WO2008052807A3 - Verfahren zum bestimmen des sinterschwunds eines vorgesinterten körpers - Google Patents

Verfahren zum bestimmen des sinterschwunds eines vorgesinterten körpers Download PDF

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Publication number
WO2008052807A3
WO2008052807A3 PCT/EP2007/009578 EP2007009578W WO2008052807A3 WO 2008052807 A3 WO2008052807 A3 WO 2008052807A3 EP 2007009578 W EP2007009578 W EP 2007009578W WO 2008052807 A3 WO2008052807 A3 WO 2008052807A3
Authority
WO
WIPO (PCT)
Prior art keywords
sintering shrinkage
presintered
determining
presintered body
determining sintering
Prior art date
Application number
PCT/EP2007/009578
Other languages
English (en)
French (fr)
Other versions
WO2008052807A2 (de
Inventor
Stefan Koebel
Wolfram Weber
Original Assignee
Metoxit Ag
Stefan Koebel
Wolfram Weber
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 Metoxit Ag, Stefan Koebel, Wolfram Weber filed Critical Metoxit Ag
Priority to US12/513,129 priority Critical patent/US8366978B2/en
Priority to BRPI0718122-1A2A priority patent/BRPI0718122A2/pt
Priority to EP07819599A priority patent/EP2091462A2/de
Publication of WO2008052807A2 publication Critical patent/WO2008052807A2/de
Publication of WO2008052807A3 publication Critical patent/WO2008052807A3/de

Links

Classifications

    • 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
    • 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
    • A61C13/0003—Making bridge-work, inlays, implants or the like
    • A61C13/0004—Computer-assisted sizing or machining of dental prostheses
    • 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
    • A61C13/0003—Making bridge-work, inlays, implants or the like
    • A61C13/0022—Blanks or green, unfinished dental restoration parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
    • B28B17/0063—Control arrangements
    • B28B17/0072—Product control or inspection
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
    • B28B23/0031—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects with product identification means, e.g. labels on test products or integrated circuit tags inside products RFID
    • 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
    • C04B35/10—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 aluminium oxide
    • C04B35/111—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
    • C04B35/01—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
    • G—PHYSICS
    • G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16Z—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS, NOT OTHERWISE PROVIDED FOR
    • G16Z99/00—Subject matter not provided for in other main groups of this subclass
    • 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
    • C04B2235/765—Tetragonal symmetry
    • 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
    • C04B2235/945—Products containing grooves, cuts, recesses or protusions
    • 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
    • C04B2235/9615—Linear firing shrinkage
    • G—PHYSICS
    • G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
    • G16H20/00—ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance
    • G16H20/40—ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance relating to mechanical, radiation or invasive therapies, e.g. surgery, laser therapy, dialysis or acupuncture

Abstract

Die Erfindung betrifft ein Verfahren zum Bestimmen des Sinterschwunds eines vorgesinterten Körpers, wobei ein Grünling mit mindestens einem Gestaltmerkmal versehen wird, der Grünling zu einem Weißling vorgesintert wird, eine Veränderung des Gestaltmerkmals beim Vorsintern erfasst wird und unter Verwendung der erfassten Veränderung der zu erwartende Sinterschwund bestimmt wird.
PCT/EP2007/009578 2006-11-03 2007-11-05 Verfahren zum bestimmen des sinterschwunds eines vorgesinterten körpers WO2008052807A2 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US12/513,129 US8366978B2 (en) 2006-11-03 2007-11-05 Method for determining sintering shrinkage of a pre-sintered body
BRPI0718122-1A2A BRPI0718122A2 (pt) 2006-11-03 2007-11-05 Processo para a determinação da contração de sinterização de um corpo pré-sinterado
EP07819599A EP2091462A2 (de) 2006-11-03 2007-11-05 Verfahren zum bestimmen des sinterschwunds eines vorgesinterten körpers

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006052027.0 2006-11-03
DE102006052027A DE102006052027B4 (de) 2006-11-03 2006-11-03 Verfahren zum Bestimmen des Sinterschwunds eines vorgesinterten Körpers und Bearbeitungsmaschine zur Bearbeitung von Weißlingen

Publications (2)

Publication Number Publication Date
WO2008052807A2 WO2008052807A2 (de) 2008-05-08
WO2008052807A3 true WO2008052807A3 (de) 2008-09-18

Family

ID=39048832

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2007/009578 WO2008052807A2 (de) 2006-11-03 2007-11-05 Verfahren zum bestimmen des sinterschwunds eines vorgesinterten körpers

Country Status (5)

Country Link
US (1) US8366978B2 (de)
EP (1) EP2091462A2 (de)
BR (1) BRPI0718122A2 (de)
DE (1) DE102006052027B4 (de)
WO (1) WO2008052807A2 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10322762B4 (de) 2003-05-19 2013-12-05 Sirona Dental Systems Gmbh Halter für einen Rohling und Verfahren zur Vermessung der Lage und Orientierung des Halters
DE10330758B4 (de) 2003-07-07 2006-07-20 Sirona Dental Systems Gmbh Rohling zur Herstellung zahntechnischer Formteile und Verfahren zur Herstellung des Formteils
DE102004063417B4 (de) 2004-12-23 2006-08-24 Sirona Dental Systems Gmbh Rohling zur Herstellung zahntechnischer Formteile und Verfahren zur Herstellung des Formteils
DE102008020720A1 (de) 2008-04-03 2009-10-15 Sirona Dental Systems Gmbh & Co. Kg Verfahren zur Bearbeitung eines Rohlings mit einem individuellen Vergrößerungsfaktor und Rohling hierfür
US9878958B2 (en) * 2012-02-29 2018-01-30 Corning Incorporated Dimensional control of ceramic structures via composition
FR2994967B1 (fr) * 2012-09-06 2021-10-08 Jaune De Chrome Procede et dispositif de realisation d'une piece en ceramique, notamment en porcelaine
US10643778B1 (en) 2014-09-09 2020-05-05 Universal Lighting Technologies, Inc. Magnetic core structure and manufacturing method using a grinding post
DE102014117109A1 (de) * 2014-11-21 2016-05-25 Merz Dental Gmbh Verfahren zur Lagepositionierung eines Halbzeuges, Verfahren zur Herstellung eines Halbzeuges zur reproduzierbaren Lagepositionierung sowie ein geeignetes Halbzeug und eine entsprechende Verwendung hierfür
WO2016101071A1 (en) * 2014-12-22 2016-06-30 Dental Wings Inc. Pre-forms and methods for using same in the manufacture of dental prostheses

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WO1999047065A1 (de) * 1998-03-17 1999-09-23 Eidgenössische Technische Hochschule Zürich Nichtmetallische Werkstoffe Zahnkronen und/oder zahnbrücken
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FR2711562B1 (fr) * 1993-10-29 1995-12-15 Sintertech Procédé de fabrication de pièces frittées conjuguées.
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US3998646A (en) * 1974-11-11 1976-12-21 Norton Company Process for forming high density silicon carbide
EP0389461A1 (de) * 1989-03-23 1990-09-26 Sandvik Aktiebolag Künstliche Kronen- und Zahnersatzteile
JPH03124404A (ja) * 1989-10-11 1991-05-28 Toshiba Corp セラミックス製品の製造方法
WO1999047065A1 (de) * 1998-03-17 1999-09-23 Eidgenössische Technische Hochschule Zürich Nichtmetallische Werkstoffe Zahnkronen und/oder zahnbrücken
DE19824783A1 (de) * 1998-06-03 1999-12-16 Siemens Ag Vorrichtung zur Formung eines Elektronenstrahls, Verfahren zur Herstellung der Vorrichtung und Anwendung

Also Published As

Publication number Publication date
WO2008052807A2 (de) 2008-05-08
BRPI0718122A2 (pt) 2013-11-26
DE102006052027A1 (de) 2008-05-08
US20090273108A1 (en) 2009-11-05
EP2091462A2 (de) 2009-08-26
DE102006052027B4 (de) 2009-06-25
US8366978B2 (en) 2013-02-05

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