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US3864807A - Method of manufacturing a shaped element of fiber-reinforced material - Google Patents

Method of manufacturing a shaped element of fiber-reinforced material Download PDF

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US3864807A
US3864807A US398778A US39877873A US3864807A US 3864807 A US3864807 A US 3864807A US 398778 A US398778 A US 398778A US 39877873 A US39877873 A US 39877873A US 3864807 A US3864807 A US 3864807A
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wires
matrix
matrix substance
mechanical working
bundle
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US398778A
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Friedrich Schneider
Dieter Stockel
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G RAU GmbH and Co KG
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G RAU GmbH and Co KG
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/002—Manufacture of articles essentially made from metallic fibres
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C47/00—Making alloys containing metallic or non-metallic fibres or filaments
    • C22C47/02—Pretreatment of the fibres or filaments
    • C22C47/06—Pretreatment of the fibres or filaments by forming the fibres or filaments into a preformed structure, e.g. using a temporary binder to form a mat-like element
    • C22C47/062—Pretreatment of the fibres or filaments by forming the fibres or filaments into a preformed structure, e.g. using a temporary binder to form a mat-like element from wires or filaments only
    • C22C47/068—Aligning wires
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C47/00—Making alloys containing metallic or non-metallic fibres or filaments
    • C22C47/20—Making alloys containing metallic or non-metallic fibres or filaments by subjecting to pressure and heat an assembly comprising at least one metal layer or sheet and one layer of 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
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49801—Shaping fiber or fibered material
    • 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
    • Y10T428/12465—All metal or with adjacent metals having magnetic properties, or preformed fiber orientation coordinate with shape
    • 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.]

Definitions

  • ABSTRACT A shaped element of fibre reinforced material comprises a bundle of wires, each enclosed in a jacket of matrix substance, which has been subjected to a mechanical working, such as drawing, to reduce to crosssectional area of the wires and jackets and to bond the jackets together.
  • the bundle of jacketed wires may be enclosed in an outer casing of the matrix substance prior to mechanical working and each jacket may consist of a tube into which a wire is threaded.
  • the invention relates to ashaped element of fibrereinforced material in which a large number of aligned fibres are embedded in a matrix substance, and to methods of manufacturing such shaped elements.
  • Fiber reinforced materials Combinations of glass, ceramic, polymer or metallic fibres embedded in metallic or non-metallic matrix are known in industry as fibre reinforced materials.
  • Such fibre-reinforced materials based on metallic and nonmetallic substances are used on a large scale and possess many advantageous physical and chemical properties as compared with other known materials. These properties depend upon a number of factors and in particular upon the characteristics of the matrix and/or fibre material, that proportion of the total crosssectional area constituted by the fibres, and the arrangement, distribution and bonding of the fibres. Optimum properties can generally be obtained in such fibre-reinforced substances only if the fibres are oriented and distributed in the matrix substance in a particular manner.
  • the known methods of producing fibre-reinforced materials are based on surrounding the prepared fibres with matrix metal by fusion processes, by powdermetallurgy methods or by sintering under compression between compact materials.
  • prepared fibres are surrounded by the matrix substance by treatment in a melting bath, a slurry or an electrolytic bath, or by spraying, vacuum deposition or other deposition processes.
  • the composite material is produced with uniformly distributed fibres by stacking and compressing the fibres pretreated in this manner.
  • methods of manufacture in which randomly arranged pretreated fibres are first put into the matrix substance and then aligned by plastic-shaping processes.
  • the object of the present invention is to provide a shaped element of fibre-reinforced material which can be produced in a simple manner without the use of pretreated fibres, advantageous physical properties being obtained by means of the subsequently produced and oriented fibres.
  • the improved shaped element comprises a bundle of wires, each enclosed in a jacket of matrix substance, which bundle has been subjected to mechanical working whereby to reduce the cross sectional area of the wire and jackets and to bond the jackets together.
  • Mechanical working processes that may be advantageously used are drawing, rolling and swaging.
  • a shaped element of this kind is expediently additionally provided with an outer casing of matrix substance which is also shaped during the mechanical working process.
  • An advantageous method of producing the shaped elements of this invention comprises the steps of providing a wire with ajacket of matrix substance, arranging a plurality of jacketed wires in a bundle, and subjecting the bundle to mechanical working whereby to reduce the cross sectional areas of the wires and jackets and to bond the jackets together.
  • the bundle ofjacketed wires may be enclosed in an outer casing constituted by a thin layer of matrix substance in the solid phase. e.g. in the form of a tube.
  • This enclosed bundle is then compressed by a mechanical-shaping operation and particularly by drawing.
  • metallic bonding of the jacket materials with each other and with the additional outer casing takes place on the one hand, and at the same time there occurs a cross-sectional reduction of the entire shaped element and thus also of the embedded wires.
  • This shaping operation is expediently carried out several times and continued until the required fibre cross-section is obtained.
  • the required proportion by volume of the fibres can be established beforehand by the correct choice ofjacketed wires and can be varied within wide limits.
  • both the wire and the jacket are' made of metallic materials.
  • the matrix substance consists of pure silver in which a fibre material consisting of an austenitic chromium-nickel steel wire is to be embedded.
  • the starting material for each of the jacketed wires is constituted by a silver tube of an outer diameter of 10 mm and a thickness of the wall of 3.4 mm the interior surface of which has been cleaned by any suitable known method and into which a core ofa round shape of 3 mm diameter of copper-coated alloy steel has been introduced.
  • the volume of alloy steel is about 10 percent of the silver matrix substance.
  • the starting material will be worked to an outer diameter ofabout 1 mm; i.e., by 10 drawings.
  • the jacketed wires of round cross-section having a diameter of about 1 mm. are bundled and inserted into a thinwalled silver tube, 5 mm., outside diameter and 0.2 mm., thick, which is to form an additional outer casing.
  • This semi-finished product was then shaped by undergoing 25 drawing passes and in such manner that finally, whilst the fibres were thus formed, a shaped element in the form of a wire was obtained in which steel fibres having a diameter in the order of magnitude of a few were embedded in the matrix substance.
  • an almost ideal distribution of the fibres in the matrix substance was achieved.
  • these shaped elements may be advantageously arranged in the above-described manner and shaped again, and possibly several times, in order to obtain a still smaller diameter of fibre.
  • the method of manufacture described may be modified in various ways; for example, apart from being disposed parallel with each other, the jacketed wires can also be arrayed in a special manner, e.g. in groups extending in a preferred direction, or helically, so that it is always possible to obtain given directionalities of the fibres even when a pure matrix core and the like are used.
  • the method is not limited to the production of cylindrical elements; elements of rectangular or other crosssectional shapes can also be obtained by the method described.
  • FIGS. 1, 3, 5, 7 and 9 show cross-sections through semi-finished products composed of jacketed wires, prior to mechanical working
  • FIGS. 2, 4, 6, 8 and 10 show cross-sections through the finally shaped elements in accordance with the invention.
  • FIG. 1 shows on an enlarged scale a tube 1 of matrix substance which forms an additional outer casing and in the interior of which is placed a plurality ofjacketed wires 2.
  • the core 3 of each of these jacketed wires 2 consists of the desired fibre material, whereas the jacket 4 contains the matrix substance.
  • FIGS. 3 to 10 show other geometrical arrangements, a core 5 of matrix substance or any other appropriately advantageous material (eg one of high electrical conductivity) being present in the arrangements shown in FIGS. 5 and 6 and FIGS. 9 and 10.
  • the element can have such a distribution of the fibres to provide for a metallic homogeneous core.
  • a metallic homogeneous core may be of advantage if the element should combine high electrical conductance and good spring qualities.
  • jacketed wires 4 of high-grade steel of l mm-square, as well as a solid fine-silver sheet 5 of 2 mm., thickness are arranged in a rectangular tube 1 having an inside dimension of 6 X 30 mm and about 1 mm thickness of the wall, and also being made of solid fine-silver. All parts are arranged in the way shown in FIG. 9.
  • An element built in this way will offer spring-bending limits or up to 100 kp/mm and an electrical conductivity of up to 45 SE.
  • each of said wires rigidly and metallurgically connecting to each of a plurality of substantially circular wires of reinforcing material a jacket of said matrix substance, each of said wires having a diameter in the magnitude of millimeters;
  • a method as claimed in claim 2 wherein said outer casing has a'shape designed to suit the geometrical form which the element has after the mechanical work- 4.
  • each said jacket of matrix substancee is a tube into which one of said wires is threaded.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)
  • Wire Processing (AREA)
  • Metal Extraction Processes (AREA)

Abstract

A shaped element of fibre reinforced material comprises a bundle of wires, each enclosed in a jacket of matrix substance, which has been subjected to a mechanical working, such as drawing, to reduce to cross-sectional area of the wires and jackets and to bond the jackets together. The bundle of jacketed wires may be enclosed in an outer casing of the matrix substance prior to mechanical working and each jacket may consist of a tube into which a wire is threaded.

Description

United States Patent [191 Schneider et a1.
Related US. Application Data Continuation of Ser. No. 203,381, Nov. 30, 1971, abandoned.
Foreign Application Priority Data Dec. 2, 1970 Germany 2059179 US. Cl 29/419 R, 29/I91.6, 148/4 Int. Cl. B23p 17/00 Field 01 Search... 29/419 R, 423, 191.6, 419 G; 148/4 References Cited UNITED STATES PATENTS 1/1915 Page 29/191.6X
1 11 3,864,807 1 Feb. 11,1975
3,029,496 4/1962 Levi 29/-1l9 X 3,095,642 7/1963 Lockwood 29/4l9 G 3,187,422 6/1965 Morgan 29/419 G 3,596,349 8/1971 Boom et a1. 29/419 X 3,609,855 10/1971 Schmidt 29/471.1 3,667,108 6/1972 Schmidt 29/475 X 3,795,042 3/1974 Kreider et a1. 29/419 R X Primary E.'\aminerC. W. Lanham Assistant Examiner-D. C. Reiley, 111 Attorney, Agent, or FirmWenderoth, Lind & Ponack [57] ABSTRACT A shaped element of fibre reinforced material comprises a bundle of wires, each enclosed in a jacket of matrix substance, which has been subjected to a mechanical working, such as drawing, to reduce to crosssectional area of the wires and jackets and to bond the jackets together. The bundle of jacketed wires may be enclosed in an outer casing of the matrix substance prior to mechanical working and each jacket may consist of a tube into which a wire is threaded.
7 Claims, 10 Drawing Figures PATENTEB FEB! 1 I975 SHEET 2 OF 5 PATENIEB FEB] 1 i975 SHEET 30? 5 PATENTED F551 1 3, 864,807
SHEET 5 OF 5 a; I: I: 3:11: 2'
1 METHOD OF MANUFACTURING A SHAPED ELEMENT F FIBER-REINFORCED MATERIAL This is a continuation of application Ser. No. 203,381, filed Nov. 30, 1971, now abandoned.
BACKGROUND OF THE INVENTION The invention relates to ashaped element of fibrereinforced material in which a large number of aligned fibres are embedded in a matrix substance, and to methods of manufacturing such shaped elements.
Combinations of glass, ceramic, polymer or metallic fibres embedded in metallic or non-metallic matrix are known in industry as fibre reinforced materials. Such fibre-reinforced materials based on metallic and nonmetallic substances are used on a large scale and possess many advantageous physical and chemical properties as compared with other known materials. These properties depend upon a number of factors and in particular upon the characteristics of the matrix and/or fibre material, that proportion of the total crosssectional area constituted by the fibres, and the arrangement, distribution and bonding of the fibres. Optimum properties can generally be obtained in such fibre-reinforced substances only if the fibres are oriented and distributed in the matrix substance in a particular manner.
The known methods of producing fibre-reinforced materials are based on surrounding the prepared fibres with matrix metal by fusion processes, by powdermetallurgy methods or by sintering under compression between compact materials. In other known methods, prepared fibres are surrounded by the matrix substance by treatment in a melting bath, a slurry or an electrolytic bath, or by spraying, vacuum deposition or other deposition processes. Finally, the composite material is produced with uniformly distributed fibres by stacking and compressing the fibres pretreated in this manner. Also known are methods of manufacture in which randomly arranged pretreated fibres are first put into the matrix substance and then aligned by plastic-shaping processes.
SUMMARY OF THE INVENTION The object of the present invention is to provide a shaped element of fibre-reinforced material which can be produced in a simple manner without the use of pretreated fibres, advantageous physical properties being obtained by means of the subsequently produced and oriented fibres.
According to the present invention the improved shaped element comprises a bundle of wires, each enclosed in a jacket of matrix substance, which bundle has been subjected to mechanical working whereby to reduce the cross sectional area of the wire and jackets and to bond the jackets together. Mechanical working processes that may be advantageously used are drawing, rolling and swaging. A shaped element of this kind is expediently additionally provided with an outer casing of matrix substance which is also shaped during the mechanical working process.
An advantageous method of producing the shaped elements of this invention comprises the steps of providing a wire with ajacket of matrix substance, arranging a plurality of jacketed wires in a bundle, and subjecting the bundle to mechanical working whereby to reduce the cross sectional areas of the wires and jackets and to bond the jackets together.
Expediently, the bundle ofjacketed wires may be enclosed in an outer casing constituted by a thin layer of matrix substance in the solid phase. e.g. in the form of a tube. This enclosed bundle is then compressed by a mechanical-shaping operation and particularly by drawing. During this shaping operation metallic bonding of the jacket materials with each other and with the additional outer casing takes place on the one hand, and at the same time there occurs a cross-sectional reduction of the entire shaped element and thus also of the embedded wires. This shaping operation is expediently carried out several times and continued until the required fibre cross-section is obtained. In some cases, it may be advantageous to carry out intermediate annealing for softening the core material and/or for bonding the matrix substance by diffusion. The required proportion by volume of the fibres can be established beforehand by the correct choice ofjacketed wires and can be varied within wide limits.
In a preferred form both the wire and the jacket are' made of metallic materials.
An example of a particularly advantageous fibrereinforced material will now be given for the purpose of describing how the invention may be carried out. In this example, the matrix substance consists of pure silver in which a fibre material consisting of an austenitic chromium-nickel steel wire is to be embedded. The starting material for each of the jacketed wires is constituted by a silver tube of an outer diameter of 10 mm and a thickness of the wall of 3.4 mm the interior surface of which has been cleaned by any suitable known method and into which a core ofa round shape of 3 mm diameter of copper-coated alloy steel has been introduced. In the method of production used, the volume of alloy steel is about 10 percent of the silver matrix substance. The starting material will be worked to an outer diameter ofabout 1 mm; i.e., by 10 drawings. The jacketed wires of round cross-section having a diameter of about 1 mm., are bundled and inserted into a thinwalled silver tube, 5 mm., outside diameter and 0.2 mm., thick, which is to form an additional outer casing. This semi-finished product was then shaped by undergoing 25 drawing passes and in such manner that finally, whilst the fibres were thus formed, a shaped element in the form of a wire was obtained in which steel fibres having a diameter in the order of magnitude of a few were embedded in the matrix substance. On account of the bundling, an almost ideal distribution of the fibres in the matrix substance was achieved. Furthermore, these shaped elements may be advantageously arranged in the above-described manner and shaped again, and possibly several times, in order to obtain a still smaller diameter of fibre.
The method of manufacture described may be modified in various ways; for example, apart from being disposed parallel with each other, the jacketed wires can also be arrayed in a special manner, e.g. in groups extending in a preferred direction, or helically, so that it is always possible to obtain given directionalities of the fibres even when a pure matrix core and the like are used.
The method is not limited to the production of cylindrical elements; elements of rectangular or other crosssectional shapes can also be obtained by the method described.
BRIEF DESCRIPTION OF THE DRAWINGS Some cross-sections of shaped elements of fibrereinforced material are illustrated in the drawings in which:
FIGS. 1, 3, 5, 7 and 9 show cross-sections through semi-finished products composed of jacketed wires, prior to mechanical working, and
FIGS. 2, 4, 6, 8 and 10 show cross-sections through the finally shaped elements in accordance with the invention.
DETAILED DESCRIPTION OF THE INVENTION FIG. 1 shows on an enlarged scale a tube 1 of matrix substance which forms an additional outer casing and in the interior of which is placed a plurality ofjacketed wires 2. The core 3 of each of these jacketed wires 2 consists of the desired fibre material, whereas the jacket 4 contains the matrix substance.
After all the components of the element have been jointly shaped by drawing, a homogeneous shaped element consisting of matrix substance in which the fibres are embedded parallel with each other is obtained (FIG. 2).
The remaining FIGS, 3 to 10, show other geometrical arrangements, a core 5 of matrix substance or any other appropriately advantageous material (eg one of high electrical conductivity) being present in the arrangements shown in FIGS. 5 and 6 and FIGS. 9 and 10.
As shown in FIGS. 9 and 10 the element can have such a distribution of the fibres to provide for a metallic homogeneous core. Such a metallic homogeneous core may be of advantage if the element should combine high electrical conductance and good spring qualities. In the example of FIG. 9 jacketed wires 4 of high-grade steel of l mm-square, as well as a solid fine-silver sheet 5 of 2 mm., thickness are arranged in a rectangular tube 1 having an inside dimension of 6 X 30 mm and about 1 mm thickness of the wall, and also being made of solid fine-silver. All parts are arranged in the way shown in FIG. 9.
By the forming of this element, for instance by a fivetimes drawing through correspondingly stepwise re? duced dies, a body of 0.8 X 5 mm is obtained, the section of which is as shown in FIG. 10 (not to scale).
An element built in this way will offer spring-bending limits or up to 100 kp/mm and an electrical conductivity of up to 45 SE.
What we claim is:
l. A method for producing a shaped element formed of a homogeneous matrix substance and having intimately embedded therein a plurality of substantially circular reinforcing fibers of a diameter in the magnitude of microns, the ductility properties of said matrix substance and said fibers being substantially different, said method consisting essentially of the steps of:
rigidly and metallurgically connecting to each of a plurality of substantially circular wires of reinforcing material a jacket of said matrix substance, each of said wires having a diameter in the magnitude of millimeters;
arranging said plurality of thus jacketed wires in a loose bundle in contact with each other; and subjecting said bundle to a non-cutting mechanical working operation;
thereby reducing the cross-sectional area of said wires and said jackets, the cross-sectional area of said wires being reduced from a magnitude of mm to a magnitude of l0 "'mm mechanically bonding said jackets together into a uniform homogeneous matrix, subjecting said jacketed wires to a diffusion treatment to facilitate the mechanical bonding of said matrix, and generating said substantially circular micron sized fibers embedded in said uniform homogeneous matrix, thereby reinforcing said matrix.
2. A method as claimed in claim 1, further consisting essentially of enclosing said bundle ofjacketed wires in an outer casing of matrix substance prior to said step of mechanical working.
3. A method as claimed in claim 2, wherein said outer casing has a'shape designed to suit the geometrical form which the element has after the mechanical work- 4. A method as claimed in claim 1, wherein said plurality of jacketed wires are arranged about a core of matrix substance prior to said step of mechanical working.
5. A method as claimed in claim 1, wherein each said jacket of matrix substancee is a tube into which one of said wires is threaded.
6. A method as claimed in claim 1, wherein said matrix substance is silver and said wire is a copper-coated austenitic chromium-nickel steel.
7. A method as claimed in claim 1, wherein said me-

Claims (7)

1. A method for producing a shaped element formed of a homogeneous matrix substance and having intimately embedded therein a plurality of substantially circular reinforcing fibers of a diameter in the magnitude of microns, the ductility properties of said matrix substance and said fibers being substantially different, said method consisting essentially of the steps of: rigidly and metallurgically connecting to each of a plurality of substantially circular wires of reinforcing material a jacket of said matrix substance, each of said wires having a diameter in the magnitude of millimeters; arranging said plurality of thus jacketed wires in a loose bundle in contact with each other; and subjecting said bundle to a non-cutting mechanical working operation; thereby reducing the cross-sectional area of said wires and said jackets, the cross-sectional area of said wires being reduced from a magnitude of mm2 to a magnitude of 10 6mm2, mechanically bonding said jackets together into a uniform homogeneous matrix, subjecting said jacketed wires to a diffusion treatment to facilitate the mechanical bonding of said matrix, and generating said substantially circular micron sized fibers embedded in said uniform homogeneous matrix, thereby reinforcing said matrix.
2. A method as claimed in claim 1, further consisting essentially of enclosing said bundle of jacketed wires in an outer casing of matrix substance prior to said step of mechanical working.
3. A method as claimed in claim 2, wherein said outer casing has a shape designed to suit the geometrical form which the element has after the mechanical working.
4. A method as claimed in claim 1, wherein said plurality of jacketed wires are arranged about a core of matrix substance prior to said step of mechanical working.
5. A method as claimed in cLaim 1, wherein each said jacket of matrix substancee is a tube into which one of said wires is threaded.
6. A method as claimed in claim 1, wherein said matrix substance is silver and said wire is a copper-coated austenitic chromium-nickel steel.
7. A method as claimed in claim 1, wherein said mechanical working is effected by drawing.
US398778A 1970-12-02 1973-09-19 Method of manufacturing a shaped element of fiber-reinforced material Expired - Lifetime US3864807A (en)

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DE19702059179 DE2059179C3 (en) 1970-12-02 1970-12-02 Process for the production of a fiber-reinforced molded body and application of the process for the production of special molded bodies
US20338171A 1971-11-30 1971-11-30
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Cited By (25)

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US3964283A (en) * 1974-11-13 1976-06-22 Western Electric Company, Inc. Production of multiple elongated products such as wire
US4012824A (en) * 1973-06-06 1977-03-22 Felten & Guilleaume Kabelwerke Ag Reinforced article and method of making the same
US4112905A (en) * 1973-12-08 1978-09-12 G. Rau Spark plugs for internal combustion engines
US4127700A (en) * 1973-10-12 1978-11-28 G. Rau Metallic material with additives embedded therein and method for producing the same
US4132828A (en) * 1976-11-26 1979-01-02 Toho Beslon Co., Ltd. Assembly of metal-coated carbon fibers, process for production thereof, and method for use thereof
DE2915412A1 (en) * 1978-04-17 1979-10-25 Volvo Flygmotor Ab PROCESS FOR MANUFACTURING AN ARTICLE FROM FIBER-REINFORCED METAL MATERIAL
US4534400A (en) * 1981-09-16 1985-08-13 Honda Giken Kogyo Kabushiki Kaisha Method for making a reinforced article for an internal combustion engine
US4572271A (en) * 1981-03-20 1986-02-25 Honda Giken Kogyo Kabushiki Kaisha Method of producing a machine part of fiber-reinforced composite material, the fiber-reinforcement body and the machine part
DE3601707A1 (en) * 1986-01-22 1987-08-13 Battelle Institut E V METHOD FOR PRODUCING HIGH DENSITY AND HIGH TENSILE STRENGTHS
WO1989011551A1 (en) * 1988-05-23 1989-11-30 Yoon Technology Fabrication of fusible core alloy composites for plastics molding
US4892130A (en) * 1981-09-16 1990-01-09 Honda Giken Kogyo Kabushiki Kaisha Method for making a reinforced article for an internal combustion engine
US4903410A (en) * 1987-09-09 1990-02-27 Andreas Stihl Guide bar for a chain saw
US4961383A (en) * 1981-06-26 1990-10-09 The United States Of America As Represented By The Secretary Of The Navy Composite tungsten-steel armor penetrators
US5474975A (en) * 1987-04-01 1995-12-12 Semiconductor Energy Laboratory Co., Ltd. Method for manufacturing an elongated member from a superconducting ceramic material
US5591524A (en) * 1992-08-19 1997-01-07 Rieter Ingolstadt Spinnereimaschinenbau Ag Device for the laying of yarn on a cross-wound bobbin
WO1998021004A1 (en) * 1996-11-12 1998-05-22 Memtec America Corporation Process for making fine metallic fibers
US5890272A (en) * 1996-11-12 1999-04-06 Usf Filtration And Separations Group, Inc Process of making fine metallic fibers
EP1099774A1 (en) * 1999-11-04 2001-05-16 ELASIS SISTEMA RICERCA FIAT NEL MEZZOGIORNO Società Consortile per Azioni Method of producing an element of composite material
WO2002022922A3 (en) * 2000-09-11 2002-06-13 Usf Filtration & Separations Apparatus and process for producing high quality metallic fiber tow
US6568060B1 (en) * 1999-06-04 2003-05-27 Polymet Corporation Method and fixture for filled billet packing
US20050166386A1 (en) * 2003-11-20 2005-08-04 Twigg Edwin S. Method of manufacturing a fibre reinforced metal matrix composite article
US20070154729A1 (en) * 2005-11-10 2007-07-05 Cardiac Pacemakers, Inc. Composite wire for implantable cardiac lead conductor cable and coils
US20070284145A1 (en) * 2006-06-08 2007-12-13 3M Innovative Properties Company Metal/ceramic composite conductor and cable including same
US20130008582A1 (en) * 2010-04-01 2013-01-10 Messier-Bugatti-Dowty Method of manufacturing an elongate insert made of a metal matrix composite
CN104029254A (en) * 2013-03-05 2014-09-10 安德烈·斯蒂尔股份两合公司 GUIDE rail with CFK substrate

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US20100044076A1 (en) * 2005-11-10 2010-02-25 Chastain Stuart R Composite wire for implantable cardiac lead conductor cable and coils
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US7390963B2 (en) * 2006-06-08 2008-06-24 3M Innovative Properties Company Metal/ceramic composite conductor and cable including same
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US20130008582A1 (en) * 2010-04-01 2013-01-10 Messier-Bugatti-Dowty Method of manufacturing an elongate insert made of a metal matrix composite
US8684255B2 (en) * 2010-04-01 2014-04-01 Snecma Method of manufacturing an elongate insert made of a metal matrix composite
CN104029254A (en) * 2013-03-05 2014-09-10 安德烈·斯蒂尔股份两合公司 GUIDE rail with CFK substrate
CN104029254B (en) * 2013-03-05 2018-06-05 安德烈·斯蒂尔股份两合公司 Guide rail with CFK waddings

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