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High-entropy rare-earth zirconate ceramic with excellent thermal physical property and high mechanical property and preparation method of high-entropy rare-earth zirconate ceramic
The invention relates to a high-entropy rare earth zirconate ceramic with excellent thermal physical properties and high mechanical properties and a preparation method thereof. The chemical formula of the ceramic material is (La < 0.2 > Nd < 0.2 > Sm < 0.2 > Gd < 0.2 > Ho < (0.2-x) Er < x >) < 2 > Zr < 2 > O < 7 >, wherein the value range of x is 0 to 0.2. Through a specific formula and process parameters, the prepared high-entropy rare earth zirconate ceramic has a uniform phase structure, uniform element distribution, low thermal conductivity and a high thermal expansion coefficient, and shows excellent hardness and fracture toughness. The material is suitable for the fields of high-temperature structural components, wear-resistant coatings and the like, and has wide industrial application potential. The preparation method comprises the steps of ball milling, drying, granulating, forming, sintering and the like, and the ceramic material with excellent performance is finally obtained by optimizing parameters of each step.
本发明涉及一种具有优异热物理性能和高机械性能的高熵稀土锆酸盐陶瓷及其制备方法。该陶瓷材料的化学式为(La0.2Nd0.2Sm0.2Gd0.2Ho(0.2‑x)Erx)2Zr2O7，其中x的取值范围为0至0.2。通过特定的配方和工艺参数，制备得到的高熵稀土锆酸盐陶瓷具有均一的相结构、均匀的元素分布、低热导率和高热膨胀系数，并展现出优异的硬度和断裂韧性。该材料适用于高温结构部件、耐磨涂层等领域，具有广泛的工业应用潜力。制备方法包括球磨、烘干、造粒、成型及烧结等步骤，通过优化各步骤参数，最终获得性能卓越的陶瓷材料。
High-entropy rare-earth zirconate ceramic with excellent thermal physical property and high mechanical property and preparation method of high-entropy rare-earth zirconate ceramic
The invention relates to a high-entropy rare earth zirconate ceramic with excellent thermal physical properties and high mechanical properties and a preparation method thereof. The chemical formula of the ceramic material is (La < 0.2 > Nd < 0.2 > Sm < 0.2 > Gd < 0.2 > Ho < (0.2-x) Er < x >) < 2 > Zr < 2 > O < 7 >, wherein the value range of x is 0 to 0.2. Through a specific formula and process parameters, the prepared high-entropy rare earth zirconate ceramic has a uniform phase structure, uniform element distribution, low thermal conductivity and a high thermal expansion coefficient, and shows excellent hardness and fracture toughness. The material is suitable for the fields of high-temperature structural components, wear-resistant coatings and the like, and has wide industrial application potential. The preparation method comprises the steps of ball milling, drying, granulating, forming, sintering and the like, and the ceramic material with excellent performance is finally obtained by optimizing parameters of each step.
本发明涉及一种具有优异热物理性能和高机械性能的高熵稀土锆酸盐陶瓷及其制备方法。该陶瓷材料的化学式为(La0.2Nd0.2Sm0.2Gd0.2Ho(0.2‑x)Erx)2Zr2O7，其中x的取值范围为0至0.2。通过特定的配方和工艺参数，制备得到的高熵稀土锆酸盐陶瓷具有均一的相结构、均匀的元素分布、低热导率和高热膨胀系数，并展现出优异的硬度和断裂韧性。该材料适用于高温结构部件、耐磨涂层等领域，具有广泛的工业应用潜力。制备方法包括球磨、烘干、造粒、成型及烧结等步骤，通过优化各步骤参数，最终获得性能卓越的陶瓷材料。
High-entropy rare-earth zirconate ceramic with excellent thermal physical property and high mechanical property and preparation method of high-entropy rare-earth zirconate ceramic
一种具有优异热物理性能，高机械性能的高熵稀土锆酸盐陶瓷及其制备方法
WEN WEI (author) / ZHAO SITING (author) / WANG ZHIHAO (author) / MA XINGYUN (author)
2024-11-01
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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Thermal spraying spherical high-entropy rare earth zirconate powder and preparation method thereof
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