Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
The invention discloses a multi-element toughened zirconia-based ceramic material and a preparation method thereof. The prepared material is a multi-element toughened zirconia-based ceramic material,the chemical composition of the material is ZraYbbCecScdYeOx, wherein a is 88.1-94.1, b is 4-5, c is 1-2, d is 0.5-1.5, e is 1-3, and x meets the total number of oxygen atoms required by valence of other elements. The material provided by the invention has the characteristics of relatively high phase stability, high toughness and compactness, the highest fracture toughness of the material can reach 12.34 MPa*m<1/2>, and the highest hardness is 1120 HV10; the bending strength is 910.4 MPa; and the compactness is 98.2%.
本发明公开了一种多种元素增韧氧化锆基陶瓷材料及其制备方法。制备的材料为一种多种元素增韧氧化锆基陶瓷材料，材料的化学组成为ZrYbCeScYO，其中a＝88.1～94.1，b＝4～5，c＝1～2，d＝0.5～1.5，e＝1～3，x满足其它元素化合价所需的氧原子总数。本发明提供的材料具有较高的相稳定性、高韧性、致密性的特点，该材料的最高断裂韧性可达12.34MPa·m，最高的硬度为1120HV；抗弯强度为910.4MPa；致密性为98.2％。
The invention discloses a multi-element toughened zirconia-based ceramic material and a preparation method thereof. The prepared material is a multi-element toughened zirconia-based ceramic material,the chemical composition of the material is ZraYbbCecScdYeOx, wherein a is 88.1-94.1, b is 4-5, c is 1-2, d is 0.5-1.5, e is 1-3, and x meets the total number of oxygen atoms required by valence of other elements. The material provided by the invention has the characteristics of relatively high phase stability, high toughness and compactness, the highest fracture toughness of the material can reach 12.34 MPa*m<1/2>, and the highest hardness is 1120 HV10; the bending strength is 910.4 MPa; and the compactness is 98.2%.
本发明公开了一种多种元素增韧氧化锆基陶瓷材料及其制备方法。制备的材料为一种多种元素增韧氧化锆基陶瓷材料，材料的化学组成为ZrYbCeScYO，其中a＝88.1～94.1，b＝4～5，c＝1～2，d＝0.5～1.5，e＝1～3，x满足其它元素化合价所需的氧原子总数。本发明提供的材料具有较高的相稳定性、高韧性、致密性的特点，该材料的最高断裂韧性可达12.34MPa·m，最高的硬度为1120HV；抗弯强度为910.4MPa；致密性为98.2％。
Preparation method of multi-element toughened zirconia-based ceramic material and product thereof
一种多种元素增韧氧化锆基陶瓷材料的制备方法及其产品
DENG SHAN (Autor:in)
22.09.2020
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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