Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Super-multielement high-entropy ceramic as well as preparation method and application thereof
The invention belongs to the technical field of ceramic materials, and discloses super-multielement high-entropy ceramic as well as a preparation method and application thereof. The molecular formula of the high-entropy ceramic is (HfxZryTazNbaMobWcVdTieCrf)B2, wherein 0
本发明属于陶瓷材料技术领域，公开了一种超多元高熵陶瓷及其制备方法和应用。该高熵陶瓷的分子式为(HfxZryTazNbaMobWcVdTieCrf)B2，其中0＜x＜1，0＜y＜1，0＜z＜1，0＜a＜1，0＜b＜1，0＜c＜1，0＜d＜1，0＜e＜1，0＜f＜1且满足x+y+z+a+b+c+d+e+f＝1；将HfO2、ZrO2、Ta2O5、Nb2O5、MoO3、WO3、V2O5、TiO2、Cr2O3和无定形硼粉加入有机溶剂中进行混合，干燥后将所得混合粉体制成坯体，真空条件下在1400～1600℃保温，制得陶瓷粉末；采用放电等离子烧结将陶瓷粉末在1000～1400℃时充入保护气氛，加压10～100MPa，在1800～2200℃煅烧制得。该超多元高熵陶瓷的相对密度＞95％，硬度为32～45GPa，室温强度1000～1500MPa。
Super-multielement high-entropy ceramic as well as preparation method and application thereof
The invention belongs to the technical field of ceramic materials, and discloses super-multielement high-entropy ceramic as well as a preparation method and application thereof. The molecular formula of the high-entropy ceramic is (HfxZryTazNbaMobWcVdTieCrf)B2, wherein 0
本发明属于陶瓷材料技术领域，公开了一种超多元高熵陶瓷及其制备方法和应用。该高熵陶瓷的分子式为(HfxZryTazNbaMobWcVdTieCrf)B2，其中0＜x＜1，0＜y＜1，0＜z＜1，0＜a＜1，0＜b＜1，0＜c＜1，0＜d＜1，0＜e＜1，0＜f＜1且满足x+y+z+a+b+c+d+e+f＝1；将HfO2、ZrO2、Ta2O5、Nb2O5、MoO3、WO3、V2O5、TiO2、Cr2O3和无定形硼粉加入有机溶剂中进行混合，干燥后将所得混合粉体制成坯体，真空条件下在1400～1600℃保温，制得陶瓷粉末；采用放电等离子烧结将陶瓷粉末在1000～1400℃时充入保护气氛，加压10～100MPa，在1800～2200℃煅烧制得。该超多元高熵陶瓷的相对密度＞95％，硬度为32～45GPa，室温强度1000～1500MPa。
Super-multielement high-entropy ceramic as well as preparation method and application thereof
一种超多元高熵陶瓷及其制备方法和应用
GUO WEIMING (Autor:in) / ZHANG YAN (Autor:in) / ZHANG WEI (Autor:in) / XU LIANG (Autor:in) / LIN HUATAI (Autor:in)
20.04.2021
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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