CA1088107A - Silicon carbide-boron carbide sintered body - Google Patents
Silicon carbide-boron carbide sintered bodyInfo
- Publication number
- CA1088107A CA1088107A CA283,216A CA283216A CA1088107A CA 1088107 A CA1088107 A CA 1088107A CA 283216 A CA283216 A CA 283216A CA 1088107 A CA1088107 A CA 1088107A
- Authority
- CA
- Canada
- Prior art keywords
- silicon carbide
- carbide
- boron
- boron carbide
- weight
- 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.)
- Expired
Links
- 229910052580 B4C Inorganic materials 0.000 title claims abstract description 72
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title description 10
- 229910052710 silicon Inorganic materials 0.000 title description 10
- 239000010703 silicon Substances 0.000 title description 10
- 229910010271 silicon carbide Inorganic materials 0.000 claims abstract description 94
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 claims abstract description 63
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims abstract description 54
- 239000000203 mixture Substances 0.000 claims abstract description 22
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 43
- 229910052799 carbon Inorganic materials 0.000 claims description 41
- 239000002245 particle Substances 0.000 claims description 14
- 239000000654 additive Substances 0.000 abstract description 5
- 230000000996 additive effect Effects 0.000 abstract description 4
- 239000000843 powder Substances 0.000 description 31
- 239000000047 product Substances 0.000 description 29
- 238000005245 sintering Methods 0.000 description 28
- 238000000034 method Methods 0.000 description 25
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 22
- 229910052796 boron Inorganic materials 0.000 description 22
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 18
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 16
- 239000011368 organic material Substances 0.000 description 16
- 239000006185 dispersion Substances 0.000 description 13
- 230000008569 process Effects 0.000 description 12
- 229910052760 oxygen Inorganic materials 0.000 description 9
- 239000008188 pellet Substances 0.000 description 9
- 239000000377 silicon dioxide Substances 0.000 description 9
- 229910052786 argon Inorganic materials 0.000 description 8
- 239000001301 oxygen Substances 0.000 description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 7
- 238000000354 decomposition reaction Methods 0.000 description 7
- 230000005496 eutectics Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 238000004458 analytical method Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000000280 densification Methods 0.000 description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- -1 butyl alcohol Chemical class 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 4
- 230000002542 deteriorative effect Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 238000011065 in-situ storage Methods 0.000 description 4
- 238000000197 pyrolysis Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 150000001639 boron compounds Chemical class 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 150000001491 aromatic compounds Chemical class 0.000 description 2
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- WDECIBYCCFPHNR-UHFFFAOYSA-N chrysene Chemical compound C1=CC=CC2=CC=C3C4=CC=CC=C4C=CC3=C21 WDECIBYCCFPHNR-UHFFFAOYSA-N 0.000 description 2
- 229910052681 coesite Inorganic materials 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 229910052906 cristobalite Inorganic materials 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000010902 jet-milling Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 229920003986 novolac Polymers 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 239000006104 solid solution Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 241000894007 species Species 0.000 description 2
- 238000010561 standard procedure Methods 0.000 description 2
- 229910052682 stishovite Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 229910052905 tridymite Inorganic materials 0.000 description 2
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 1
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 1
- ZRYCRPNCXLQHPN-UHFFFAOYSA-N 3-hydroxy-2-methylbenzaldehyde Chemical compound CC1=C(O)C=CC=C1C=O ZRYCRPNCXLQHPN-UHFFFAOYSA-N 0.000 description 1
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 1
- 239000012448 Lithium borohydride Substances 0.000 description 1
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 1
- 239000005642 Oleic acid Substances 0.000 description 1
- 241000404144 Pieris melete Species 0.000 description 1
- 229920000265 Polyparaphenylene Polymers 0.000 description 1
- 239000006230 acetylene black Substances 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- CEGOLXSVJUTHNZ-UHFFFAOYSA-K aluminium tristearate Chemical compound [Al+3].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CEGOLXSVJUTHNZ-UHFFFAOYSA-K 0.000 description 1
- 229940063655 aluminum stearate Drugs 0.000 description 1
- 238000000498 ball milling Methods 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000011280 coal tar Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000007859 condensation product Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- SLGWESQGEUXWJQ-UHFFFAOYSA-N formaldehyde;phenol Chemical compound O=C.OC1=CC=CC=C1 SLGWESQGEUXWJQ-UHFFFAOYSA-N 0.000 description 1
- DYDNPESBYVVLBO-UHFFFAOYSA-N formanilide Chemical compound O=CNC1=CC=CC=C1 DYDNPESBYVVLBO-UHFFFAOYSA-N 0.000 description 1
- 238000004108 freeze drying Methods 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000007970 homogeneous dispersion Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005088 metallography Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000000399 optical microscopy Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 150000002926 oxygen Chemical class 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000013001 point bending Methods 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920005547 polycyclic aromatic hydrocarbon Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011214 refractory ceramic Substances 0.000 description 1
- 150000003377 silicon compounds Chemical class 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000004627 transmission electron microscopy Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- MXSVLWZRHLXFKH-UHFFFAOYSA-N triphenylborane Chemical compound C1=CC=CC=C1B(C=1C=CC=CC=1)C1=CC=CC=C1 MXSVLWZRHLXFKH-UHFFFAOYSA-N 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 230000004584 weight gain Effects 0.000 description 1
- 235000019786 weight gain Nutrition 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 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
- 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
- C04B35/515—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
- C04B35/563—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 boron carbide
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Ceramic Products (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/711,550 US4081284A (en) | 1976-08-04 | 1976-08-04 | Silicon carbide-boron carbide sintered body |
| US711,550 | 1976-08-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1088107A true CA1088107A (en) | 1980-10-21 |
Family
ID=24858533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA283,216A Expired CA1088107A (en) | 1976-08-04 | 1977-07-21 | Silicon carbide-boron carbide sintered body |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4081284A (enExample) |
| JP (1) | JPS5852948B2 (enExample) |
| AT (1) | AT372065B (enExample) |
| CA (1) | CA1088107A (enExample) |
| DE (1) | DE2734425C2 (enExample) |
| FR (1) | FR2360534A1 (enExample) |
| GB (1) | GB1582288A (enExample) |
| IT (1) | IT1086110B (enExample) |
| SE (1) | SE434508B (enExample) |
Families Citing this family (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1139791A (en) * | 1978-06-15 | 1983-01-18 | Yorihiro Murata | Sintered silicon carbide-aluminum nitride articles and method of making such articles |
| FR2489300A2 (fr) * | 1980-08-27 | 1982-03-05 | Comp Generale Electricite | Procede d'elaboration d'une ceramique dense en carbure de silicium |
| US4318876A (en) | 1979-10-19 | 1982-03-09 | Societe Anonyme Dite: Compagnie Generale D'electricite | Method of manufacturing a dense silicon carbide ceramic |
| FR2467831A1 (fr) * | 1979-10-19 | 1981-04-30 | Comp Generale Electricite | Procede d'elaboration d'une ceramique dense en carbure de silicium |
| US4320204A (en) * | 1981-02-25 | 1982-03-16 | Norton Company | Sintered high density boron carbide |
| DE3218052A1 (de) * | 1982-05-13 | 1983-11-17 | Elektroschmelzwerk Kempten GmbH, 8000 München | Polykristalline, praktisch porenfreie sinterkoerper aus (alpha)-siliciumcarbid, borcarbid und freiem kohlenstoff und verfahren zu ihrer herstellung |
| US4518702A (en) * | 1983-01-19 | 1985-05-21 | Director-General Of The Agency Of Industrial Science And Technology | Silicon carbide-boron carbide carbonaceous body |
| US4464205A (en) * | 1983-11-25 | 1984-08-07 | Cabot Corporation | Wrought P/M processing for master alloy powder |
| US4464206A (en) * | 1983-11-25 | 1984-08-07 | Cabot Corporation | Wrought P/M processing for prealloyed powder |
| DE3403257A1 (de) * | 1984-01-31 | 1985-08-01 | Elektroschmelzwerk Kempten GmbH, 8000 München | Neutronenabsorberplatten mit keramischer bindung auf basis borcarbid und freiem kohlenstoff |
| JPS60246267A (ja) * | 1985-04-22 | 1985-12-05 | 旭硝子株式会社 | 炭化珪素質の焼結体 |
| JPS61200216U (enExample) * | 1985-06-03 | 1986-12-15 | ||
| US4888376A (en) * | 1988-09-26 | 1989-12-19 | Dow Corning Corporation | Curable organopolysiloxanes filled with silicon carbide powders and highly densified sintered bodies therefrom |
| US4929573A (en) * | 1988-09-26 | 1990-05-29 | Dow Corning Corporation | Highly densified bodies from organopolysiloxanes filled with silicon carbide powders |
| DE68914834T2 (de) * | 1989-03-30 | 1994-08-04 | Nippon Crucible Co | Kohlenstoffkeramikkomposit zur verwendung in kontakt mit geschmolzenem nichteisenmetall. |
| US5545687A (en) * | 1990-02-21 | 1996-08-13 | Dow Corning Corporation | Preparation of high density boron carbide ceramics with preceramic polymer binders |
| JP3228517B2 (ja) * | 1990-12-12 | 2001-11-12 | 皓一 新原 | 炭化ホウ素系複合焼結体 |
| US5164344A (en) * | 1991-06-26 | 1992-11-17 | Dow Corning Corporation | Borosilazanes as binders for the preparation of sintered silicon carbide monoliths |
| US5580834A (en) * | 1993-02-10 | 1996-12-03 | The Morgan Crucible Company Plc | Self-sintered silicon carbide/carbon graphite composite material having interconnected pores which may be impregnated and raw batch and process for producing same |
| US5422322A (en) * | 1993-02-10 | 1995-06-06 | The Stackpole Corporation | Dense, self-sintered silicon carbide/carbon-graphite composite and process for producing same |
| EP0771770A3 (en) | 1995-11-06 | 1997-07-23 | Dow Corning | Sintering of a powder in alpha silicon carbide containing a polysiloxane and several sintering aids |
| EP0771771A3 (en) | 1995-11-06 | 1997-07-23 | Dow Corning | Sintering of a silicon carbide powder containing a polysiloxane and several sintering aids |
| EP0771769A3 (en) | 1995-11-06 | 1997-07-23 | Dow Corning | Sintering of a powder in alpha silicon carbide containing several sintering aids |
| US5968653A (en) * | 1996-01-11 | 1999-10-19 | The Morgan Crucible Company, Plc | Carbon-graphite/silicon carbide composite article |
| JP3667062B2 (ja) * | 1997-12-01 | 2005-07-06 | 京セラ株式会社 | 炭化ホウ素焼結体の製造方法 |
| AU2001244679A1 (en) * | 2000-03-31 | 2001-10-08 | Toto Ltd. | Method for wet forming of powder, method for producing powder sintered compact, powdery sintered compact, and apparatus using powdery sintered compact |
| JP2008267584A (ja) * | 2007-04-25 | 2008-11-06 | Ebara Corp | 純水用セラミックス摺動部材 |
| WO2011011601A2 (en) * | 2009-07-24 | 2011-01-27 | Saint Gobain Ceramics & Plastics, Inc. | High toughness ceramic composites |
| US8673794B1 (en) * | 2009-08-28 | 2014-03-18 | Lockheed Martin Corporation | Multiphase eutectic ceramics |
| US9908818B2 (en) * | 2013-10-08 | 2018-03-06 | United Technologies Corporation | Method for providing crystalline silicon-containing ceramic material |
| US10189746B2 (en) | 2016-05-05 | 2019-01-29 | Saint-Gobain Ceramics & Plastics, Inc. | Multi-phasic ceramic composite |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2109246A (en) * | 1936-07-28 | 1938-02-22 | Carborundum Co | Dense nonmetallic bodies |
| US2805197A (en) * | 1955-11-07 | 1957-09-03 | Norton Co | Methods of electrolytic grinding and eroding |
| FR1235791A (fr) * | 1958-09-17 | 1960-07-08 | Kempten Elektroschmelz Gmbh | Procédé de fabrication d'articles de forme déterminée à partir de carbures |
| US3520656A (en) * | 1966-03-30 | 1970-07-14 | Du Pont | Silicon carbide compositions |
| US3649342A (en) * | 1967-10-30 | 1972-03-14 | Norton Co | Product for fabrication of dense ceramic armorplate and like |
| FR2076161A5 (en) * | 1970-01-02 | 1971-10-15 | Inst Abrazivov Schli | Silicon carbide and boron carbide articles |
| US3852099A (en) * | 1972-11-27 | 1974-12-03 | Gen Electric | Dense silicon carbide ceramic and method of making same |
| GB1478898A (en) * | 1973-10-24 | 1977-07-06 | Gen Electric | Silicon carbide ceramic |
| FR2322113A1 (fr) * | 1975-08-29 | 1977-03-25 | Ceraver | Materiau pour pieces frottantes de mouvements d'horlogerie |
-
1976
- 1976-08-04 US US05/711,550 patent/US4081284A/en not_active Expired - Lifetime
-
1977
- 1977-07-21 CA CA283,216A patent/CA1088107A/en not_active Expired
- 1977-07-26 GB GB31364/76A patent/GB1582288A/en not_active Expired
- 1977-07-29 DE DE2734425A patent/DE2734425C2/de not_active Expired
- 1977-08-02 IT IT26397/77A patent/IT1086110B/it active
- 1977-08-03 AT AT0571977A patent/AT372065B/de not_active IP Right Cessation
- 1977-08-03 SE SE7708862A patent/SE434508B/xx not_active IP Right Cessation
- 1977-08-04 JP JP52093033A patent/JPS5852948B2/ja not_active Expired
- 1977-08-04 FR FR7724072A patent/FR2360534A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| SE7708862L (sv) | 1978-02-05 |
| JPS5852948B2 (ja) | 1983-11-26 |
| DE2734425A1 (de) | 1978-02-09 |
| JPS5330616A (en) | 1978-03-23 |
| DE2734425C2 (de) | 1984-11-15 |
| IT1086110B (it) | 1985-05-28 |
| AT372065B (de) | 1983-08-25 |
| FR2360534A1 (fr) | 1978-03-03 |
| SE434508B (sv) | 1984-07-30 |
| US4081284A (en) | 1978-03-28 |
| GB1582288A (en) | 1981-01-07 |
| ATA571977A (de) | 1983-01-15 |
| FR2360534B1 (enExample) | 1983-02-25 |
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