JPH06502140A - シアロン基質により結合された耐火性材料及び調製方法 - Google Patents
シアロン基質により結合された耐火性材料及び調製方法Info
- Publication number
- JPH06502140A JPH06502140A JP3517713A JP51771391A JPH06502140A JP H06502140 A JPH06502140 A JP H06502140A JP 3517713 A JP3517713 A JP 3517713A JP 51771391 A JP51771391 A JP 51771391A JP H06502140 A JPH06502140 A JP H06502140A
- Authority
- JP
- Japan
- Prior art keywords
- particles
- weight
- alumina
- electroformed
- mixture
- 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.)
- Granted
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
- C04B35/65—Reaction sintering of free metal- or free silicon-containing compositions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/14—Closures
- B22D41/22—Closures sliding-gate type, i.e. having a fixed plate and a movable plate in sliding contact with each other for selective registry of their openings
- B22D41/28—Plates therefor
- B22D41/30—Manufacturing or repairing thereof
- B22D41/32—Manufacturing or repairing thereof characterised by the materials used therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/50—Pouring-nozzles
- B22D41/52—Manufacturing or repairing thereof
- B22D41/54—Manufacturing or repairing thereof characterised by the materials used therefor
-
- 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
- C04B35/101—Refractories from grain sized mixtures
- C04B35/103—Refractories from grain sized mixtures containing non-oxide refractory materials, e.g. carbon
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Ceramic Products (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.(A)融点又は適当である場合には熱分解温度が1700℃より高い少なく とも一つの耐火性材料の複数の粒子を含んでいて、これらの料子は、 (B)X線回折パターンから決定される如きZが0.5から4の範囲にある式S i■−zAl2O3N■−■のシアロンから主として成る結合基質内に分散され ており、前記耐火性材料が、 (C)前記結合基質内に分散された六方晶系のホウ素窒化物及び/又は結晶質の 黒鉛薄片の複数の粒子をも含んでいる、 高い耐腐食性と昇温状態での高い機械的強度と高い耐熱衝撃性とを有する耐火材 料。 2.前記粒子(A)は、電気鋳造か焼結かを問わない鋼玉,ムライト又はMgO −Al2O3尖晶石,平板アルミナ,少なくとも85重量%のアルミナ成分を有 する電気鋳造材料,電気鋳造又は焼結されたマグネシア,少なくとも50%のア ルミナと5%のジルコニアを含むアルミナ/シリカ/ジルコニア系の電気鋳道材 料,Al4O4CとAl2OCタイプのアルミニウム酸化カーバイド,アルミニ ウム酸化窒化物を基とする製品,及びシリコンカーバイドから選択されることを 特徴とする請求の範囲1に記載の耐火材料。 3.粒子(A)は、鋼玉から成ることを特徴とする請求の範囲1又は2に記載の 耐火材料。 4.31−85重量%の(A)と12−45重量%の(B)と3−42重量%の (C)とを含んでいることを特徴とする請求の範囲1乃至3の何れかに記載の耐 火材料。 5.36−68重量%の(A)と25−42重量%の(B)と5−30重量%の (C)とを含んでいることを特徴とする請求の範囲4に記載の耐火材料。 6.(1)(a)少なくとも90%が50μmと5mmの間の大きさで融点及び 適当な場合には熱分解温度が1700℃よりも高い33乃至88重量%の粒子と 、 (b)(i)粒子の少なくとも90%が150μmよりも小さい直径を有する2 3乃至90%のシリコン粉末と、(ii)粒子の少なくとも90%が20μmよ りも小さい直径を有する9乃至62%の■焼アルミナと、(iii)粒子の少な くとも90%が80μmよりも小さい直径を有していて前記成分(i)及び(i i)との合計が100%となり且つアルミニウムと■焼アルミナの割合が0.7 よりも小さい0乃至24%のアルミニウム粉末とを含む9乃至40%の反応粉末 混合物と、 (c)六方晶系のホウ素窒化物粒子又は結晶質の黒鉛薄片又は黒鉛薄片の少なく とも80%が100μmよりも大きい前記ホウ素窒化物粒子と黒鉛薄片との混合 物の3乃至45重量%の粒子と、 (d)前記成分(a)乃至(c)との合計が100%となるようにされた0乃至 3%の乾燥して粉末にされた耐火性粘土と、 (e)少量の一時的結合剤と、 の混合物が用意され、 (2)前記混合物(1)は押圧することにより所望の形状に成形され、 (3)(2)により成形された混合物は乾燥され、且つ、(4)(2)及び(3 )により成形され且つ乾燥された混合物は窒素雰囲気下1300℃乃至1600 ℃の温度で燃焼される、 ことを特徴とする耐火材料の製造方法。 7.成分(a)は、電気鋳造又は焼結された鋼玉,ムライト又はMgO−Al2 O3尖晶石の粒子,平版アルミナ,少なくとも85重量%のアルミナ成分を有す る電気鋳造材料,電気鋳造又は焼結されたマグネシア,少なくとも50%のアル ミナと5%のジルコニアを含むアルミナ/シリカ/ジルコニア系電気鋳造材料, Al4O4CとAl2OCタイプのアルミニウム酸化カーバイド,アルミニウム 酸化窒化物を基とする製品,及びシリコンカーバイドから選択されることを特徴 とする請求の範囲6に記載の製造方法。 8.成分(a)は、鋼玉粒子により形成されていることを特徴とする請求の範囲 6又は7に記載の製造方法。 9.反応粉末混合物(b)は、35−45%の(i)と38−50%の(ii) と12−20%の(iii)を含んでいることを特徴とする請求の範囲6に記載 の製造方法。 10.出発バッチは40−75%の(a)と20−35%の(b)と5−33% の(c)を含んでいることを特徴とする請求の範囲6又は9に記載の製造方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR90/13168 | 1990-10-24 | ||
FR9013168A FR2668478B1 (fr) | 1990-10-24 | 1990-10-24 | Nouveau materiaux refractaires a matrice de sialon et procede de preparation. |
PCT/FR1991/000820 WO1992007806A1 (fr) | 1990-10-24 | 1991-10-18 | Materiaux refractaires lies par une matrice de sialon et procede de preparation |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH06502140A true JPH06502140A (ja) | 1994-03-10 |
JP3212600B2 JP3212600B2 (ja) | 2001-09-25 |
Family
ID=9401521
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51771391A Expired - Fee Related JP3212600B2 (ja) | 1990-10-24 | 1991-10-18 | シアロン基質により結合された耐火性材料及び調製方法 |
Country Status (10)
Country | Link |
---|---|
US (1) | US5212123A (ja) |
EP (1) | EP0482984B1 (ja) |
JP (1) | JP3212600B2 (ja) |
KR (1) | KR0139421B1 (ja) |
AT (1) | ATE123010T1 (ja) |
AU (1) | AU8851291A (ja) |
DE (2) | DE69110000T2 (ja) |
ES (1) | ES2075387T3 (ja) |
FR (1) | FR2668478B1 (ja) |
WO (1) | WO1992007806A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015087672A1 (ja) | 2013-12-11 | 2015-06-18 | 黒崎播磨株式会社 | 高炉炉床部の内張り構造 |
WO2016208666A1 (ja) * | 2015-06-25 | 2016-12-29 | 黒崎播磨株式会社 | 溶銑製造炉の炉床用れんが |
WO2018123726A1 (ja) | 2016-12-28 | 2018-07-05 | 黒崎播磨株式会社 | 高炉炉床部用れんが及びこれを使用した高炉炉床部並びに高炉炉床部用れんがの製造方法 |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4330584C1 (de) * | 1993-09-09 | 1994-09-01 | Fraunhofer Ges Forschung | Verfahren zur Herstellung von feuerfesten Werkstoffen |
US5409012A (en) * | 1993-12-30 | 1995-04-25 | Boston Scientific Corporation | Sample collection using catheter with expandable member |
IT1270259B (it) * | 1994-06-20 | 1997-04-29 | Tecme Srl | Struttura composita costituita da un manufatto in refrattario elettrofuso incorporante elementi altamente resistenti alla corrosione/erosione da parte dei bagni fusi ed utilizzabile in particolare per la costruzione dei forni per vetro e simili |
US5459112A (en) * | 1994-09-14 | 1995-10-17 | The Carborundum Company | Reaction-bonded silicon carbide refractory product |
FR2727400B1 (fr) * | 1994-11-24 | 1996-12-27 | Savoie Refractaires | Nouveaux materiaux formes de grains refractaires lies par une matrice de nitrure d'aluminium ou de sialon contenant du nitrure de titane et des particules de graphite et/ou de nitrure de bore dispersees |
EP0767765B1 (de) * | 1995-04-28 | 2000-03-08 | Didier-Werke Ag | SiC-FORMKÖRPER |
IL137548A (en) * | 2000-07-27 | 2006-08-01 | Cerel Ceramic Technologies Ltd | Wear and thermal resistant material produced from super hard particles bound in a matrix of glassceramic by electrophoretic deposition |
KR20020052828A (ko) * | 2000-12-26 | 2002-07-04 | 신현준 | 내화물 조성물 |
KR20040049585A (ko) * | 2002-12-06 | 2004-06-12 | 주식회사 포스렉 | 열충격저항성이 우수한 불소성 마그네시아 카본질 내화벽돌 |
KR20060044497A (ko) * | 2004-03-23 | 2006-05-16 | 토소가부시키가이샤 | 내식성 부재 및 그 제조 방법 |
FR2892720B1 (fr) * | 2005-10-28 | 2008-05-16 | Saint Gobain Ct Recherches | Produit ceramique fritte a matrice azotee aux proprietes de surface ameliorees |
FI20060649L (fi) * | 2006-07-04 | 2008-01-05 | Indref Oy | Metallisulan valutussuojaputki |
KR100821190B1 (ko) * | 2006-12-14 | 2008-04-14 | 조선내화 주식회사 | 용융금속 흐름제어용 슬라이딩플레이트 내화재 |
EP2634160B1 (en) * | 2008-06-13 | 2018-04-18 | Saint-Gobain Ceramics & Plastics Inc. | Volume-change resistant silicon oxy-nitride or silicon oxy-nitride and silicon nitride bonded silicon carbide refractory |
FR2937637B1 (fr) * | 2008-10-29 | 2010-12-10 | Saint Gobain Ct Recherches | Four de cuisson de blocs carbones |
FR2953512B1 (fr) | 2009-12-09 | 2017-03-31 | Saint Gobain Centre De Rech Et D'etudes Europeen | Produit refractaire a matrice de siaion dope bore |
FR3011238B1 (fr) * | 2013-09-30 | 2017-10-13 | Saint-Gobain Centre De Rech Et D'Etudes Europeen | Produit refractaire a matrice de sialon |
CN106348767A (zh) * | 2015-02-11 | 2017-01-25 | 山国强 | 一种水泥窑用燃烧器预制件及制备方法 |
WO2018226326A1 (en) * | 2017-06-07 | 2018-12-13 | Inductoheat, Inc. | Railless support of billets within electric induction heating coils |
PL3511307T3 (pl) * | 2018-01-16 | 2020-11-30 | Refractory Intellectual Property Gmbh & Co. Kg | Surowiec topiony do wytwarzania wyrobu ogniotrwałego, sposób wytwarzania surowca topionego oraz zastosowanie surowca topionego |
CN110698185A (zh) * | 2019-10-25 | 2020-01-17 | 唐山金山腾宇科技有限公司 | 高炉送风装置用轻质刚玉莫来石复合耐火材料 |
CN113956056B (zh) * | 2021-11-24 | 2022-08-05 | 河南熔金高温材料股份有限公司 | 滑动水口用微膨胀含碳耐火泥及生产方法 |
CN116199503B (zh) * | 2023-01-31 | 2024-04-12 | 马鞍山利尔开元新材料有限公司 | 一种添加Al2O3-Si3N4复合粉体的滑板砖、合成滑板砖及其制备方法 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE242849C (ja) * | ||||
DE2805292C2 (de) * | 1977-09-28 | 1982-03-11 | Toshiba Ceramics Co., Ltd., Tokyo | Verfahren zur Herstellung eines Sinterkörpers |
US4557884A (en) * | 1980-05-14 | 1985-12-10 | Dresser Industries, Inc. | Refractory |
JPS5884914A (ja) * | 1981-11-17 | 1983-05-21 | Kawasaki Steel Corp | 溶銑脱硫処理容器 |
CA1203254A (en) * | 1982-06-03 | 1986-04-15 | Ke-Chin Wang | Nitride bonded oxide refractories |
US4533646A (en) * | 1982-06-03 | 1985-08-06 | Dresser Industries, Inc. | Nitride bonded oxide refractories |
US4578363A (en) * | 1984-01-23 | 1986-03-25 | Kennecott Corporation | Silicon carbide refractories having modified silicon nitride bond |
US4608353A (en) * | 1984-04-25 | 1986-08-26 | Hitachi, Ltd. | High-alumina refractory for use in non-ferrous metal melting furnace |
DE242849T1 (de) * | 1986-04-21 | 1989-01-05 | Vesuvius Crucible Co., Pittsburgh, Pa., Us | Mit kohlenstoff gebundene feuerfeste koerper. |
US4870037A (en) * | 1987-09-23 | 1989-09-26 | Vesuvius Crucible Company | Prevention of Al2 O3 formation in pouring nozzles and the like |
US4871698A (en) * | 1987-11-09 | 1989-10-03 | Vesuvius Crucible Company | Carbon bonded refractory bodies |
JPH01313360A (ja) * | 1987-11-23 | 1989-12-18 | Norton Co | アルミナ耐火物及びその製造方法 |
US4913408A (en) * | 1988-09-06 | 1990-04-03 | Vesuvius Crucible Company | Refractory liner compositions |
-
1990
- 1990-10-24 FR FR9013168A patent/FR2668478B1/fr not_active Expired - Fee Related
-
1991
- 1991-10-08 US US07/772,978 patent/US5212123A/en not_active Expired - Lifetime
- 1991-10-18 EP EP91402781A patent/EP0482984B1/fr not_active Expired - Lifetime
- 1991-10-18 JP JP51771391A patent/JP3212600B2/ja not_active Expired - Fee Related
- 1991-10-18 WO PCT/FR1991/000820 patent/WO1992007806A1/fr unknown
- 1991-10-18 AU AU88512/91A patent/AU8851291A/en not_active Abandoned
- 1991-10-18 DE DE69110000T patent/DE69110000T2/de not_active Expired - Lifetime
- 1991-10-18 AT AT91402781T patent/ATE123010T1/de not_active IP Right Cessation
- 1991-10-18 KR KR1019930701224A patent/KR0139421B1/ko not_active IP Right Cessation
- 1991-10-18 DE DE199191402781T patent/DE482984T1/de active Pending
- 1991-10-18 ES ES91402781T patent/ES2075387T3/es not_active Expired - Lifetime
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015087672A1 (ja) | 2013-12-11 | 2015-06-18 | 黒崎播磨株式会社 | 高炉炉床部の内張り構造 |
JP2015113254A (ja) * | 2013-12-11 | 2015-06-22 | 黒崎播磨株式会社 | 高炉炉床部の内張り構造 |
WO2016208666A1 (ja) * | 2015-06-25 | 2016-12-29 | 黒崎播磨株式会社 | 溶銑製造炉の炉床用れんが |
JPWO2016208666A1 (ja) * | 2015-06-25 | 2017-12-28 | 黒崎播磨株式会社 | 溶銑製造炉の炉床用れんが |
WO2018123726A1 (ja) | 2016-12-28 | 2018-07-05 | 黒崎播磨株式会社 | 高炉炉床部用れんが及びこれを使用した高炉炉床部並びに高炉炉床部用れんがの製造方法 |
KR20190040008A (ko) | 2016-12-28 | 2019-04-16 | 구로사키 하리마 코포레이션 | 고로 노상부용 벽돌 및 이를 사용한 고로 노상부와 고로 노상부용 벽돌의 제조 방법 |
Also Published As
Publication number | Publication date |
---|---|
FR2668478A1 (fr) | 1992-04-30 |
US5212123A (en) | 1993-05-18 |
EP0482984B1 (fr) | 1995-05-24 |
KR0139421B1 (ko) | 1998-06-01 |
JP3212600B2 (ja) | 2001-09-25 |
FR2668478B1 (fr) | 1993-06-25 |
ATE123010T1 (de) | 1995-06-15 |
WO1992007806A1 (fr) | 1992-05-14 |
DE482984T1 (de) | 1993-09-02 |
EP0482984A1 (fr) | 1992-04-29 |
DE69110000T2 (de) | 1995-11-16 |
AU8851291A (en) | 1992-05-26 |
ES2075387T3 (es) | 1995-10-01 |
KR930702249A (ko) | 1993-09-08 |
DE69110000D1 (de) | 1995-06-29 |
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