵氧化物陶瓷粉体及其制备方法，包括以下步骤：(1)原料准备，原料微米级粉体TiC、ZrC、HfC、NbC、TaC；(2)将上述各种原料粉体按等摩尔分子量进行配比，球磨，得到碳化物陶瓷混合粉体；(3)将上述所制得的球磨粉体进行热压烧结，得到单相高熵碳化物陶瓷；(4)将单相高熵碳化物陶瓷采用机械方式进行破碎；(5)将破碎的单相高熵碳化物陶瓷粉体氧化，获得纳米高熵氧化物陶瓷粉体。本发明为纳米高熵氧化物陶瓷的制备提供一种全新的制备路线，制备的纳米高熵氧化物陶瓷粉体可以在未来能源、环境所需的材料上应用。
Nano high-entropy oxide ceramic powder and preparation method thereof
纳米高熵氧化物陶瓷粉体及其制备方法
XU SHUAI (Autor:in) / LI BINGSHENG (Autor:in) / DAI YATANG (Autor:in) / LIAO QING (Autor:in)
14.01.2022
Patent
Elektronische Ressource
Chinesisch
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