AR003100A1 - CERAMIC COMPOSITIONS. - Google Patents

CERAMIC COMPOSITIONS.

Info

Publication number
AR003100A1
AR003100A1 ARP970102980A ARP970102980A AR003100A1 AR 003100 A1 AR003100 A1 AR 003100A1 AR P970102980 A ARP970102980 A AR P970102980A AR P970102980 A ARP970102980 A AR P970102980A AR 003100 A1 AR003100 A1 AR 003100A1
Authority
AR
Argentina
Prior art keywords
weight
zirconium
oxide
nozzle
especially useful
Prior art date
Application number
ARP970102980A
Other languages
Spanish (es)
Original Assignee
Foseco Int
Koransha Company Ltd
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 Foseco Int, Koransha Company Ltd filed Critical Foseco Int
Publication of AR003100A1 publication Critical patent/AR003100A1/en

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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
    • C04B35/515—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
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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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
    • C04B35/515—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
    • C04B35/5805—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 borides
    • C04B35/58064—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 borides based on refractory borides
    • C04B35/58078—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 borides based on refractory borides based on zirconium or hafnium borides
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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
    • C04B35/013—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 containing carbon
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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
    • C04B35/10—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
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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
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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
    • C04B35/515—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
    • C04B35/583—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 boron nitride
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    • 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
    • C04B35/63—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 using additives specially adapted for forming the products, e.g.. binder binders
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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
    • C04B35/63—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 using additives specially adapted for forming the products, e.g.. binder binders
    • C04B35/632—Organic additives
    • C04B35/634—Polymers
    • C04B35/63448—Polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C04B35/63472—Condensation polymers of aldehydes or ketones
    • C04B35/6348—Melamine-formaldehyde condensation polymers
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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
    • C04B35/63—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 using additives specially adapted for forming the products, e.g.. binder binders
    • C04B35/632—Organic additives
    • C04B35/634—Polymers
    • C04B35/63448—Polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C04B35/63472—Condensation polymers of aldehydes or ketones
    • C04B35/63484—Urea-formaldehyde condensation polymers
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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
    • C04B35/63—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 using additives specially adapted for forming the products, e.g.. binder binders
    • C04B35/632—Organic additives
    • C04B35/634—Polymers
    • C04B35/63496—Bituminous materials, e.g. tar, pitch
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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
    • C04B35/66—Monolithic refractories or refractory mortars, including those whether or not containing clay
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    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
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    • 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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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
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    • 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
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    • C04B2235/38—Non-oxide ceramic constituents or additives
    • C04B2235/3852—Nitrides, e.g. oxynitrides, carbonitrides, oxycarbonitrides, lithium nitride, magnesium nitride
    • C04B2235/386—Boron nitrides
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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
    • C04B2235/42—Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
    • C04B2235/422—Carbon

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Organic Chemistry (AREA)
  • Structural Engineering (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Composite Materials (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Ceramic Products (AREA)
  • Casting Support Devices, Ladles, And Melt Control Thereby (AREA)

Abstract

Composiciones cerámicas de gran valor en la manipulación o moldeado del acero, por ejemplo, como material de revestimiento o para producir toberas orecubrimiento utilizados en los procesos de fundición contínuos que comprenden una mezcla depart ículas de nitruro de boro, diboruro de circonio y, por lomenos, un material refractario adicional, ligadas por el carbono producido por la descomposición de un aglutinante orgánico como por ejemplo, resina o resinade la madera. El materialrefractar io adicional puede ser, por ejemplo, un metal refractario, como un óxido, un carburo, un boruro o un nitruro. Lascomposiciones que contienen óxido de circonio con una proporción del 5-70% por peso de óxido de circonio, 5-60% por pesode diborur o de circonio y 5-80% porpeso de óxido de circonio son especialmente útiles forma la parte de la tobera que se utiliza en el nivel de escoria en un recipiente de acero fundido. Lascomposiciones que contienen óxido de aluminio con unaproporción de 5 -70% por peso de nitruro de boro, 15-50% por peso de diboruro de circonio y 10-70% porpeso de óxido de aluminio son especialmente útiles para formar la parte interna de las toberas puesto que son resistentes a la alúmina que seacumula y evitaque s e formen obstrucciones en la tobera.Ceramic compositions of great value in the handling or molding of steel, for example, as a coating material or to produce nozzles or coating used in continuous casting processes that comprise a mixture of particles of boron nitride, zirconium diboride and, at least , an additional refractory material, bonded by the carbon produced by the decomposition of an organic binder such as resin or wood resin. The additional refractory material may be, for example, a refractory metal, such as an oxide, a carbide, a boride, or a nitride. Compositions containing zirconium oxide with a ratio of 5-70% by weight of zirconium oxide, 5-60% by weight of diborur or zirconium and 5-80% by weight of zirconium oxide are especially useful as part of the nozzle It is used at the slag level in a molten steel container. Compositions containing aluminum oxide with a proportion of 5-70% by weight of boron nitride, 15-50% by weight of zirconium diboride and 10-70% by weight of aluminum oxide are especially useful in forming the inner part of nozzles since they are resistant to alumina that accumulates and prevents blockages in the nozzle.

ARP970102980A 1996-07-05 1997-07-03 CERAMIC COMPOSITIONS. AR003100A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9614188.2A GB9614188D0 (en) 1996-07-05 1996-07-05 Ceramic compositions

Publications (1)

Publication Number Publication Date
AR003100A1 true AR003100A1 (en) 1998-07-08

Family

ID=10796447

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP970102980A AR003100A1 (en) 1996-07-05 1997-07-03 CERAMIC COMPOSITIONS.

Country Status (12)

Country Link
EP (1) EP0909263A1 (en)
JP (1) JP2001505176A (en)
KR (1) KR20000023576A (en)
AR (1) AR003100A1 (en)
AU (1) AU732774B2 (en)
BR (1) BR9710180A (en)
CA (1) CA2260197A1 (en)
GB (1) GB9614188D0 (en)
TR (1) TR199802768T2 (en)
TW (1) TW436471B (en)
WO (1) WO1998001405A1 (en)
ZA (1) ZA975895B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2030959B1 (en) * 2007-08-28 2010-04-14 ESK Ceramics GmbH & Co.KG Sintered polycrystalline mixed raw materials based on bornitiride and zirconium dioxide, method for their manufacture and their use
CN104211411A (en) * 2014-06-19 2014-12-17 江苏泰瑞耐火有限公司 ZrO2-BN ceramic material submerged nozzle and its preparation method
KR102156575B1 (en) * 2020-01-23 2020-09-17 주식회사 화인테크 Machinable ceramic composite material having a low coefficient of thermal expansion and manufacturing method thereof

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62288171A (en) * 1986-06-06 1987-12-15 旭硝子株式会社 Zrb2 base composite sintered body
JPS63100071A (en) * 1986-10-16 1988-05-02 黒崎窯業株式会社 Manufacture of zrb2-containing refractories
JP2943992B2 (en) * 1990-04-07 1999-08-30 新日本製鐵株式会社 Nozzle for manufacturing quenched metal ribbon

Also Published As

Publication number Publication date
EP0909263A1 (en) 1999-04-21
ZA975895B (en) 1998-01-30
BR9710180A (en) 2000-01-11
AU3626597A (en) 1998-02-02
KR20000023576A (en) 2000-04-25
TW436471B (en) 2001-05-28
TR199802768T2 (en) 1999-03-22
JP2001505176A (en) 2001-04-17
GB9614188D0 (en) 1996-09-04
CA2260197A1 (en) 1998-01-15
AU732774B2 (en) 2001-04-26
WO1998001405A1 (en) 1998-01-15

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