JP7523724B2 - 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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Publication number
JP7523724B2
JP7523724B2 JP2024524565A JP2024524565A JP7523724B2 JP 7523724 B2 JP7523724 B2 JP 7523724B2 JP 2024524565 A JP2024524565 A JP 2024524565A JP 2024524565 A JP2024524565 A JP 2024524565A JP 7523724 B2 JP7523724 B2 JP 7523724B2
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sintered body
zirconia
less
zirconia sintered
heating
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JPWO2023238861A1 (https=
JPWO2023238861A5 (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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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K6/00—Preparations for dentistry
    • A61K6/80—Preparations for artificial teeth, for filling teeth or for capping teeth
    • A61K6/802—Preparations for artificial teeth, for filling teeth or for capping teeth comprising ceramics
    • A61K6/818—Preparations for artificial teeth, for filling teeth or for capping teeth comprising ceramics comprising zirconium oxide
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • 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
    • 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
    • A61C7/00—Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
    • A61C7/12—Brackets; Arch wires; Combinations thereof; Accessories therefor
    • A61C7/14—Brackets; Fixing brackets to teeth
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • 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
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • 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
    • C04B35/62695—Granulation or pelletising
    • C—CHEMISTRY; METALLURGY
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    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • 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
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • 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
    • C—CHEMISTRY; METALLURGY
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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
    • C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
    • C04B2235/3225—Yttrium oxide or oxide-forming salts thereof
    • C—CHEMISTRY; METALLURGY
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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
    • C04B2235/3231—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
    • C—CHEMISTRY; METALLURGY
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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
    • C04B2235/6565—Cooling rate
    • C—CHEMISTRY; METALLURGY
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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
    • C04B2235/66—Specific sintering techniques, e.g. centrifugal sintering
    • C04B2235/661—Multi-step sintering
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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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
    • C04B2235/66—Specific sintering techniques, e.g. centrifugal sintering
    • C04B2235/661—Multi-step sintering
    • C04B2235/662—Annealing after sintering
    • C04B2235/663—Oxidative annealing
    • C—CHEMISTRY; METALLURGY
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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
    • C04B2235/66—Specific sintering techniques, e.g. centrifugal sintering
    • C04B2235/667—Sintering using wave energy, e.g. microwave sintering
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/74—Physical characteristics
    • C04B2235/76—Crystal structural characteristics, e.g. symmetry
    • C04B2235/761—Unit-cell parameters, e.g. lattice constants
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/80—Phases present in the sintered or melt-cast ceramic products other than the main phase
    • C04B2235/85—Intergranular or grain boundary phases
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
    • C04B2235/9607—Thermal properties, e.g. thermal expansion coefficient
    • C04B2235/9623—Ceramic setters properties

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Public Health (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Composite Materials (AREA)
  • Inorganic Chemistry (AREA)
  • Plastic & Reconstructive Surgery (AREA)
  • Dentistry (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Dental Prosthetics (AREA)
  • Compositions Of Oxide Ceramics (AREA)
JP2024524565A 2022-06-10 2023-06-06 ジルコニア焼結体とその製造方法 Active JP7523724B2 (ja)

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Families Citing this family (6)

* 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
WO2025206349A1 (ja) * 2024-03-29 2025-10-02 クラレノリタケデンタル株式会社 セラミックス仮焼体の製造方法

Citations (8)

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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
JP2010025452A (ja) 2008-07-19 2010-02-04 Ivoclar Vivadent Ag セラミックスの緻密化方法およびそのための装置
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
JP2011178610A (ja) 2010-03-02 2011-09-15 Noritake Co Ltd ジルコニア焼結体、並びにその焼結用組成物及び仮焼体
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
JP2021059489A (ja) 2019-10-08 2021-04-15 東ソー株式会社 ジルコニア焼結体及びその製造方法
WO2022065452A1 (ja) 2020-09-25 2022-03-31 クラレノリタケデンタル株式会社 ジルコニア焼結体の製造方法

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US20020031675A1 (en) 2000-04-27 2002-03-14 Bernard Cales Partially stabilized zirconia biocomponent having high resistance to low temperature degradation and a method of preparing same
US20090079101A1 (en) * 2007-04-27 2009-03-26 Jurgen Laubersheimer Densification Process of Ceramics And Apparatus Therefor
JP6236883B2 (ja) 2012-06-04 2017-11-29 東ソー株式会社 透光性ジルコニア焼結体及びその製造方法
JP6340879B2 (ja) 2013-04-10 2018-06-13 東ソー株式会社 ジルコニア焼結体及びその製造方法
US10004668B2 (en) 2013-06-27 2018-06-26 Ivoclar Vivadent, Inc. Nanocrystalline zirconia and methods of processing thereof
CN105829264B (zh) 2013-12-24 2021-04-23 东曹株式会社 透光性氧化锆烧结体和氧化锆粉末、及其用途
JP6862702B2 (ja) 2016-07-19 2021-04-21 東ソー株式会社 ジルコニア仮焼体及びその製造方法
EP3659548B1 (de) * 2018-11-29 2025-01-01 Ivoclar Vivadent AG Verfahren zur herstellung einer dentalen restauration
US12145888B2 (en) 2019-03-06 2024-11-19 Kuraray Noritake Dental Inc. Zirconia molded body and pre-sintered body capable of being sintered in short time
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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
JP2010025452A (ja) 2008-07-19 2010-02-04 Ivoclar Vivadent Ag セラミックスの緻密化方法およびそのための装置
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
JP2011178610A (ja) 2010-03-02 2011-09-15 Noritake Co Ltd ジルコニア焼結体、並びにその焼結用組成物及び仮焼体
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
JP2021059489A (ja) 2019-10-08 2021-04-15 東ソー株式会社 ジルコニア焼結体及びその製造方法
WO2022065452A1 (ja) 2020-09-25 2022-03-31 クラレノリタケデンタル株式会社 ジルコニア焼結体の製造方法

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US20260062354A1 (en) 2026-03-05
US12497333B2 (en) 2025-12-16
JP2024104753A (ja) 2024-08-05
JPWO2023238861A1 (https=) 2023-12-14
US20250171363A1 (en) 2025-05-29
JP7523710B1 (ja) 2024-07-26

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