JP7767462B2 - ジルコニア焼結体及びその製造方法 - Google Patents

ジルコニア焼結体及びその製造方法

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Publication number
JP7767462B2
JP7767462B2 JP2023571005A JP2023571005A JP7767462B2 JP 7767462 B2 JP7767462 B2 JP 7767462B2 JP 2023571005 A JP2023571005 A JP 2023571005A JP 2023571005 A JP2023571005 A JP 2023571005A JP 7767462 B2 JP7767462 B2 JP 7767462B2
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Prior art keywords
zirconia
particle size
powder
peak top
frequency
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Japanese (ja)
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JPWO2023127793A1 (https=
JPWO2023127793A5 (https=
Inventor
貴広 丹羽
信介 樫木
貴理博 中野
承央 伊藤
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Kuraray Noritake Dental Inc
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Kuraray Noritake Dental Inc
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    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F17/00—Compounds of rare earth metals
    • C01F17/20—Compounds containing only rare earth metals as the metal element
    • C01F17/206—Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion
    • C01F17/218—Yttrium oxides or hydroxides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
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    • C01G25/02—Oxides
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/48—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on zirconium or hafnium oxides, zirconates, zircon or hafnates
    • C04B35/486—Fine ceramics
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/62605—Treating the starting powders individually or as mixtures
    • C04B35/6261—Milling
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
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    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
    • C04B35/638—Removal thereof
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    • C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
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    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
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    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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    • C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
    • C04B2235/3244—Zirconium oxides, zirconates, hafnium oxides, hafnates, or oxide-forming salts thereof
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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Structural Engineering (AREA)
  • Materials Engineering (AREA)
  • Composite Materials (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Compositions Of Oxide Ceramics (AREA)
JP2023571005A 2021-12-27 2022-12-26 ジルコニア焼結体及びその製造方法 Active JP7767462B2 (ja)

Applications Claiming Priority (3)

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JP2021213271 2021-12-27
JP2021213271 2021-12-27
PCT/JP2022/047908 WO2023127793A1 (ja) 2021-12-27 2022-12-26 ジルコニア焼結体及びその製造方法

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JPWO2023127793A1 JPWO2023127793A1 (https=) 2023-07-06
JPWO2023127793A5 JPWO2023127793A5 (https=) 2024-09-11
JP7767462B2 true JP7767462B2 (ja) 2025-11-11

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US (1) US20250136517A1 (https=)
EP (1) EP4458773A4 (https=)
JP (1) JP7767462B2 (https=)
KR (1) KR20240110088A (https=)
CN (1) CN118451052A (https=)
WO (1) WO2023127793A1 (https=)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009269812A (ja) 2008-04-09 2009-11-19 Tosoh Corp 透光性ジルコニア焼結体及びその製造方法並びに用途
JP2010514665A (ja) 2006-12-29 2010-05-06 スリーエム イノベイティブ プロパティズ カンパニー ジルコニア体及び方法
JP2011073907A (ja) 2009-09-29 2011-04-14 World Lab:Kk ジルコニア焼結体及びその製造方法
WO2014142080A1 (ja) 2013-03-11 2014-09-18 クラレノリタケデンタル株式会社 ジルコニア焼結体、並びにジルコニアの組成物及び仮焼体
JP2015143178A (ja) 2013-12-24 2015-08-06 東ソー株式会社 透光性ジルコニア焼結体及びジルコニア粉末、並びにその用途
WO2018056330A1 (ja) 2016-09-20 2018-03-29 クラレノリタケデンタル株式会社 ジルコニア組成物、仮焼体及び焼結体、並びにそれらの製造方法
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