Back to results
US 2023/0391676 A1Published application
Sintered body
AssigneeNippon Yttrium Co., Ltd.
InventorsKento MATSUKURA, Yoshiaki TAZAKI, Minami DAN
Life of this patent
Estimating the term…
Abstract
A sintered body contains perovskite YAlO3 (YAP) as a main phase exhibited in X-ray diffractometry, and has a Vickers hardness of 11 GPa or more. In the case where the sintered body contains a composition other than YAlO3, the composition preferably substantially consists of Y3Al5O12 and Y4Al2O9. The sintered body preferably has an absolute density of 5.1 g/cm3 or more. The sintered body preferably has an open porosity of 1% or less, and also preferably has an average crystal grain size of 10 μm or less.
Claims9
A sintered body comprising perovskite YAlO3 as a main phase,
- wherein the sintered body has a Vickers hardness of 11 GPa or more.
Dependencies are inferred from the claim text.