JP7475563B2 - ジルコニア焼結体とその製造方法 - Google Patents

ジルコニア焼結体とその製造方法 Download PDF

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JP7475563B2
JP7475563B2 JP2023569375A JP2023569375A JP7475563B2 JP 7475563 B2 JP7475563 B2 JP 7475563B2 JP 2023569375 A JP2023569375 A JP 2023569375A JP 2023569375 A JP2023569375 A JP 2023569375A JP 7475563 B2 JP7475563 B2 JP 7475563B2
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sintered body
zirconia
zirconia sintered
yttria
mol
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JPWO2023120371A5 (https=
JPWO2023120371A1 (https=
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瑛 川合
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Hitachi Construction Machinery Co Ltd
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KCM Corp
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    • C—CHEMISTRY; METALLURGY
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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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C13/00—Dental prostheses; Making same
    • A61C13/08—Artificial teeth; Making same
    • A61C13/083—Porcelain or ceramic teeth
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C13/00—Dental prostheses; Making same
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C13/00—Dental prostheses; Making same
    • A61C13/01—Palates or other bases or supports for the artificial teeth; Making same
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C13/00—Dental prostheses; Making same
    • A61C13/08—Artificial teeth; Making same
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C13/00—Dental prostheses; Making same
    • A61C13/225—Fastening prostheses in the mouth
    • A61C13/26—Dentures without palates; Partial dentures, e.g. bridges
    • C—CHEMISTRY; METALLURGY
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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
    • C04B35/488—Composites
    • C04B35/4885—Composites with aluminium oxide
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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
    • C04B35/62645—Thermal treatment of powders or mixtures thereof other than sintering
    • C04B35/62675—Thermal treatment of powders or mixtures thereof other than sintering characterised by the treatment temperature
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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
    • C04B35/64—Burning or sintering processes
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • 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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    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
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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
    • C04B2235/3231—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
    • C04B2235/3246—Stabilised zirconias, e.g. YSZ or cerium stabilised zirconia
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
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    • C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/66—Specific sintering techniques, e.g. centrifugal sintering
    • C04B2235/661—Multi-step sintering
    • C04B2235/662—Annealing after sintering
    • C04B2235/663—Oxidative annealing
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  • Chemical & Material Sciences (AREA)
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  • Physics & Mathematics (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Dental Prosthetics (AREA)
JP2023569375A 2021-12-20 2022-12-15 ジルコニア焼結体とその製造方法 Active JP7475563B2 (ja)

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JP2021206405 2021-12-20
JP2021206405 2021-12-20
JP2022142199 2022-09-07
JP2022142199 2022-09-07
PCT/JP2022/046221 WO2023120371A1 (ja) 2021-12-20 2022-12-15 ジルコニア焼結体とその製造方法

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JPWO2023120371A5 JPWO2023120371A5 (https=) 2024-04-15
JP7475563B2 true JP7475563B2 (ja) 2024-04-26

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7578866B1 (ja) * 2023-06-02 2024-11-06 共立マテリアル株式会社 ジルコニア焼結体とその製造方法
WO2024247873A1 (ja) * 2023-06-02 2024-12-05 共立マテリアル株式会社 ジルコニア焼結体とその製造方法
CN121889358A (zh) * 2023-09-22 2026-04-17 可乐丽则武齿科株式会社 氧化锆预烧体及其制造方法
WO2025063304A1 (ja) * 2023-09-22 2025-03-27 クラレノリタケデンタル株式会社 ジルコニア仮焼体及びその製造方法
CN121889357A (zh) * 2023-09-22 2026-04-17 可乐丽则武齿科株式会社 氧化锆预烧体

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006513963A (ja) 2002-07-19 2006-04-27 ヴィタ・ツァーンファブリック・ハー・ラウテル・ ゲーエムベーハー・ウント・コー・カーゲー 超高周波電磁波を使用するセラミックス材料の高密度化及びその方法を行うための容器
US20070023971A1 (en) 2004-09-01 2007-02-01 Subrata Saha Method of microwave processing ceramics and microwave hybrid heating system for same
JP2018052806A (ja) 2016-09-21 2018-04-05 東ソー株式会社 ジルコニア焼結体及びその製造方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006513963A (ja) 2002-07-19 2006-04-27 ヴィタ・ツァーンファブリック・ハー・ラウテル・ ゲーエムベーハー・ウント・コー・カーゲー 超高周波電磁波を使用するセラミックス材料の高密度化及びその方法を行うための容器
US20070023971A1 (en) 2004-09-01 2007-02-01 Subrata Saha Method of microwave processing ceramics and microwave hybrid heating system for same
JP2018052806A (ja) 2016-09-21 2018-04-05 東ソー株式会社 ジルコニア焼結体及びその製造方法

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WO2023120371A1 (ja) 2023-06-29
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