US3720257A - Method of producing carbon fiber-reinforced metal - Google Patents
Method of producing carbon fiber-reinforced metal Download PDFInfo
- Publication number
- US3720257A US3720257A US00099521A US3720257DA US3720257A US 3720257 A US3720257 A US 3720257A US 00099521 A US00099521 A US 00099521A US 3720257D A US3720257D A US 3720257DA US 3720257 A US3720257 A US 3720257A
- Authority
- US
- United States
- Prior art keywords
- carbon fiber
- reinforced metal
- nickel
- carbon fibers
- melt
- 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 - Lifetime
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C49/00—Alloys containing metallic or non-metallic fibres or filaments
- C22C49/14—Alloys containing metallic or non-metallic fibres or filaments characterised by the fibres or filaments
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12486—Laterally noncoextensive components [e.g., embedded, etc.]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12535—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.] with additional, spatially distinct nonmetal component
- Y10T428/12625—Free carbon containing component
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12736—Al-base component
- Y10T428/12743—Next to refractory [Group IVB, VB, or VIB] metal-base component
Definitions
- ABSTRACT A method of producing carbon fiber-reinforced metal wherein the carbon fibers are first coated with nickel, the coated fibers are then combined with a melt of the metal heated in a crucible under a vacuum or protec- 8-Claims, No Drawings METHOD OF PRODUCING CARBON FIBER- REINFORCED METAL troduce carbon fibers into various'metals, which did not bring, however, the expected result in most cases. This seems to be due to the difficulty of achieving a good wetting between the metallic melt and the carbon fibers. For example, attempts at casting pure aluminum or copper around commercial carbon fibers failed completely.
- the general object of this invention is to provide a method which does not suffer from these disadvantages.
- the method according to the invention is characterized in that carbon fibers, whose surface is completely covered with nickel, are surrounded with a metallic melt whose temperature is below the melting temperature of nickel, and allowed to solidify to a compound material.
- the molten metal consists preferably of aluminum or an aluminum alloy. Copper or tin or copper or tin alloys can also'be of advantage for certain uses.
- the fibers whose starting material was polyacrylicnitrile were first provided electrolytically with a copper coat varying in thickness from 20 to 100 A in order to increase the uniformity of the fiber surface and the electric conductivity of the fibers; subsequently the fibers were covered electrolytically with a nickel coat varying in thickness between 0.l and 1 micron. Then the nickel coated fibers were brought into a crucible with aluminum pieces. The crucible was then heated to the melting point of the aluminum under a vacuum of 10" mm Hg, so that the fibers become surrounded by liquid aluminum. To keep the contact time between the fibers and the liquid metallic melt short, the temperature was brought below the melting point again after 1 to 20 seconds, to allow the aluminum to solidify again after this time. The crucible consisted of graphite and was heated electrically by current induction. The same procedures were carried out with nickel coated carbon fibers and surrounding copper, tin or aluminum-,
- Tests showed that it is possible to reinforce in this manner a metal with carbon fibers without impairing the good properties of the latter, that the carbon fibers thus treated are uniformly distributed in the metal compound materials with improved properties within a wide range of specific temperatures, cooling rate and chemical composition.
- the starting material of the carbon fibers is preferably polyacrylic-nitrile.
- the metallic melt can also contain alloying additions which reduce the specific surface tension of the melt with respect to the carbon fibers.
- Carbon compound materials can be used, for example, in lightconstruction, where a high specific strength is required. Examples are centrifugal motors, turbine blades, compressor blades and moving parts in looms.
- Carbon fiber/copper compound materials have good electrical properties and increased strength. Examples for the use of such a material are, for example, locomotive'pantographs, trolley wires and liquid-cooled tubular conductors.
- Carbon fiber/tin/alloycompound materials have increased strength and improved friction properties. Examples can be found in the highly stressed babbitbearings for diesel engines and turbo rotors.
- the method of producing a carbon fiber-reinforced metal body which comprises the sequence of steps of enhancing the electrical conductivity of the carbon fibers by initially covering them with a copper coating having a thickness of from 20 to A; completely covering the copper-coated surfaces of the carbon fibers with a uniform layer of nickel having a thickness not greater than 1 micron; surrounding said nickel-coated carbon fibers, in a non-oxidizing environment, with a melt of a metal having a melting temperature lower than that of nickel; and solidifying the melt to a carbon fiber-reinforced metal body.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH9670A CH516644A (de) | 1970-01-07 | 1970-01-07 | Verfahren zur Herstellung von mit Kohlenstoff-Fasern verstärktem Metall |
Publications (1)
Publication Number | Publication Date |
---|---|
US3720257A true US3720257A (en) | 1973-03-13 |
Family
ID=4179153
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US00099521A Expired - Lifetime US3720257A (en) | 1970-01-07 | 1970-12-18 | Method of producing carbon fiber-reinforced metal |
Country Status (5)
Cited By (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3907514A (en) * | 1972-10-19 | 1975-09-23 | Pure Carbon Company Inc | Aluminum carbon composite seal material |
US3918141A (en) * | 1974-04-12 | 1975-11-11 | Fiber Materials | Method of producing a graphite-fiber-reinforced metal composite |
US3938579A (en) * | 1970-09-10 | 1976-02-17 | United Kingdom Atomic Energy Authority | Method of producing composite bearing materials |
US4223075A (en) * | 1977-01-21 | 1980-09-16 | The Aerospace Corporation | Graphite fiber, metal matrix composite |
US4226917A (en) * | 1977-04-15 | 1980-10-07 | Hitachi, Ltd. | Composite joint system including composite structure of carbon fibers embedded in copper matrix |
FR2497843A1 (fr) * | 1981-01-14 | 1982-07-16 | Material Concepts Inc | Methode de fabrication d'un composite metallique renforce par des fibres |
US4357985A (en) * | 1981-03-26 | 1982-11-09 | Material Concepts, Inc. | Method of isothermally forming a copper base alloy fiber reinforced composite |
DE3202957A1 (de) * | 1982-01-29 | 1983-08-11 | Material Concepts, Inc., Columbus, Ohio | Verfahren zum behandeln einer graphit- oder keramikfaser |
US4522889A (en) * | 1983-01-20 | 1985-06-11 | Bayer Aktiengesellschaft | Lightning protection composite material |
US4609449A (en) * | 1982-03-16 | 1986-09-02 | American Cyanamid Company | Apparatus for the production of continuous yarns or tows comprising high strength metal coated fibers |
US4685236A (en) * | 1984-05-30 | 1987-08-11 | Sam May | Graphite/metal matrix gun barrel |
US4690793A (en) * | 1983-02-18 | 1987-09-01 | Hitachi, Ltd. | Nuclear fusion reactor |
WO1988003854A1 (en) * | 1986-11-26 | 1988-06-02 | Sundstrand Corporation | Composite, method of forming a composite, and article of manufacture |
US4929513A (en) * | 1987-06-17 | 1990-05-29 | Agency Of Industrial Science And Technology | Preform wire for a carbon fiber reinforced aluminum composite material and a method for manufacturing the same |
US5089356A (en) * | 1990-09-17 | 1992-02-18 | The Research Foundation Of State Univ. Of New York | Carbon fiber reinforced tin-lead alloy as a low thermal expansion solder preform |
US5244748A (en) * | 1989-01-27 | 1993-09-14 | Technical Research Associates, Inc. | Metal matrix coated fiber composites and the methods of manufacturing such composites |
US5259437A (en) * | 1990-07-31 | 1993-11-09 | Pechiney Recherche | Method of obtaining bimaterial parts by moulding |
US5385195A (en) * | 1991-10-23 | 1995-01-31 | Inco Limited | Nickel coated carbon preforms |
US5678298A (en) * | 1991-03-21 | 1997-10-21 | Howmet Corporation | Method of making composite castings using reinforcement insert cladding |
US5803153A (en) * | 1994-05-19 | 1998-09-08 | Rohatgi; Pradeep K. | Nonferrous cast metal matrix composites |
US5981083A (en) * | 1993-01-08 | 1999-11-09 | Howmet Corporation | Method of making composite castings using reinforcement insert cladding |
US20030180527A1 (en) * | 2002-03-21 | 2003-09-25 | Moritz Bauer | Composite containing reinforcing fibers comprising carbon |
US6736187B2 (en) * | 2000-08-31 | 2004-05-18 | Yazaki Corporation | Molten metal infiltrating method and molten metal infiltrating apparatus |
US20150375321A1 (en) * | 2014-06-30 | 2015-12-31 | General Electric Company | Fiber reinforced brazed components and methods |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3894677A (en) * | 1971-03-24 | 1975-07-15 | Nasa | Method of preparing graphite reinforced aluminum composite |
US3827129A (en) * | 1972-01-06 | 1974-08-06 | British Railways Board | Methods of producing a metal and carbon fibre composite |
FR2167283B1 (US07534539-20090519-C00280.png) * | 1972-01-11 | 1974-06-21 | Unelec | |
JPS57155336A (en) * | 1981-03-20 | 1982-09-25 | Honda Motor Co Ltd | Production of fiber-reinforced composite body |
GB2219006A (en) * | 1988-05-26 | 1989-11-29 | Rolls Royce Plc | Coated fibre for use in a metal matrix |
FR2704479B1 (fr) * | 1993-04-30 | 1995-06-02 | Thomson Csf | Plaques composites à fibres de carbonne dans une matrice de cuivre et leurs procédés de fabrication. |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1314603A (en) * | 1919-09-02 | Electrode coating | ||
US3097931A (en) * | 1956-10-29 | 1963-07-16 | Gen Electric Co Ltd | Methods of joining graphitic surfaces |
US3384463A (en) * | 1965-03-22 | 1968-05-21 | Dow Chemical Co | Graphite metal body composite |
US3473900A (en) * | 1967-02-21 | 1969-10-21 | Union Carbide Corp | Aluminum-carbon fiber composites |
US3547180A (en) * | 1968-08-26 | 1970-12-15 | Aluminum Co Of America | Production of reinforced composites |
US3622283A (en) * | 1967-05-17 | 1971-11-23 | Union Carbide Corp | Tin-carbon fiber composites |
-
1970
- 1970-01-07 CH CH9670A patent/CH516644A/de not_active IP Right Cessation
- 1970-04-08 DE DE19702016734 patent/DE2016734A1/de active Pending
- 1970-12-18 US US00099521A patent/US3720257A/en not_active Expired - Lifetime
-
1971
- 1971-01-06 GB GB60071A patent/GB1302331A/en not_active Expired
- 1971-01-06 FR FR7100216A patent/FR2075256A5/fr not_active Expired
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1314603A (en) * | 1919-09-02 | Electrode coating | ||
US3097931A (en) * | 1956-10-29 | 1963-07-16 | Gen Electric Co Ltd | Methods of joining graphitic surfaces |
US3384463A (en) * | 1965-03-22 | 1968-05-21 | Dow Chemical Co | Graphite metal body composite |
US3473900A (en) * | 1967-02-21 | 1969-10-21 | Union Carbide Corp | Aluminum-carbon fiber composites |
US3622283A (en) * | 1967-05-17 | 1971-11-23 | Union Carbide Corp | Tin-carbon fiber composites |
US3547180A (en) * | 1968-08-26 | 1970-12-15 | Aluminum Co Of America | Production of reinforced composites |
Cited By (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3938579A (en) * | 1970-09-10 | 1976-02-17 | United Kingdom Atomic Energy Authority | Method of producing composite bearing materials |
US3907514A (en) * | 1972-10-19 | 1975-09-23 | Pure Carbon Company Inc | Aluminum carbon composite seal material |
US3918141A (en) * | 1974-04-12 | 1975-11-11 | Fiber Materials | Method of producing a graphite-fiber-reinforced metal composite |
US4223075A (en) * | 1977-01-21 | 1980-09-16 | The Aerospace Corporation | Graphite fiber, metal matrix composite |
US4226917A (en) * | 1977-04-15 | 1980-10-07 | Hitachi, Ltd. | Composite joint system including composite structure of carbon fibers embedded in copper matrix |
US4341823A (en) * | 1981-01-14 | 1982-07-27 | Material Concepts, Inc. | Method of fabricating a fiber reinforced metal composite |
FR2497843A1 (fr) * | 1981-01-14 | 1982-07-16 | Material Concepts Inc | Methode de fabrication d'un composite metallique renforce par des fibres |
US4357985A (en) * | 1981-03-26 | 1982-11-09 | Material Concepts, Inc. | Method of isothermally forming a copper base alloy fiber reinforced composite |
DE3202957A1 (de) * | 1982-01-29 | 1983-08-11 | Material Concepts, Inc., Columbus, Ohio | Verfahren zum behandeln einer graphit- oder keramikfaser |
US4609449A (en) * | 1982-03-16 | 1986-09-02 | American Cyanamid Company | Apparatus for the production of continuous yarns or tows comprising high strength metal coated fibers |
US4522889A (en) * | 1983-01-20 | 1985-06-11 | Bayer Aktiengesellschaft | Lightning protection composite material |
US4690793A (en) * | 1983-02-18 | 1987-09-01 | Hitachi, Ltd. | Nuclear fusion reactor |
US4685236A (en) * | 1984-05-30 | 1987-08-11 | Sam May | Graphite/metal matrix gun barrel |
US4817853A (en) * | 1986-11-26 | 1989-04-04 | Sundstrand Corporation | Composite, method of forming a composite, and article of manufacture |
WO1988003854A1 (en) * | 1986-11-26 | 1988-06-02 | Sundstrand Corporation | Composite, method of forming a composite, and article of manufacture |
US4929513A (en) * | 1987-06-17 | 1990-05-29 | Agency Of Industrial Science And Technology | Preform wire for a carbon fiber reinforced aluminum composite material and a method for manufacturing the same |
US5244748A (en) * | 1989-01-27 | 1993-09-14 | Technical Research Associates, Inc. | Metal matrix coated fiber composites and the methods of manufacturing such composites |
US5259437A (en) * | 1990-07-31 | 1993-11-09 | Pechiney Recherche | Method of obtaining bimaterial parts by moulding |
US5089356A (en) * | 1990-09-17 | 1992-02-18 | The Research Foundation Of State Univ. Of New York | Carbon fiber reinforced tin-lead alloy as a low thermal expansion solder preform |
US5678298A (en) * | 1991-03-21 | 1997-10-21 | Howmet Corporation | Method of making composite castings using reinforcement insert cladding |
US5578386A (en) * | 1991-10-23 | 1996-11-26 | Inco Limited | Nickel coated carbon preforms |
US5385195A (en) * | 1991-10-23 | 1995-01-31 | Inco Limited | Nickel coated carbon preforms |
US5981083A (en) * | 1993-01-08 | 1999-11-09 | Howmet Corporation | Method of making composite castings using reinforcement insert cladding |
US5803153A (en) * | 1994-05-19 | 1998-09-08 | Rohatgi; Pradeep K. | Nonferrous cast metal matrix composites |
US6736187B2 (en) * | 2000-08-31 | 2004-05-18 | Yazaki Corporation | Molten metal infiltrating method and molten metal infiltrating apparatus |
US20030180527A1 (en) * | 2002-03-21 | 2003-09-25 | Moritz Bauer | Composite containing reinforcing fibers comprising carbon |
US7138190B2 (en) * | 2002-03-21 | 2006-11-21 | Sgl Carbon Ag | Composite containing reinforcing fibers comprising carbon |
US20150375321A1 (en) * | 2014-06-30 | 2015-12-31 | General Electric Company | Fiber reinforced brazed components and methods |
US9333578B2 (en) * | 2014-06-30 | 2016-05-10 | General Electric Company | Fiber reinforced brazed components and methods |
Also Published As
Publication number | Publication date |
---|---|
CH516644A (de) | 1971-12-15 |
GB1302331A (US07534539-20090519-C00280.png) | 1973-01-10 |
DE2016734A1 (de) | 1971-07-15 |
FR2075256A5 (US07534539-20090519-C00280.png) | 1971-10-08 |
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