Title:
SINTERED BODY AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2022/168731
Kind Code:
A1
Abstract:
Provided is a sintered body characterized by: comprising zirconia that contains a solid solution of one or more types of stabilizing elements selected from among scandium, yttrium, and lanthanoid rare earth elements and that has a tetragonal crystal structure as a main phase; and having a relative density of 99.9% or higher, wherein the zirconia (a) has an average crystal grain size of 10-100 nm and is non-oriented, or (b) has an average crystal grain size of 100-1000 nm and has an orientation degree of 90% or more in one of the (100) plane and the (001) plane.
Inventors:
IKESUE AKIO (JP)
MATSUI KOJI (JP)
IKUHARA YUICHI (JP)
MATSUI KOJI (JP)
IKUHARA YUICHI (JP)
Application Number:
PCT/JP2022/003126
Publication Date:
August 11, 2022
Filing Date:
January 27, 2022
Export Citation:
Assignee:
UNIV TOKYO (JP)
WORLD LAB CO LTD (JP)
TOSOH CORP (JP)
WORLD LAB CO LTD (JP)
TOSOH CORP (JP)
International Classes:
C04B35/486; C04B35/645; G06F3/041; G09F9/00
Domestic Patent References:
| WO2020217942A1 | 2020-10-29 | |||
| WO2008013099A1 | 2008-01-31 | |||
| WO2020179877A1 | 2020-09-10 |
Foreign References:
| JP2008214168A | 2008-09-18 | |||
| JP2020521709A | 2020-07-27 | |||
| JP2012174053A | 2012-09-10 | |||
| JP2015221727A | 2015-12-10 | |||
| JP2006315878A | 2006-11-24 | |||
| JP2016117618A | 2016-06-30 | |||
| JPH11240754A | 1999-09-07 | |||
| JP2003112974A | 2003-04-18 | |||
| CN108751989A | 2018-11-06 |
Attorney, Agent or Firm:
TAKAOKA Ryoichi et al. (JP)
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