Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
High-entropy zirconate ceramic and preparation method thereof
The invention belongs to the technical field of nuclide solidification, and particularly relates to high-entropy zirconate ceramic and a preparation method thereof. According to the high-entropy zirconate ceramic prepared by the invention, lanthanide and actinide nuclides can be dissolved in a solid solution in a lattice structure of a solidified body, and the high-entropy zirconate ceramic has a uniform solid solution phase, stable components and high density. The high-entropy ceramic is introduced into the field of nuclear waste curing, the problem that the ceramic curing nuclide type is single can be solved, the performance of the high-entropy ceramic can be adjusted, the stability of crystal lattices in the radiation process can be improved by means of the characteristics of atomic scattering, lattice distortion and low heat dissipation of the high-entropy ceramic, and the high-entropy ceramic is obtained. And the ion leaching resistance of the solid solution can be improved by utilizing the slow diffusion effect and lattice distortion characteristics. The excellent material performance enables the high-entropy zirconate ceramic to have great application potential in the field of nuclear waste curing.
本发明属于核素固化技术领域，具体涉及一种高熵锆酸盐陶瓷及其制备方法。本发明制备的高熵锆酸盐陶瓷可以将镧系和锕系核素均固溶进固化体晶格结构中，具有均一固溶体相，组元稳定且致密度高。本发明将高熵陶瓷引入核废料固化领域，不仅可以解决陶瓷固化核素种类单一问题，而且可以调节其性能，利用其原子散射、晶格畸变和低散热的特性可以提高晶格在辐射过程中的稳定性，利用其缓慢扩散效应和晶格畸变的特性可以提高固溶体的离子抗浸出能力。优异的材料性能使得高熵锆酸盐陶瓷在核废料固化领域具有很大应用潜力。
High-entropy zirconate ceramic and preparation method thereof
The invention belongs to the technical field of nuclide solidification, and particularly relates to high-entropy zirconate ceramic and a preparation method thereof. According to the high-entropy zirconate ceramic prepared by the invention, lanthanide and actinide nuclides can be dissolved in a solid solution in a lattice structure of a solidified body, and the high-entropy zirconate ceramic has a uniform solid solution phase, stable components and high density. The high-entropy ceramic is introduced into the field of nuclear waste curing, the problem that the ceramic curing nuclide type is single can be solved, the performance of the high-entropy ceramic can be adjusted, the stability of crystal lattices in the radiation process can be improved by means of the characteristics of atomic scattering, lattice distortion and low heat dissipation of the high-entropy ceramic, and the high-entropy ceramic is obtained. And the ion leaching resistance of the solid solution can be improved by utilizing the slow diffusion effect and lattice distortion characteristics. The excellent material performance enables the high-entropy zirconate ceramic to have great application potential in the field of nuclear waste curing.
本发明属于核素固化技术领域，具体涉及一种高熵锆酸盐陶瓷及其制备方法。本发明制备的高熵锆酸盐陶瓷可以将镧系和锕系核素均固溶进固化体晶格结构中，具有均一固溶体相，组元稳定且致密度高。本发明将高熵陶瓷引入核废料固化领域，不仅可以解决陶瓷固化核素种类单一问题，而且可以调节其性能，利用其原子散射、晶格畸变和低散热的特性可以提高晶格在辐射过程中的稳定性，利用其缓慢扩散效应和晶格畸变的特性可以提高固溶体的离子抗浸出能力。优异的材料性能使得高熵锆酸盐陶瓷在核废料固化领域具有很大应用潜力。
High-entropy zirconate ceramic and preparation method thereof
一种高熵锆酸盐陶瓷及其制备方法
ZHU YONGCHANG (Autor:in) / DU ZHANYUAN (Autor:in) / WANG HUA (Autor:in) / YANG DEBO (Autor:in) / CUI ZHU (Autor:in) / YUE HANWEI (Autor:in) / ZHAO KUN (Autor:in) / JIAO YUNJIE (Autor:in) / ZHAO YONGXIANG (Autor:in) / DONG XUANJIANG (Autor:in)
13.02.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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