FR3064001B1 - PREFORMED CERAMIC COOKING EQUIPMENT REQUIRING HIGH PRECISION - Google Patents

PREFORMED CERAMIC COOKING EQUIPMENT REQUIRING HIGH PRECISION Download PDF

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Publication number
FR3064001B1
FR3064001B1 FR1752203A FR1752203A FR3064001B1 FR 3064001 B1 FR3064001 B1 FR 3064001B1 FR 1752203 A FR1752203 A FR 1752203A FR 1752203 A FR1752203 A FR 1752203A FR 3064001 B1 FR3064001 B1 FR 3064001B1
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FR
France
Prior art keywords
crucible
microwave
high precision
requiring high
cooking equipment
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
FR1752203A
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French (fr)
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FR3064001A1 (en
Inventor
Lambert Pauline Chanin
Sebastien Saunier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Association pour la Recherche et le Developpement des Methodes et Processus Industriels
Original Assignee
Association pour la Recherche et le Developpement des Methodes et Processus Industriels
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Association pour la Recherche et le Developpement des Methodes et Processus Industriels filed Critical Association pour la Recherche et le Developpement des Methodes et Processus Industriels
Priority to FR1752203A priority Critical patent/FR3064001B1/en
Priority to PCT/FR2018/050520 priority patent/WO2018167397A1/en
Publication of FR3064001A1 publication Critical patent/FR3064001A1/en
Application granted granted Critical
Publication of FR3064001B1 publication Critical patent/FR3064001B1/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/64—Heating using microwaves
    • H05B6/80—Apparatus for specific applications
    • 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
    • A61C13/20—Methods or devices for soldering, casting, moulding or melting
    • A61C13/203—Methods or devices for soldering, casting, moulding or melting using microwave energy
    • 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
    • C04B35/12—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 chromium 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
    • C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
    • C04B35/56—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides
    • C04B35/565—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides based on silicon carbide
    • 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
    • C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
    • C04B35/58—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides
    • C04B35/58085—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on silicides
    • C04B35/58092—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on silicides based on refractory metal silicides
    • 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
    • C04B35/64—Burning or sintering processes
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/64—Heating using microwaves
    • H05B6/647—Aspects related to microwave heating combined with other heating techniques
    • H05B6/6491—Aspects related to microwave heating combined with other heating techniques combined with the use of susceptors
    • 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
    • C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
    • C04B2235/3227—Lanthanum oxide or oxide-forming salts thereof
    • 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
    • C04B2235/38—Non-oxide ceramic constituents or additives
    • C04B2235/3891—Silicides, e.g. molybdenum disilicide, iron silicide
    • 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
    • C04B2235/65—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
    • 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
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/74—Physical characteristics
    • C04B2235/76—Crystal structural characteristics, e.g. symmetry
    • C04B2235/768—Perovskite structure ABO3
    • 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
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/94—Products characterised by their shape
    • 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
    • C04B2235/70—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
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2206/00—Aspects relating to heating by electric, magnetic, or electromagnetic fields covered by group H05B6/00
    • H05B2206/04—Heating using microwaves
    • H05B2206/046—Microwave drying of wood, ink, food, ceramic, sintering of ceramic, clothes, hair

Abstract

L'invention concerne un équipement pour le frittage de pièces massives (12) en céramique comprenant une cavité micro-onde (1) et un creuset (11) associé à un support de creuset en céramique réfractaire poreuse ainsi qu'un suscepteur (17, 27) produisant un rayonnement infrarouge sous l'action du rayonnement micro-onde. a) Ladite cavité est une cavité micro-onde multimode couplée par un guide d'onde à un générateur micro-onde fonctionnant à une fréquence de 2,45 GHz. b) Ledit support est constitué par des pièces indépendantes en céramique réfractaire poreuse comprenant: - un socle (13) - au moins deux bagues (14, 15) axisymétriques emboitables coaxialement, c) Ledit creuset (11) présente une enveloppe tubulaire fermée par un fond recouvert de billes millimétriques, ledit creuset (11) étant apte à être disposée à l'intérieur de la bague intérieure (15), d) Ledit matériau suscepteur (11) est disposé entre la paroi de ladite bague intérieure (15) et la paroi dudit creuset (11).The invention relates to equipment for the sintering of massive ceramic parts (12) comprising a microwave cavity (1) and a crucible (11) associated with a crucible support made of porous refractory ceramic as well as a susceptor (17, 27) producing infrared radiation under the action of microwave radiation. a) Said cavity is a multimode microwave cavity coupled by a waveguide to a microwave generator operating at a frequency of 2.45 GHz. b) Said support is constituted by independent pieces of porous refractory ceramic comprising: - a base (13) - at least two axisymmetric rings (14, 15) which can be fitted together coaxially, c) Said crucible (11) has a tubular envelope closed by a bottom covered with millimeter balls, said crucible (11) being able to be disposed inside the inner ring (15), d) Said susceptor material (11) is disposed between the wall of said inner ring (15) and the wall of said crucible (11).

FR1752203A 2017-03-17 2017-03-17 PREFORMED CERAMIC COOKING EQUIPMENT REQUIRING HIGH PRECISION Expired - Fee Related FR3064001B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR1752203A FR3064001B1 (en) 2017-03-17 2017-03-17 PREFORMED CERAMIC COOKING EQUIPMENT REQUIRING HIGH PRECISION
PCT/FR2018/050520 WO2018167397A1 (en) 2017-03-17 2018-03-07 Equipment for baking ceramic preforms requiring a high precision

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1752203 2017-03-17
FR1752203A FR3064001B1 (en) 2017-03-17 2017-03-17 PREFORMED CERAMIC COOKING EQUIPMENT REQUIRING HIGH PRECISION

Publications (2)

Publication Number Publication Date
FR3064001A1 FR3064001A1 (en) 2018-09-21
FR3064001B1 true FR3064001B1 (en) 2021-08-06

Family

ID=59381379

Family Applications (1)

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FR1752203A Expired - Fee Related FR3064001B1 (en) 2017-03-17 2017-03-17 PREFORMED CERAMIC COOKING EQUIPMENT REQUIRING HIGH PRECISION

Country Status (2)

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FR (1) FR3064001B1 (en)
WO (1) WO2018167397A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3099408B1 (en) 2019-07-30 2021-07-09 Optiwaves Crucible for high temperature heat treatment of massive parts
EP3940328A1 (en) * 2020-07-16 2022-01-19 Opti'Waves System for thermal treatment of materials produced by powder metallurgy
CN113636833B (en) * 2021-09-06 2023-11-24 郑州大学 Chromium oxide ceramic material, preparation method thereof and heat preservation device for sintering chromium oxide ceramic material
WO2023180971A1 (en) * 2022-03-25 2023-09-28 Aspen Aerogels, Inc. Apparatus and method for heating at pyrolytic temperatures using microwave radiation

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003075077A (en) * 2001-09-05 2003-03-12 Natl Inst For Fusion Science Microwave calcination furnace, and microwave calcination method
JP2003302166A (en) * 2002-04-11 2003-10-24 Denso Corp Microwave baking furnace and method of microwave baking
JP2007119267A (en) * 2005-10-25 2007-05-17 Ueda Sekkai Seizo Kk Method for producing fired body of limes
DE102008015483B4 (en) * 2008-03-25 2018-10-11 Ivoclar Vivadent Ag Oven for the thermal treatment of a dental firing object
JP5220135B2 (en) * 2009-02-06 2013-06-26 パナソニック株式会社 Microwave firing method and microwave firing furnace
WO2016156275A1 (en) * 2015-03-27 2016-10-06 Centre National De La Recherche Scientifique Method for thermal treatment of a surface coating on a metal part by microwaves

Also Published As

Publication number Publication date
FR3064001A1 (en) 2018-09-21
WO2018167397A1 (en) 2018-09-20

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