KR970042415A - Amorphous fire resistant composition with excellent spalling resistance - Google Patents
Amorphous fire resistant composition with excellent spalling resistance Download PDFInfo
- Publication number
- KR970042415A KR970042415A KR1019950049557A KR19950049557A KR970042415A KR 970042415 A KR970042415 A KR 970042415A KR 1019950049557 A KR1019950049557 A KR 1019950049557A KR 19950049557 A KR19950049557 A KR 19950049557A KR 970042415 A KR970042415 A KR 970042415A
- Authority
- KR
- South Korea
- Prior art keywords
- weight
- less
- particle diameter
- alumina
- spalling resistance
- Prior art date
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Classifications
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- 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
- C04B35/66—Monolithic refractories or refractory mortars, including those whether or not containing clay
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- 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
- C04B35/119—Composites with zirconium oxide
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- 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
- C04B35/63—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
- C04B35/6303—Inorganic additives
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- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Composite Materials (AREA)
- Ceramic Products (AREA)
Abstract
본 발명은 래들벽체, 열간 재사용 턴디쉬 내장 등 강제조용 각종설비의 내화물로 이용되는 알루미나-마그네시아-지르코니아계 부정형 내화물의 조성물에 관한 것이며, 그 목적은 내스폴링성이 우수한 부정형 내화조성물을 제공하고자 하는데 있다.The present invention relates to a composition of an alumina-magnesia-zirconia-based amorphous refractory used as a refractory material of various facilities for forcing such as ladle wall, hot reuse tundish, etc. The object is to provide an amorphous refractory composition excellent in spalling resistance have.
상기한 목적을 달성하기 위해 본 발명은 입경이 1㎜ 이하이며, 단사정 지르코니아를 10-35 중량% 포함하는 Al2O3-ZrO2계 클링커 : 10-35%, 입경 45㎛ 이하의 마그네시아 분말 : 1-6중량%, 입경 5㎛ 이하의 하소알루미나 분말 : 5-15 중량%, 알루미나 시멘트 : 6-14중량%, 및 입경 1㎜ 이상의 알루미나 클링커 : 40-65 중량%로 이루어지는 내스폴링성이 우수한 부정형 내화조성물에 관한 것을 그 기술적 요지로 한다.In order to achieve the above object, the present invention has a particle diameter of 1 mm or less, Al 2 O 3 -ZrO 2 -based clinker containing 10-35% by weight of monoclinic zirconia: Magnesia powder of 10-35%, particle diameter of 45㎛ or less : 1-6% by weight, calcined alumina powder having a particle diameter of 5 μm or less: 5-15% by weight, alumina cement: 6-14% by weight, and alumina clinker having a particle size of 1 mm or more: 40-65% by weight The technical gist of an excellent amorphous refractory composition is set forth.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950049557A KR100213317B1 (en) | 1995-12-14 | 1995-12-14 | Castable refractory composition |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950049557A KR100213317B1 (en) | 1995-12-14 | 1995-12-14 | Castable refractory composition |
Publications (2)
Publication Number | Publication Date |
---|---|
KR970042415A true KR970042415A (en) | 1997-07-24 |
KR100213317B1 KR100213317B1 (en) | 1999-08-02 |
Family
ID=19439865
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019950049557A KR100213317B1 (en) | 1995-12-14 | 1995-12-14 | Castable refractory composition |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100213317B1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20040021226A (en) * | 2002-09-03 | 2004-03-10 | 주식회사 포스코 | Castable refractory containing magnesia |
-
1995
- 1995-12-14 KR KR1019950049557A patent/KR100213317B1/en not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20040021226A (en) * | 2002-09-03 | 2004-03-10 | 주식회사 포스코 | Castable refractory containing magnesia |
Also Published As
Publication number | Publication date |
---|---|
KR100213317B1 (en) | 1999-08-02 |
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