DE245193T1 - Verfahren zur herstellung von keramischen verbundformkoerpern mittels anwendung einer sperre. - Google Patents
Verfahren zur herstellung von keramischen verbundformkoerpern mittels anwendung einer sperre.Info
- Publication number
- DE245193T1 DE245193T1 DE198787630076T DE87630076T DE245193T1 DE 245193 T1 DE245193 T1 DE 245193T1 DE 198787630076 T DE198787630076 T DE 198787630076T DE 87630076 T DE87630076 T DE 87630076T DE 245193 T1 DE245193 T1 DE 245193T1
- Authority
- DE
- Germany
- Prior art keywords
- reaction product
- oxidation reaction
- oxidizing agent
- metal
- molten metal
- 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.)
- Pending
Links
- 239000000919 ceramic Substances 0.000 title claims abstract 15
- 239000002131 composite material Substances 0.000 title claims abstract 6
- 238000004519 manufacturing process Methods 0.000 title claims abstract 5
- 229910052751 metal Inorganic materials 0.000 claims abstract 41
- 239000002184 metal Substances 0.000 claims abstract 41
- 238000007254 oxidation reaction Methods 0.000 claims abstract 35
- 239000007795 chemical reaction product Substances 0.000 claims abstract 34
- 239000007800 oxidant agent Substances 0.000 claims abstract 33
- 238000000034 method Methods 0.000 claims abstract 23
- 230000004888 barrier function Effects 0.000 claims abstract 20
- 239000000945 filler Substances 0.000 claims abstract 12
- 239000000463 material Substances 0.000 claims abstract 12
- 230000001590 oxidative effect Effects 0.000 claims abstract 10
- 239000011159 matrix material Substances 0.000 claims abstract 8
- 238000002844 melting Methods 0.000 claims abstract 8
- 230000008018 melting Effects 0.000 claims abstract 8
- 238000010438 heat treatment Methods 0.000 claims abstract 5
- 238000006243 chemical reaction Methods 0.000 claims abstract 4
- 239000000470 constituent Substances 0.000 claims abstract 4
- 239000012808 vapor phase Substances 0.000 claims abstract 4
- 230000003647 oxidation Effects 0.000 claims abstract 3
- 239000010953 base metal Substances 0.000 claims 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 7
- 239000002019 doping agent Substances 0.000 claims 6
- 229910052782 aluminium Inorganic materials 0.000 claims 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 4
- 230000000903 blocking effect Effects 0.000 claims 4
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims 4
- 239000000203 mixture Substances 0.000 claims 4
- 239000000377 silicon dioxide Substances 0.000 claims 4
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims 3
- 229910052796 boron Inorganic materials 0.000 claims 3
- 235000012239 silicon dioxide Nutrition 0.000 claims 3
- 239000007787 solid Substances 0.000 claims 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 claims 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims 2
- 230000015572 biosynthetic process Effects 0.000 claims 2
- 239000007789 gas Substances 0.000 claims 2
- 239000007788 liquid Substances 0.000 claims 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims 2
- 229910052698 phosphorus Inorganic materials 0.000 claims 2
- 239000011574 phosphorus Substances 0.000 claims 2
- 229910052710 silicon Inorganic materials 0.000 claims 2
- 239000010703 silicon Substances 0.000 claims 2
- 229910052718 tin Inorganic materials 0.000 claims 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 claims 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims 1
- 241001676573 Minium Species 0.000 claims 1
- 239000011398 Portland cement Substances 0.000 claims 1
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 claims 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 claims 1
- 229910052785 arsenic Inorganic materials 0.000 claims 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 1
- 239000011575 calcium Substances 0.000 claims 1
- 229910052791 calcium Inorganic materials 0.000 claims 1
- 239000001506 calcium phosphate Substances 0.000 claims 1
- 239000000378 calcium silicate Substances 0.000 claims 1
- 229910052918 calcium silicate Inorganic materials 0.000 claims 1
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 claims 1
- -1 ethylene, propylene, silicon Chemical class 0.000 claims 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 claims 1
- 229910052732 germanium Inorganic materials 0.000 claims 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 claims 1
- 229910052735 hafnium Inorganic materials 0.000 claims 1
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 claims 1
- 229910052736 halogen Inorganic materials 0.000 claims 1
- 150000002367 halogens Chemical class 0.000 claims 1
- 230000008595 infiltration Effects 0.000 claims 1
- 238000001764 infiltration Methods 0.000 claims 1
- 229910052744 lithium Inorganic materials 0.000 claims 1
- 239000011777 magnesium Substances 0.000 claims 1
- 229910052749 magnesium Inorganic materials 0.000 claims 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- 239000001294 propane Substances 0.000 claims 1
- 229910052711 selenium Inorganic materials 0.000 claims 1
- 239000011669 selenium Substances 0.000 claims 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims 1
- 229910010271 silicon carbide Inorganic materials 0.000 claims 1
- 229910052708 sodium Inorganic materials 0.000 claims 1
- 239000011734 sodium Substances 0.000 claims 1
- 229910052596 spinel Inorganic materials 0.000 claims 1
- 239000011029 spinel Substances 0.000 claims 1
- 229910001220 stainless steel Inorganic materials 0.000 claims 1
- 239000010935 stainless steel Substances 0.000 claims 1
- 229910052717 sulfur Inorganic materials 0.000 claims 1
- 239000011593 sulfur Substances 0.000 claims 1
- 229910052714 tellurium Inorganic materials 0.000 claims 1
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 claims 1
- 239000011135 tin Substances 0.000 claims 1
- 239000010936 titanium Substances 0.000 claims 1
- 229910052719 titanium Inorganic materials 0.000 claims 1
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 claims 1
- 229940078499 tricalcium phosphate Drugs 0.000 claims 1
- 229910000391 tricalcium phosphate Inorganic materials 0.000 claims 1
- 235000019731 tricalcium phosphate Nutrition 0.000 claims 1
- 229910052727 yttrium Inorganic materials 0.000 claims 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims 1
- 229910052725 zinc Inorganic materials 0.000 claims 1
- 239000011701 zinc Substances 0.000 claims 1
- 229910052726 zirconium Inorganic materials 0.000 claims 1
- 229910010293 ceramic material Inorganic materials 0.000 abstract 1
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
- B29C43/10—Isostatic pressing, i.e. using non-rigid pressure-exerting members against rigid parts or dies
-
- 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
- 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
- C04B35/515—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
- C04B35/56—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 carbides or oxycarbides
- C04B35/565—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 carbides or oxycarbides based on silicon carbide
-
- 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
- C04B35/628—Coating the powders or the macroscopic reinforcing agents
- C04B35/62844—Coating fibres
- C04B35/62847—Coating fibres with oxide ceramics
- C04B35/62852—Alumina or 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
- C04B35/622—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
- C04B35/652—Directional oxidation or solidification, e.g. Lanxide process
-
- 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
- C04B35/71—Ceramic products containing macroscopic reinforcing agents
-
- 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
- C04B35/71—Ceramic products containing macroscopic reinforcing agents
- C04B35/78—Ceramic products containing macroscopic reinforcing agents containing non-metallic materials
- C04B35/80—Fibres, filaments, whiskers, platelets, or the like
-
- 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
- C04B37/00—Joining burned ceramic articles with other burned ceramic articles or other articles by heating
- C04B37/003—Joining burned ceramic articles with other burned ceramic articles or other articles by heating by means of an interlayer consisting of a combination of materials selected from glass, or ceramic material with metals, metal oxides or metal salts
- C04B37/005—Joining burned ceramic articles with other burned ceramic articles or other articles by heating by means of an interlayer consisting of a combination of materials selected from glass, or ceramic material with metals, metal oxides or metal salts consisting of glass or ceramic material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
- B29C43/3642—Bags, bleeder sheets or cauls for isostatic pressing
- B29C2043/3652—Elastic moulds or mould parts, e.g. cores or inserts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/709—Articles shaped in a closed loop, e.g. conveyor belts
- B29L2031/7096—Rings or ring-like articles
-
- 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
-
- 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
- C04B2235/349—Clays, e.g. bentonites, smectites such as montmorillonite, vermiculites or kaolines, e.g. illite, talc or sepiolite
-
- 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
- C04B2235/38—Non-oxide ceramic constituents or additives
- C04B2235/3817—Carbides
- C04B2235/3826—Silicon carbides
-
- 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
- C04B2235/40—Metallic constituents or additives not added as binding phase
-
- 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
- C04B2235/40—Metallic constituents or additives not added as binding phase
- C04B2235/401—Alkaline earth metals
-
- 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
- C04B2235/40—Metallic constituents or additives not added as binding phase
- C04B2235/402—Aluminium
-
- 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
- C04B2235/40—Metallic constituents or additives not added as binding phase
- C04B2235/405—Iron group metals
-
- 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
- C04B2235/40—Metallic constituents or additives not added as binding phase
- C04B2235/407—Copper
-
- 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
- C04B2235/42—Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
- C04B2235/428—Silicon
-
- 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
- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/52—Constituents or additives characterised by their shapes
- C04B2235/5208—Fibers
- C04B2235/5216—Inorganic
- C04B2235/524—Non-oxidic, e.g. borides, carbides, silicides or nitrides
- C04B2235/5248—Carbon, e.g. graphite
-
- 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
- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/54—Particle size related information
- C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
- C04B2235/5436—Particle size related information expressed by the size of the particles or aggregates thereof micrometer sized, i.e. from 1 to 100 micron
-
- 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
- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/54—Particle size related information
- C04B2235/5463—Particle size distributions
- C04B2235/5472—Bimodal, multi-modal or multi-fraction
-
- 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
- C04B2235/60—Aspects relating to the preparation, properties or mechanical treatment of green bodies or pre-forms
- C04B2235/602—Making the green bodies or pre-forms by moulding
-
- 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
- C04B2235/60—Aspects relating to the preparation, properties or mechanical treatment of green bodies or pre-forms
- C04B2235/602—Making the green bodies or pre-forms by moulding
- C04B2235/6027—Slip casting
-
- 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
- C04B2235/6587—Influencing the atmosphere by vaporising a solid material, e.g. by using a burying of sacrificial powder
-
- 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
- C04B2235/66—Specific sintering techniques, e.g. centrifugal sintering
- C04B2235/661—Multi-step sintering
-
- 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
-
- 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
- C04B2235/95—Products characterised by their size, e.g. microceramics
-
- 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
- C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
- C04B2237/02—Aspects relating to interlayers, e.g. used to join ceramic articles with other articles by heating
- C04B2237/04—Ceramic interlayers
- C04B2237/06—Oxidic interlayers
- C04B2237/064—Oxidic interlayers based on alumina or 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
- C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
- C04B2237/30—Composition of layers of ceramic laminates or of ceramic or metallic articles to be joined by heating, e.g. Si substrates
- C04B2237/32—Ceramic
- C04B2237/36—Non-oxidic
- C04B2237/365—Silicon carbide
-
- 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
- C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
- C04B2237/50—Processing aspects relating to ceramic laminates or to the joining of ceramic articles with other articles by heating
- C04B2237/61—Joining two substrates of which at least one is porous by infiltrating the porous substrate with a liquid, such as a molten metal, causing bonding of the two substrates, e.g. joining two porous carbon substrates by infiltrating with molten silicon
-
- 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
- C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
- C04B2237/50—Processing aspects relating to ceramic laminates or to the joining of ceramic articles with other articles by heating
- C04B2237/62—Forming laminates or joined articles comprising holes, channels or other types of openings
-
- 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
- C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
- C04B2237/50—Processing aspects relating to ceramic laminates or to the joining of ceramic articles with other articles by heating
- C04B2237/76—Forming laminates or joined articles comprising at least one member in the form other than a sheet or disc, e.g. two tubes or a tube and a sheet or disc
- C04B2237/765—Forming laminates or joined articles comprising at least one member in the form other than a sheet or disc, e.g. two tubes or a tube and a sheet or disc at least one member being a tube
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Composite Materials (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Ceramic Products (AREA)
- Catalysts (AREA)
- Materials For Medical Uses (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Cephalosporin Compounds (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Table Devices Or Equipment (AREA)
- Laminated Bodies (AREA)
Claims (21)
1. Verfahren zur Herstellung eines freitragenden keramischen
Körpers durch Oxidation eines Grundmetalls unter Ausbildung eines polykristallinen Materials, das im wesentlichen besteht
aus (1) dem Oxidationsreaktionsprodukt des Grundmetalls mit einem Oxidationsmittel, einschließlich eines Dampfphasen-Oxidationsmittels,
sowie, ggf., aus (2) einem oder mehreren metallischen Bestandteilen, wobei das Verfahren die Schritte
umfaßt: (a) Versehen wenigstens eines Teils des Grundmetalls mit einem Sperrelement, das wenigstens teilweise in einem
Abstand von dem Grundmetall angeordnet ist, um wenigstens eine Oberfläche des keramischen Körpers festzulegen; (b)
Erhitzen dieses Grundmetalls auf eine Temperatur über seinem Schmelzpunkt jedoch unterhalb des Schmelzpunkts des Oxidationsreaktionsprodukts
, um einen Körper aus geschmolzenem Metall zu bilden, und, bei dieser Temperatur, (i) Umsetzen des geschmolzenen
Metalls mit dem Oxidationsmittel unter Bildung des Oxidationsreaktionsprodukts, (ii) Halten wenigstens eines
Teils des Oxidationsreaktionsprodukts in Kontakt mit und zwischen dem geschmolzenen Metall und dem Oxidationsmittel, um
geschmolzenes Metall durch das Oxidationsreaktionsprodukt zu
dem Sperrelement und in einen Kontakt mit dem Oxidationsmittel zu transportieren, so daß das Oxidationsreaktionsprodukt sich
fortgesetzt an der Grenzfläche zwischen dem Oxidationsmittel und dem vorher gebildeten Oxidationsreaktionsprodukt bildet,
und (iii) Fortsetzen dieser Reaktion bis zu dem Sperrelement, um den keramischen Körper herzustellen, der eine Oberfläche
aufweist, die durch das genannte Sperrelement festgelegt ist.
2. Verfahren zur Herstellung einer freitragenden keramischen
Verbundmaterialstruktur mit einer Masse eines Füllstoffmaterials, das von einer keramischen Matrix infiltriert ist, die
02A5193 durch Oxidation eines Grundmetalls unter Ausbildung eines
polykristallinen Matrixmaterials erhalten wurde, wobei dieses polykristalline Matrixmaterial im wesentlichen besteht aus (1)
dem Oxidationsreaktionsprodukt des Grundmetalls mit einem oder mehreren Oxidationsmitteln, einschließlich eines Dampfphasen-Oxidationsmittels,
und, ggf., aus (2) einem oder mehreren metallischen Bestandteilen, wobei das Verfahren die Schritte
umfaßt: (a) Erhitzen des Grundmetalls auf eine Temperatur über seinem Schmelzpunkt, jedoch unterhalb des Schmelzpunkts des
Oxidationsreaktionsprodukts, um einen Körper aus einem geschmolzenen Metall zu bilden, (b) Inkontaktbringen eines
Bereichs der Masse des Füllstoffmaterials mit dem Körper aus
geschmolzenem Metall, wobei die Masse des Füllstoffmaterials wenigstens eine Oberfläche aufweist, die durch ein Sperrelement
definiert wird, das wenigstens teilweise in einem Abstand von dem genannten Kontaktbereich angeordnet ist, so daß die Bildung des Oxidationsreaktionsprodukts in die Masse des Füllstoffmaterials
hinein und in einer Richtung zu dem Sperrelement erfolgt, und, bei dieser Temperatur, (i) Umsetzen des geschmolzenen
Metalls mit dem Oxidationsmittel unter Ausbildung des Oxidationsreaktionsprodukts, (ii) Halten wenigstens
eines Teils des Oxidationsreaktionsprodukts in Kontakt mit und zwischen dem geschmolzenen Metall und dem Oxidationsmittel,
um fortschreitend geschmolzenes Metall durch das Oxidationsreaktionsprodukt zu dem Oxidationsmittel zu transportieren,
so daß sich das Oxidationsreaktionsprodukt fortgesetzt an der Grenzfläche zwischen dem Oxidationsmittel und dem vorher
gebildeten Oxidationsreaktionsprodukt, das die Masse des Füllstoff
materials infiltriert hat, neu bildet, und (iii) Fortsetzen dieser Reaktion bis zu dem Sperrelement, um die keramische
Verbundmaterialstruktur herzustellen, die eine Oberfläche aufweist, die durch das Sperrelement festgelegt ist.
3. Verfahren zur Herstellung eines keramischen Verbundmaterialkörpers
einer gewünschten Form mit einer Vorform, die von einer keramischen Matrix infiltriert ist, die durch Oxidation
eines Grundmetalls unter Bildung einer polykristallinen Matrix erhalten wurde, wobei diese polykristalline Matrix im wesent-
lichen besteht aus (1) dem Oxidationsreaktionsprodukt des Grundmetalls
mit einem oder mehreren Oxidationsmitteln, einschließlich eines Dampfphasen-Oxidationsmittels, und, ggf., aus (2)
einem oder mehreren metallischen Bestandteilen, wobei das Verfahren die Schritte umfaßt: (a) Erhitzen des Grundmetalls
auf eine Temperatur oberhalb seines Schmelzpunkts, jedoch unterhalb des Schmelzpunkts des Oxidationsreaktionsprodukts,
um einen Körper aus geschmolzenem Metall zu bilden, (b) Vorsehen einer geformten Vorform mit wenigstens einer Oberfläche,
die durch ein Sperrelement definiert ist, wobei diese Vorform bezüglich einer Infiltration durch das Oxidationsreaktionsprodukt
permeabel ist, (c) Inkontaktbringen eines Bereichs dieser Vorform mit dem Körper aus geschmolzenem Metall, wobei
die Oberfläche der Vorform in einem Abstand von dem Kontaktbereich
angeordnet ist, so daß die Bildung des Oxidationsreaktionsprodukts in die Vorform hinein und in eine Richtung
zu dieser Oberfläche hin erfolgt, und, bei der genannten Temperatur, (i) Umsetzen des geschmolzenen Metalls mit dem Oxidationsmittel,
um das Oxidationsreaktionsprodukt zu bilden, (ü) Halten wenigstens eines Teils des Oxidationsreaktionsprodukts
in Kontakt mit und zwischen dem geschmolzenen Metall und dem Oxidationsmittel, um fortschreitend
geschmolzenes Metall durch das Oxidationsreaktionsprodukt zu dem Oxidationsmittel zu transportieren, so daß sich fortgesetzt
das Oxidationsreaktionsprodukt an der Grenzfläche zwischen dem Oxidationsmittel und dem vorher gebildeten Oxidationsreaktionsprodukt,
das die Vorform infiltriert hat, neu bildet, und (iii) Fortsetzen dieser Reaktion, bis die polykristalline
Matrix die Vorform bis zu dem,Sperrelement unter Herstellung des keramischen Verbundmaterialkörpers infiltriert hat und die
Konfiguration der Vorform und eine Oberfläche, die durch das Sperrelement festgelegt ist, aufweist.
4. Verfahren nach Anspruch 1, 2 oder 3, bei dem das Sperrelement beim Kontakt mit dem transportierten schmelzflüssigen
Grundmetall im wesentlichen durch dieses transportierte geschmolzene Grundmetall unbenetzbar ist.
5. Verfahren nach Anspruch 1, 2 oder 3, bei dem das Sperrelement beim Kontakt mit dem transportierten geschmolzenen Metall
mit diesem transportierten geschmolzenen Grundmetall reagiert, so daß der Transport des genannten geschmolzenen Grundmetalls
durch das Oxidationsreaktionsprodukt im wesentlichen verhindert wird.
6. Verfahren nach den Ansprüchen 1, 2 oder 3, bei dem das Sperrelement ausgewählt ist aus einer Gruppe, die besteht aus
Calciumsulfat, Calciumsilicat, Portlandzement, Tricalciumphosphat
oder deren Mischungen und ggf. Siliciumdioxid und Calciumsulfat einschließt.
7. Verfahren nach Anspruch 6, bei dem das Sperrelement zu-
sätzlich ein verflüchtigbares Material enthält, um das Sperrelement unter den Verfahrensbedingungen durchlässig zu machen.
8. Verfahren nach Anspruch 6, bei dem das Sperrelement zusätzlich einen Füllstoff enthält.
9. Verfahren nach Anspruch 8, bei dem der genannte Füllstoff eine teilchenförmige Form aufweist und im wesentlichen den
gleichen Ausdehnungskoeffizienten wie das Füllstoff material
oder die Vorform aufweist.
10. Verfahren nach Anspruch 8 oder 9, bei dem der Füllstoff
Aluminiumoxid ist.
11. Verfahren nach den Ansprüchen 1, 2 oder 3, bei dem das
Sperrelement nichtrostenden Stahl oder eine dichte Keramik enthält.
12. Verfahren nach den Ansprüchen 1, 2 oder 3, bei dem das Grundmetall ausgewählt ist aus einer Gruppe, die aus Aluminium,
Silicium, Titan, Zinn, Zirkonium und Hafnium besteht.
13. Verfahren nach den Ansprüchen 2 oder 3, bei dem das
Oxidationsmittel wenigstens ein festes Oxidationsmittel
oder ein flüssiges Oxidationsmittel oder eine Kombination eines festen Oxidationsmittels und eines flüssigen Oxidationsmittels
einschließt, das oder die in das Füllstoffmaterial oder die Vorform inkorporiert sind.
14. Verfahren nach Anspruch 12, bei dem das feste Oxidationsmittel
aus einer Gruppe ausgewählt ist, die aus Siliciumdioxid, Bor und reduzierbaren Boriden besteht.
15. Verfahren nach den Ansprüchen 1, 2 oder 3, bei dem das Oxidationsmittel aus einer Gruppe ausgewählt ist, die aus
einem sauerstoffhaltigen Gas, einem stickstoffhaltigen Gas,
einem Halogen, Schwefel, Phosphor, Arsen, Kohlenstoff, Bor,
Selen, Tellur, einer E^/H^O-Mischung, Methan, Ethan, Propan,
Acetylen, Ethylen, Propylen, Siliciumdioxid und einer CO/CO2-Mischung
oder Mischungen davon besteht.
16. Verfahren nach Anspruch 3, bei dem die Vorform Materialien enthält, die aus einer Gruppe ausgewählt sind, die aus Siliciumdioxid,
Siliciumcarbid und Aluminiumoxid besteht.
17. Verfahren nach den Ansprüchen 1, 2 oder 3, bei dem in Verbindung
mit dem Grundmetall eine Quelle für ein Dotierungsmittel verwendet wird.
18. Verfahren nach Anspruch 17, bei dem die Quelle für das Dotierungsmittel eine Quelle für zwei oder mehr der Elemente
Magnesium, Zink, Silicium, Germanium, Zinn, Blei, Bor, Natrium, Lithium, Calcium, Phosphor, Yttrium und seltene Erden einschließt.
19. Verfahren nach Anspruch 18, bei dem das Grundmetall Aluminium ist und das polykristalline Metall außerdem eine Startoberfläche
aus einem Spinell aufweist, der als das Oxidationsreaktionsprodukt des Grundmetalls, der Dotierungsmittel-Quelle
und des Oxidationsmittels gebildet wurde.
20. Verfahren nach Anspruch 17, bei dem das Grundmetall Alu-
minium ist und wenigstens eine Dotierungsmxttelquelle einschließt,
die mit dem Grundmetall legiert ist, sowie wenigstens eine Dotierungsmxttelquelle, die auf die Oberfläche des Grundmetalls
aufgebracht ist.
21. Verfahren nach den Ansprüchen 1, 2 oder 3, bei dem das Grundmetall Aluminium ist und in Verbindung mit einer Dotierungsmittel-Quelle
verwendet wird, das Oxidationsmittel Luft ist, die Erhitzungsstufe bei einer Temperatur zwischen 8500C
und 1450°C durchgeführt wird und das Oxidationsreaktionsprodukt Aluminiumoxid ist.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/861,024 US4923832A (en) | 1986-05-08 | 1986-05-08 | Method of making shaped ceramic composites with the use of a barrier |
Publications (1)
Publication Number | Publication Date |
---|---|
DE245193T1 true DE245193T1 (de) | 1988-05-19 |
Family
ID=25334663
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE198787630076T Pending DE245193T1 (de) | 1986-05-08 | 1987-04-30 | Verfahren zur herstellung von keramischen verbundformkoerpern mittels anwendung einer sperre. |
DE8787630076T Expired - Fee Related DE3777871D1 (de) | 1986-05-08 | 1987-04-30 | Verfahren zur herstellung von keramischen verbundformkoerpern mittels anwendung einer sperre. |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8787630076T Expired - Fee Related DE3777871D1 (de) | 1986-05-08 | 1987-04-30 | Verfahren zur herstellung von keramischen verbundformkoerpern mittels anwendung einer sperre. |
Country Status (30)
Country | Link |
---|---|
US (1) | US4923832A (de) |
EP (1) | EP0245193B1 (de) |
JP (1) | JP2518847B2 (de) |
KR (1) | KR950004064B1 (de) |
CN (1) | CN1033021C (de) |
AT (1) | ATE74339T1 (de) |
AU (1) | AU591280B2 (de) |
BG (1) | BG50155A3 (de) |
BR (1) | BR8702282A (de) |
CA (1) | CA1313942C (de) |
CS (1) | CS8703236A3 (de) |
DE (2) | DE245193T1 (de) |
DK (1) | DK166963B1 (de) |
ES (1) | ES2000419T3 (de) |
FI (1) | FI86296C (de) |
GR (1) | GR3005073T3 (de) |
HU (1) | HU198429B (de) |
IE (1) | IE60942B1 (de) |
IL (1) | IL82463A (de) |
IN (1) | IN167358B (de) |
MX (1) | MX166922B (de) |
NO (1) | NO175676C (de) |
NZ (1) | NZ220182A (de) |
PH (1) | PH26793A (de) |
PL (1) | PL154669B1 (de) |
PT (1) | PT84843B (de) |
RU (1) | RU2039023C1 (de) |
TR (1) | TR23773A (de) |
YU (1) | YU46617B (de) |
ZA (1) | ZA872585B (de) |
Families Citing this family (47)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5236786A (en) * | 1986-05-08 | 1993-08-17 | Lanxide Technology Company, Lp | Shaped ceramic composites with a barrier |
US5340655A (en) * | 1986-05-08 | 1994-08-23 | Lanxide Technology Company, Lp | Method of making shaped ceramic composites with the use of a barrier and articles produced thereby |
US5238886A (en) * | 1986-09-16 | 1993-08-24 | Lanxide Technology Company, Lp | Surface bonding of ceramic bodies |
US4960736A (en) * | 1986-09-16 | 1990-10-02 | Lanxide Technology Company, Lp | Surface bonding of ceramic bodies |
US5104835A (en) * | 1986-09-16 | 1992-04-14 | Lanxide Technology Company, Lp | Surface bonding of ceramic bodies |
US5516595A (en) * | 1986-09-16 | 1996-05-14 | Lanxide Technology Company, Lp | Production of ceramic and ceramic-metal composite articles with surface coatings |
US5268339A (en) * | 1986-09-17 | 1993-12-07 | Lanxide Technology Company, Lp | Method for in situ tailoring the component of ceramic articles |
US5633213A (en) * | 1986-09-17 | 1997-05-27 | Lanxide Technology Company, Lp | Method for in situ tailoring the component of ceramic articles |
TR23487A (tr) * | 1986-12-22 | 1990-02-01 | Lanxide Technology Co Ltd | Sekilli seramik bilesikleri yapma yoentemi |
US5202059A (en) * | 1987-06-12 | 1993-04-13 | Lanxide Technology Company, Lp | Coated ceramic filler materials |
US4873038A (en) * | 1987-07-06 | 1989-10-10 | Lanxide Technology Comapny, Lp | Method for producing ceramic/metal heat storage media, and to the product thereof |
YU125388A (en) * | 1987-07-06 | 1990-04-30 | Lanxide Technology Co Ltd | Processes for shaping complex products of oxidation reactions including supra conducting articles |
US5102864A (en) * | 1987-07-06 | 1992-04-07 | Lanxide Technology Company, Lp | Methods for forming complex oxidation reaction products including superconducting articles |
US5523270A (en) * | 1987-07-06 | 1996-06-04 | Lanxide Technology Company, Lp | Complex perovskite oxidation reaction products |
US4849266A (en) * | 1987-11-03 | 1989-07-18 | Lanxide Technology Company, Lp | Compliant layer |
US4957779A (en) * | 1988-02-18 | 1990-09-18 | Lanxide Technology Company, Lp | Method for producing a protective layer on a ceramic body |
DE3812266C1 (de) * | 1988-04-13 | 1989-08-24 | Nils Prof. Dr. 2107 Rosengarten De Claussen | |
US5553657A (en) * | 1988-11-10 | 1996-09-10 | Lanxide Technology Company, Lp | Gating means for metal matrix composite manufacture |
IL92396A0 (en) * | 1989-01-13 | 1990-07-26 | Lanxide Technology Co Ltd | Method of producing ceramic composite bodies |
US5185298A (en) * | 1989-05-30 | 1993-02-09 | Lanxide Technology Company, Lp | Method of making ceramic composite bodies incorporating filler material and bodies produced thereby |
US5262203A (en) * | 1989-07-07 | 1993-11-16 | Lanxide Technology Company, Lp | Methods of producing ceramic and ceramic composite bodies |
US5120580A (en) * | 1989-07-07 | 1992-06-09 | Lanxide Technology Company, Lp | Methods of producing ceramic and ceramic composite bodies |
IL94958A (en) * | 1989-07-21 | 1995-05-26 | Lanxide Technology Co Ltd | A method for producing complex and connected bodies by infiltrating an autogenous vacuum and macro-complex bodies thus formed |
US5163498A (en) * | 1989-11-07 | 1992-11-17 | Lanxide Technology Company, Lp | Method of forming metal matrix composite bodies having complex shapes by a self-generated vacuum process, and products produced therefrom |
JPH05507123A (ja) * | 1990-05-09 | 1993-10-14 | ランキサイド テクノロジー カンパニー,リミティド パートナーシップ | 金属マトリックス複合材を得るためのバリヤ材料 |
US5505248A (en) * | 1990-05-09 | 1996-04-09 | Lanxide Technology Company, Lp | Barrier materials for making metal matrix composites |
US5851686A (en) * | 1990-05-09 | 1998-12-22 | Lanxide Technology Company, L.P. | Gating mean for metal matrix composite manufacture |
DE4039530A1 (de) * | 1990-05-29 | 1991-12-05 | Claussen Nils | Reaktionsgebundener mullit-haltiger keramikformkoerper, seine herstellung und seine verwendung |
US5154425A (en) * | 1990-10-19 | 1992-10-13 | Lanxide Technology Company, Lp | Composite golf club head |
US5458480A (en) * | 1990-12-05 | 1995-10-17 | Newkirk; Marc S. | Tooling materials for molds |
WO1992022517A1 (en) * | 1991-06-19 | 1992-12-23 | Lanxide Technology Company | Novel aluminum nitride refractory materials and methods for making the same |
US5214011A (en) * | 1991-08-30 | 1993-05-25 | Bfd, Incorporated | Process for preparing ceramic-metal composite bodies |
DE69309917T2 (de) * | 1992-03-20 | 1997-07-31 | Lanxide Technology Co Ltd | Herstellung von Cementkörpern durch reaktive Infiltration |
US5306676A (en) * | 1993-03-09 | 1994-04-26 | Lanxide Technology Company, Lp | Silicon carbide bodies and methods of making the same |
US5350003A (en) * | 1993-07-09 | 1994-09-27 | Lanxide Technology Company, Lp | Removing metal from composite bodies and resulting products |
US5728638A (en) * | 1996-08-21 | 1998-03-17 | Bfd, Inc. | Metal/ceramic composites containing inert metals |
US5837047A (en) * | 1996-12-11 | 1998-11-17 | Ashland Inc. | Heat curable binder systems and their use |
JP4014254B2 (ja) * | 1997-07-18 | 2007-11-28 | 日本碍子株式会社 | Si濃度段階的変化型Si−SiC材料及びSi濃度段階的変化型SiC繊維強化Si−SiC複合材料並びにこれらの製造方法 |
JP3987201B2 (ja) | 1998-05-01 | 2007-10-03 | 日本碍子株式会社 | 接合体の製造方法 |
US20060060633A1 (en) * | 2004-09-22 | 2006-03-23 | Battelle Memorial Institute | High strength insulating metal-to-ceramic joints for solid oxide fuel cells and other high temperature applications and method of making |
US20090095436A1 (en) * | 2007-10-11 | 2009-04-16 | Jean-Louis Pessin | Composite Casting Method of Wear-Resistant Abrasive Fluid Handling Components |
WO2011038206A2 (en) * | 2009-09-24 | 2011-03-31 | Ceramic Sciences Group, Llc | Surface-etched etched alumina/sic mini-whisker composite material and uses thereof |
CN101800348A (zh) * | 2010-04-01 | 2010-08-11 | 张家港保税区灿勤科技有限公司 | Tm模介质谐振器 |
CN106518036A (zh) * | 2016-09-20 | 2017-03-22 | 崔松伟 | 一种低收缩膨胀率陶瓷制品及其制备方法 |
CN106518018A (zh) * | 2016-09-20 | 2017-03-22 | 崔松伟 | 一种陶瓷制品及其制备方法 |
CN106395649B (zh) * | 2016-09-23 | 2018-09-28 | 四川欧瑞建设集团有限公司 | 一种工程用塔机的标准节结构 |
CN107083526A (zh) * | 2017-06-23 | 2017-08-22 | 巢湖市兰天大诚门窗幕墙有限公司 | 一种具有电磁屏蔽功能的幕墙基板材料 |
Family Cites Families (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1362237A (en) * | 1920-08-09 | 1920-12-14 | Ros Dudley De | Oxidation of tin |
US2741822A (en) * | 1951-01-29 | 1956-04-17 | Carborundum Co | Preparation of refractory products |
US3108887A (en) * | 1959-05-06 | 1963-10-29 | Carborundum Co | Refractory articles and method of making same |
DE1131195B (de) * | 1959-06-24 | 1962-06-14 | Union Carbide Corp | Vorrichtung zur Herstellung von Aluminiumnitrid |
US3255027A (en) * | 1962-09-07 | 1966-06-07 | Du Pont | Refractory product and process |
US3298842A (en) * | 1963-03-22 | 1967-01-17 | Du Pont | Process for preparing hollow refractory particles |
US3296002A (en) * | 1963-07-11 | 1967-01-03 | Du Pont | Refractory shapes |
US3262763A (en) * | 1964-02-19 | 1966-07-26 | Du Pont | High temperature-resistant materials of aluminum, boron, nitrogen, and silicon and preparation thereof |
US3419404A (en) * | 1964-06-26 | 1968-12-31 | Minnesota Mining & Mfg | Partially nitrided aluminum refractory material |
US3473987A (en) * | 1965-07-13 | 1969-10-21 | Du Pont | Method of making thin-walled refractory structures |
DE1567844A1 (de) * | 1965-08-13 | 1970-10-22 | Tokyo Shibaura Electric Co | Methode zur Herstellung einer gesinterten Masse von Aluminium-Nitrid |
US3421863A (en) * | 1966-03-04 | 1969-01-14 | Texas Instruments Inc | Cermet material and method of making same |
US3437468A (en) * | 1966-05-06 | 1969-04-08 | Du Pont | Alumina-spinel composite material |
US3789096A (en) * | 1967-06-01 | 1974-01-29 | Kaman Sciences Corp | Method of impregnating porous refractory bodies with inorganic chromium compound |
US3473938A (en) * | 1968-04-05 | 1969-10-21 | Du Pont | Process for making high strength refractory structures |
US3538231A (en) * | 1969-03-25 | 1970-11-03 | Intern Materials | Oxidation resistant high temperature structures |
GB1303072A (de) * | 1969-11-26 | 1973-01-17 | ||
US3864154A (en) * | 1972-11-09 | 1975-02-04 | Us Army | Ceramic-metal systems by infiltration |
US3973977A (en) * | 1973-11-01 | 1976-08-10 | Corning Glass Works | Making spinel and aluminum-base metal cermet |
JPS5325300A (en) * | 1976-08-20 | 1978-03-08 | Nippon Crucible Co | Process for preparing betaatype silicon carbide particle |
SU1011527A1 (ru) * | 1981-11-17 | 1983-04-15 | Предприятие П/Я А-3481 | Способ получени двуокиси олова |
GB2127709A (en) * | 1982-10-06 | 1984-04-18 | Univ Edinburgh | Manufacture of aluminium nitride |
DE3381519D1 (de) * | 1983-02-16 | 1990-06-07 | Moltech Invent Sa | Gesinterte metall-keramikverbundwerkstoffe und ihre herstellung. |
JPS60127208A (ja) * | 1983-12-15 | 1985-07-06 | Toshiba Corp | 窒化アルミニウム粉末の製造方法 |
NZ211405A (en) * | 1984-03-16 | 1988-03-30 | Lanxide Corp | Producing ceramic structures by oxidising liquid phase parent metal with vapour phase oxidising environment; certain structures |
NZ212704A (en) * | 1984-07-20 | 1989-01-06 | Lanxide Corp | Producing self-supporting ceramic structure |
US4828785A (en) * | 1986-01-27 | 1989-05-09 | Lanxide Technology Company, Lp | Inverse shape replication method of making ceramic composite articles |
MX164959B (es) * | 1986-05-08 | 1992-10-09 | Lanxide Tecnology Company Lp | Un metodo para producir un cuerpo compuesto ceramico |
-
1986
- 1986-05-08 US US06/861,024 patent/US4923832A/en not_active Expired - Lifetime
-
1987
- 1987-04-10 ZA ZA872585A patent/ZA872585B/xx unknown
- 1987-04-30 ES ES198787630076T patent/ES2000419T3/es not_active Expired - Lifetime
- 1987-04-30 DE DE198787630076T patent/DE245193T1/de active Pending
- 1987-04-30 AT AT87630076T patent/ATE74339T1/de not_active IP Right Cessation
- 1987-04-30 EP EP87630076A patent/EP0245193B1/de not_active Expired - Lifetime
- 1987-04-30 DE DE8787630076T patent/DE3777871D1/de not_active Expired - Fee Related
- 1987-05-04 NO NO871828A patent/NO175676C/no unknown
- 1987-05-04 NZ NZ220182A patent/NZ220182A/xx unknown
- 1987-05-04 IN IN361/CAL/87A patent/IN167358B/en unknown
- 1987-05-04 BG BG079584A patent/BG50155A3/xx unknown
- 1987-05-05 HU HU872005A patent/HU198429B/hu not_active IP Right Cessation
- 1987-05-05 PH PH35227A patent/PH26793A/en unknown
- 1987-05-06 PL PL1987265520A patent/PL154669B1/pl unknown
- 1987-05-06 FI FI872020A patent/FI86296C/fi not_active IP Right Cessation
- 1987-05-06 BR BR8702282A patent/BR8702282A/pt not_active IP Right Cessation
- 1987-05-06 TR TR87/0319A patent/TR23773A/xx unknown
- 1987-05-06 AU AU72617/87A patent/AU591280B2/en not_active Ceased
- 1987-05-07 YU YU81387A patent/YU46617B/sh unknown
- 1987-05-07 DK DK233287A patent/DK166963B1/da not_active IP Right Cessation
- 1987-05-07 RU SU874202558A patent/RU2039023C1/ru not_active IP Right Cessation
- 1987-05-07 CN CN87103352A patent/CN1033021C/zh not_active Expired - Fee Related
- 1987-05-07 CS CS873236A patent/CS8703236A3/cs not_active IP Right Cessation
- 1987-05-07 JP JP62111642A patent/JP2518847B2/ja not_active Expired - Lifetime
- 1987-05-08 MX MX006910A patent/MX166922B/es unknown
- 1987-05-08 PT PT84843A patent/PT84843B/pt not_active IP Right Cessation
- 1987-05-08 IL IL82463A patent/IL82463A/xx unknown
- 1987-05-08 KR KR1019870004516A patent/KR950004064B1/ko not_active IP Right Cessation
- 1987-05-08 CA CA000536645A patent/CA1313942C/en not_active Expired - Fee Related
- 1987-05-11 IE IE114487A patent/IE60942B1/en not_active IP Right Cessation
-
1992
- 1992-07-01 GR GR920401417T patent/GR3005073T3/el unknown
Also Published As
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE245193T1 (de) | Verfahren zur herstellung von keramischen verbundformkoerpern mittels anwendung einer sperre. | |
DE245192T1 (de) | Keramische verbundformkoerper sowie verfahren zu ihrer herstellung. | |
DE3326176C2 (de) | ||
DE3210987C2 (de) | ||
DE2759159C2 (de) | ||
DE3719515A1 (de) | Oxidationsbeständiger Körper aus Kohlenstoff und Verfahren zu seiner Herstellung | |
DE2642554C3 (de) | Verfahren zur Herstellung von a- Siliziumnitrid | |
DE3784123T2 (de) | Verfahren zur herstellung keramischer verbundwerkstoffe. | |
DE2759243A1 (de) | Polykristalliner siliziumnitrid- sinterkoerper und verfahren zu dessen herstellung | |
DE2651140A1 (de) | Siliciumcarbidsinterkoerper und verfahren zur herstellung derselben | |
DE4041902C2 (de) | ||
DE2936940C2 (de) | ||
DE3786312T2 (de) | Verfahren zur Darstellung von Verbundkörpern. | |
DE3782304T2 (de) | Herstellung von keramischen und metallkeramischen fuellstoff enthaltenden verbundkoerpern. | |
DE69200351T2 (de) | Verfahren zur Direktnitridierung von Metallen mit niedrigem Schmelzpunkt. | |
DE3602647C2 (de) | ||
DE1571425B2 (de) | Kohlenstoffhaltiger Gegenstand mit einer Schutzschicht aus Siliciumkarbid und Verfahren zum Herstellen desselben | |
ATE79418T1 (de) | Verfahren zur herstellung von schichten aus einem oxidkeramischen supraleitermaterial auf einem substrat mittels cvd-prozess. | |
US5484751A (en) | Metal/metalloid nitride/carbide ceramic powders prepared by flash pyrolysis | |
WO1979000178A1 (en) | Process and installation for producing silicon carbide with a very high purity | |
DE4219773C2 (de) | Verfahren zur Herstellung von Siliciumnitrid-Filamenten |