abstract |
The sintered body of the present invention contains oxyfluoride of cerium. The oxyfluoride of cerium is preferably YOF and/or Y5O4F7. It is preferable that the sintered body of the present invention contains 50% by mass or more of lanthanum oxyfluoride. The sintered body of the present invention preferably has a relative density of 70% or more, and preferably has an open porosity of 10% or less. Further, it is also preferred that the sintered body of the present invention has a three-point bending strength of 10 MPa or more and 300 MPa or less. |