DE112020006480B4 - Hitzebeständiges element - Google Patents

Hitzebeständiges element

Info

Publication number
DE112020006480B4
DE112020006480B4 DE112020006480.8T DE112020006480T DE112020006480B4 DE 112020006480 B4 DE112020006480 B4 DE 112020006480B4 DE 112020006480 T DE112020006480 T DE 112020006480T DE 112020006480 B4 DE112020006480 B4 DE 112020006480B4
Authority
DE
Germany
Prior art keywords
heat
resistant element
surface layer
inner section
percentage
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.)
Active
Application number
DE112020006480.8T
Other languages
German (de)
English (en)
Other versions
DE112020006480T5 (de
Inventor
Kentaro Kikuchi
Takahiro Ueno
Satoshi Toyoda
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.)
Kyocera Corp
Original Assignee
Kyocera Corp
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 Kyocera Corp filed Critical Kyocera Corp
Publication of DE112020006480T5 publication Critical patent/DE112020006480T5/de
Application granted granted Critical
Publication of DE112020006480B4 publication Critical patent/DE112020006480B4/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • C04B35/01—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
    • C04B35/117—Composites
    • 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
    • C01F7/00—Compounds of aluminium
    • C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/16—Preparation of alkaline-earth metal aluminates or magnesium aluminates; Aluminium oxide or hydroxide therefrom
    • C01F7/162—Magnesium aluminates
    • 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
    • C04B35/16—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 silicates other than clay
    • C04B35/18—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 silicates other than clay rich in aluminium 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
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/64—Burning or sintering processes
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/30—Three-dimensional structures
    • C01P2002/32—Three-dimensional structures spinel-type (AB2O4)
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/32—Thermal properties
    • C01P2006/37—Stability against thermal decomposition
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/80—Compositional purity
    • 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
    • C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
    • C04B2235/3206—Magnesium oxides 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
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
    • C04B2235/3208—Calcium oxide or oxide-forming salts thereof, e.g. lime
    • 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
    • C04B2235/3222—Aluminates other than alumino-silicates, e.g. spinel (MgAl2O4)
    • 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
    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3409—Boron oxide, borates, boric acids, or oxide forming salts thereof, e.g. borax
    • 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
    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3418—Silicon oxide, silicic acids or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
    • 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
    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3427—Silicates other than clay, e.g. water glass
    • C04B2235/3463—Alumino-silicates other than clay, e.g. mullite
    • C04B2235/3481—Alkaline earth metal alumino-silicates other than clay, e.g. cordierite, beryl, micas such as margarite, plagioclase feldspars such as anorthite, zeolites such as chabazite
    • 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
    • C04B2235/656—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
    • C04B2235/6567—Treatment time
    • 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
    • C04B2235/658—Atmosphere during thermal treatment
    • C04B2235/6582—Hydrogen containing atmosphere
    • 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
    • C04B2235/75—Products with a concentration gradient
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Composite Materials (AREA)
DE112020006480.8T 2020-01-10 2020-12-08 Hitzebeständiges element Active DE112020006480B4 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020-003203 2020-01-10
JP2020003203 2020-01-10
PCT/JP2020/045617 WO2021140813A1 (ja) 2020-01-10 2020-12-08 耐熱部材

Publications (2)

Publication Number Publication Date
DE112020006480T5 DE112020006480T5 (de) 2022-11-17
DE112020006480B4 true DE112020006480B4 (de) 2025-12-04

Family

ID=76788517

Family Applications (1)

Application Number Title Priority Date Filing Date
DE112020006480.8T Active DE112020006480B4 (de) 2020-01-10 2020-12-08 Hitzebeständiges element

Country Status (5)

Country Link
US (1) US12497301B2 (https=)
JP (1) JP7328360B2 (https=)
CN (1) CN114929647B (https=)
DE (1) DE112020006480B4 (https=)
WO (1) WO2021140813A1 (https=)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018124024A1 (ja) * 2016-12-26 2018-07-05 京セラ株式会社 耐食性部材

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4101615A (en) * 1973-02-20 1978-07-18 Sumitomo Chemical Company, Limited Process for producing alumina fiber or alumina-silica fiber
JPS5820774A (ja) * 1981-07-28 1983-02-07 東芝タンガロイ株式会社 耐熱焼結材料の製造方法
JP2879169B2 (ja) 1990-09-21 1999-04-05 日本特殊陶業株式会社 耐熱アルミナセラミックス
JPH05286755A (ja) * 1992-04-06 1993-11-02 Nippon Steel Corp 高アルミナ質煉瓦
JPH11130519A (ja) * 1997-10-31 1999-05-18 Sumitomo Electric Ind Ltd 耐摩耗性アルミナ質焼結体
JP3694407B2 (ja) 1998-10-02 2005-09-14 日本特殊陶業株式会社 セラミックスヒータの製造方法
JP2004292230A (ja) 2003-03-26 2004-10-21 Kyocera Corp 耐磨耗性アルミナ焼結体およびその製造方法
EP2180031A4 (en) * 2007-08-01 2011-05-25 Mitsubishi Chem Corp PHOSPHORUS AND METHOD OF PREPARATION THEREOF, CRYSTALLINE SILICONIUM NITRIDE AND METHOD OF PRODUCTION THEREOF, PHOSPHORUS COMPOSITION, LIGHT-EMITTING COMPONENT WITH THE PHOSPHORIC, IMAGE DISPLAY DEVICE AND LIGHTING APPARATUS
TWI488827B (zh) * 2010-03-01 2015-06-21 Ngk Insulators Ltd Cover
JP5005100B1 (ja) 2011-03-30 2012-08-22 東京窯業株式会社 リチウムイオン電池用正極活物質用熱処理容器およびその製造方法
KR20140075669A (ko) * 2011-09-14 2014-06-19 쿄세라 코포레이션 알루민산 마그네슘질 소결체 및 반도체 제조 장치용 부재
JP6636307B2 (ja) * 2015-11-27 2020-01-29 株式会社ニッカトー 高温特性及び耐食性に優れたアルミナ焼結体
CN109415220B (zh) * 2016-06-23 2021-06-18 Dic株式会社 尖晶石颗粒及其制造方法、及包含前述尖晶石颗粒的组合物和成形物
JP7197610B2 (ja) * 2019-01-30 2022-12-27 京セラ株式会社 セラミック部材

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018124024A1 (ja) * 2016-12-26 2018-07-05 京セラ株式会社 耐食性部材

Also Published As

Publication number Publication date
CN114929647A (zh) 2022-08-19
DE112020006480T5 (de) 2022-11-17
US20230051919A1 (en) 2023-02-16
JPWO2021140813A1 (https=) 2021-07-15
US12497301B2 (en) 2025-12-16
WO2021140813A1 (ja) 2021-07-15
JP7328360B2 (ja) 2023-08-16
CN114929647B (zh) 2023-11-21

Similar Documents

Publication Publication Date Title
DE2412339C2 (de) Monolithische hochdichte Körper aus Siliciumnitrid und Siliciumcarbid
DE69801561T2 (de) Heissgepresstes siliziumkarbidplättchen und methode zu dessen verwendung als attrappe
DE69803267T2 (de) Epoxidharzzusammensetzungen für die versiegelung von halbleitern und halbleitervorrichtung
DE69631753T2 (de) Gegen hohe temperaturen beständige glasfasern
DE102007024299A1 (de) Verfahren zum Verringern von Ungleichmässigkeiten in der Dichte von gesinterten Materialien
DE3927083A1 (de) Sinterkoerper aus siliziumnitrid und seine herstellung
DE10301061A1 (de) Gebranntes Aluminiumoxid, Verfahren zu seiner Herstellung und feines, durch Verwendung des gebrannten Aluminiumoxids erhaltenes alpha-Aluminiumoxidpulver
DE69118613T2 (de) Wärmeleitender gefärbter Aluminiumnitrid-Sinterkörper und Verfahren zu seiner Herstellung
DE60029281T2 (de) Sinterkörper aus Aluminiumnitrid und Verfahren zu seiner Herstellung
DE102021211745A1 (de) Wärmeisolierung
EP3164554A1 (de) Dachbeschichtungssystem
DE112020006480B4 (de) Hitzebeständiges element
DE69301982T2 (de) Aluminiumnitrid-sinterkörper und Verfahren zu seiner Herstellung
DE3133354A1 (de) "haerter fuer wasserglaskitte"
DE10229338B4 (de) Zündkerze und Zündkerzenisolator
DE112017006548T5 (de) Korrosionsbeständiges element
DE69904611T2 (de) Keramischer formkörper auf der basis von lithiumaluminiumsilikat
DE69301991T2 (de) Aluminiumnitridpulver mit einer Oxynitrid enthaltenden Oberflächenschicht
DE69511818T2 (de) Verfahren zur Herstellung von Sinterkörpern aus Siliciumnitrid
EP2057103B1 (de) Katalytisch aktives bauelement für thermoionisationsdetektoren zum nachweis von halogenhaltigen verbindungen und verfahren zur herstellung eines oxidkeramischen werkstoffs für das bauelement
DE4233602A1 (de) Siliciumnitridwerkstoff, Verfahren zu seiner Herstellung sowie dessen Verwendung
EP4031503A1 (de) Spinell-glaskeramik, verfahren zu deren herstellung und geformtes dentalprodukt enthaltend die spinell-glaskeramik
DE69320214T2 (de) Gesinterter keramischer Verbundkörper und Verfahren zu seiner Herstellung
DE69615944T2 (de) Siliziumnitrid-Sinterkörper hoher Festigkeit
DE68927412T2 (de) Verfahren zur Herstellung eines keramischen Gegenstandes

Legal Events

Date Code Title Description
R012 Request for examination validly filed
R016 Response to examination communication
R018 Grant decision by examination section/examining division