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Zirconia powder, zirconia sintered body, and method for producing zirconia sintered body
A zirconia powder including stabilized zirconia, the stabilized zirconia including zirconia and stabilizers, the stabilizers including a first stabilizer and a second stabilizer, the first stabilizer being CaO, the second stabilizer being at least one selected from the group consisting of Y2O3, Yb2O3, Er2O3, CeO2, Nd2O3, La2O3, and Tb2O3, the total amount of stabilizers in the stabilized zirconia being 2.5-6.5 mol% in terms of oxides, and the total amount of stabilizers in the stabilized zirconia being 2.5-6.5 mol% in terms of oxides. The ratio of [the amount of CaO (mol%)]/[the total amount of stabilizer (mol%)] is from 50% to 98% (inclusive).
一种氧化锆粉末，包含稳定氧化锆，稳定氧化锆含有氧化锆和稳定剂，稳定剂含有第一稳定剂和第二稳定剂，第一稳定剂为CaO，第二稳定剂选自由Y2O3、Yb2O3、Er2O3、CeO2、Nd2O3、La2O3及Tb2O3组成的组中的一种以上，稳定氧化锆中的稳定剂的总量以氧化物换算为2.5mol％以上6.5mol％以下，[CaO的量(mol％)]/[稳定剂的总量(mol％)]的比例为50％以上98％以下。
Zirconia powder, zirconia sintered body, and method for producing zirconia sintered body
A zirconia powder including stabilized zirconia, the stabilized zirconia including zirconia and stabilizers, the stabilizers including a first stabilizer and a second stabilizer, the first stabilizer being CaO, the second stabilizer being at least one selected from the group consisting of Y2O3, Yb2O3, Er2O3, CeO2, Nd2O3, La2O3, and Tb2O3, the total amount of stabilizers in the stabilized zirconia being 2.5-6.5 mol% in terms of oxides, and the total amount of stabilizers in the stabilized zirconia being 2.5-6.5 mol% in terms of oxides. The ratio of [the amount of CaO (mol%)]/[the total amount of stabilizer (mol%)] is from 50% to 98% (inclusive).
一种氧化锆粉末，包含稳定氧化锆，稳定氧化锆含有氧化锆和稳定剂，稳定剂含有第一稳定剂和第二稳定剂，第一稳定剂为CaO，第二稳定剂选自由Y2O3、Yb2O3、Er2O3、CeO2、Nd2O3、La2O3及Tb2O3组成的组中的一种以上，稳定氧化锆中的稳定剂的总量以氧化物换算为2.5mol％以上6.5mol％以下，[CaO的量(mol％)]/[稳定剂的总量(mol％)]的比例为50％以上98％以下。
Zirconia powder, zirconia sintered body, and method for producing zirconia sintered body
氧化锆粉末、氧化锆烧结体以及氧化锆烧结体的制造方法
TAKEDA SATOSHI (author) / KANENISHI KEITA (author)
2024-11-01
Patent
Electronic Resource
Chinese
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Zirconia powder, method for producing zirconia sintered body, and zirconia sintered body
| European Patent Office | 2022