US3038248A - Strengthening of metal - Google Patents
Strengthening of metal Download PDFInfo
- Publication number
- US3038248A US3038248A US544792A US54479255A US3038248A US 3038248 A US3038248 A US 3038248A US 544792 A US544792 A US 544792A US 54479255 A US54479255 A US 54479255A US 3038248 A US3038248 A US 3038248A
- Authority
- US
- United States
- Prior art keywords
- metal
- fibers
- glass
- molten
- fibres
- 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
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Classifications
-
- 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
-
- 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
- C22C47/08—Making alloys containing metallic or non-metallic fibres or filaments by contacting the fibres or filaments with molten metal, e.g. by infiltrating the fibres or filaments placed in a mould
-
- 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
-
- 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
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
-
- 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
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/4998—Combined manufacture including applying or shaping of fluent material
- Y10T29/49988—Metal casting
-
- 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
- Y10T428/12424—Mass of only fibers
-
- 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
- Y10T428/12444—Embodying fibers interengaged or between layers [e.g., paper, 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
- Y10T428/12486—Laterally noncoextensive components [e.g., embedded, etc.]
Definitions
- a metal body is characterised in that mineral fibres are incorporated in the metal. It will be understood that the term metal includes metal alloys.
- the melting point of the mineral fibres should be higher than the melting point of the metal. This should particularly be borne in'mind when the mineral fibres are glass fibres, which soften and flow at comparatively low temperatures compared with asbestos. It is advantageous that the glass and metal should have specific gravities in close relation to each other.
- the invention also provides a process for making a metal body in which mineral fibres are incorporated in the metal when the metal is molten.
- the mineral fibres are preferably in coherent form, e.g. in the form of a matt, woven fabric or rovings.
- FIGURES 1A and 1B illustrates two methods of makmg strengthened metal sheets, castings and forgings
- FIGURE 2 illustrates an alternative method of making a strengthened metal casting
- FIGURE 3 illustrates an alternative method of making a strengthened metal sheet
- FIGURE 4 illustrates a further method of making a strengthened metal casting. 45
- molten glass from a furnace is formed into fibres which are passed through a bath of the molten metal, thereby coating the surfaces of the fibres with metal, the coated fibres passing onto a spool.
- the glass fibres before passage through the molten metal are formed into a sliver, this step being omitted in the alternative method of FIGURE 1B.
- the coated fibres from the spool are processed into a matt, woven fabric, or layered material and incorporated in molten metal to form sheets, or in the case of matt to form castings or forgings.
- glass fibre is led from the furnace onto a spool and fibre from the spool is processed into a matt, Woven fabric or layered material. It may suitably be processed into short lengths of specially Woven glass fibre roving or open Weave cloth.
- the glass fibre is then introduced into a mould and molten metal is poured in to form a casting. If desired the fibre may be introduced directly into the molten metal prior to pourmg.
- a pre-metallised or nonmetallised glass fibre matty fabric or layered material is sandwiched between cold metal sheets and intimately incorporated therein by the subsequent application of heat or of heat and pressure.
- FIGURE 4 illustrates a method in which a premetallised or non-metallised glass fibre matt, fabric or layered material is preformed to a desired shape, the preform then being located within a mould and enclosed or enclosed and impregnated with molten metal.
- asbestos fibres may be used instead of glass fibres. If desired, both asbestos and glass fibres may be used.
- the improvement which comprises coating mineral fibers selected from the group consisting of glass fibers and asbestos fibers with a metal in molten condition which metal is capable of wetting the surface of the said fibers, assembling the fibers into coherent form, incorporating the coherent assembly of fibers into a body having the predetermined size and shape of the article while the metal thereof is in molten condition and allowing said body of metal to solidify while retaining substantially the size and form of the said article.
- a method of reinforcing metal articles of predetermined size and form such as sheets, castings, forgings and the like
- the improvement which comprises incorporating into a body having the predetermined size and shape of the article, a coherent assembly of mineral fibers selected from the group consisting of glass fibers and asbestos fibers, by placing the fibers between metal sheets and forcing the sheets around the fibers by application of heat and pressure to incorporate said fibers into said body while the metal thereof is in molten condition and allowing said body of metal to solidify while retaining the size and form of said article, said fibers being coated with a metal in molten condition which metal is capable of wetting the surface of said fibers, prior to their incorporation into the molten metal of said body.
Description
J 1962 H. KREMER 3,038,248
STRENGTHENING OF METAL Filed Nov. 3, 1955 2 Sheets-Sheet 1 ALTERNATIVE\ 5 A./ B i FURNACE! lEuRIIAcE! cLAss FIBRE GLASS FIBRE MO'LTEN METAL BATH MOLTEN METAL I BATH GLASS FIBRE sILvER METAL COATED METAL COATED GLASS FIBRE GLASS FIBRE SILVER SPOOL SPOOL LAYERED I WOVE-N cLAss MATERIALS FABRIC MATT I MOLTEN WOVEN ORGLASS MATT REINFORCED FABRIC METAL SHEETS FORGING OR CASTING INVENTOR H EIIRY H REMER 3 y m, M, M I m ATT RN EYS June 12, 1962 Filed NOV. 3, 1955 H- KREMER STRENGTHENING OF METAL 2 Sheets-Sheet 2 GLASS MATT FABRIC OR LAYER FROM I 0R 2 GLASS FIBRE COLD METAL MOULD CASTING HEAT T T T T SPOOL If *r/ T T T T T TT GLASS MATT FABRIC OR LAYER HEAT 5W GLASS SPOOL METAL FROMTORE PREFORM' I PREFORMT MOLTEN METAL MOULD mvemon HENRY RREMER ATFI'OPNEYS Pate-rated June 12, 1962 ice 3,038,248 STRENGTHENING F METAL Henry Kremer, 35 Storrnont Road, Hi hgate, London, England Filed Nov. 3, 1955, Ser. No. 544,792 Claims priority, application Great Britain Nov. 4, 1954 3 Claims. (Cl. 29419) This invention relates to the strengthening of metals and metallic objects to give greater resistance to fatigue, rupture, breakage or elongation.
It is known that most metals deteriorate due to overstress, ageing and fatigue nad it is an object of this invention to reduce these defects.
I have found that the above-mentioned object may be achieved by the incorporation of mineral fibres (and particularly glass and asbestos fibres) in the metal.
Thus according to this invention, a metal body is characterised in that mineral fibres are incorporated in the metal. It will be understood that the term metal includes metal alloys.
Preferably the melting point of the mineral fibres should be higher than the melting point of the metal. This should particularly be borne in'mind when the mineral fibres are glass fibres, which soften and flow at comparatively low temperatures compared with asbestos. It is advantageous that the glass and metal should have specific gravities in close relation to each other.
The invention also provides a process for making a metal body in which mineral fibres are incorporated in the metal when the metal is molten.
The mineral fibres are preferably in coherent form, e.g. in the form of a matt, woven fabric or rovings.
The following is a description, by Way of example, of different methods of carrying out the invention, reference befingh made to the accompanying schematic drawings in W FIGURES 1A and 1B illustrates two methods of makmg strengthened metal sheets, castings and forgings,
FIGURE 2 illustrates an alternative method of making a strengthened metal casting, 7
FIGURE 3 illustrates an alternative method of making a strengthened metal sheet, and
FIGURE 4 illustrates a further method of making a strengthened metal casting. 45
Referring to FIGURES 1A and 1B, molten glass from a furnace is formed into fibres which are passed through a bath of the molten metal, thereby coating the surfaces of the fibres with metal, the coated fibres passing onto a spool. In the method of FIGURE 1A, the glass fibres before passage through the molten metal are formed into a sliver, this step being omitted in the alternative method of FIGURE 1B.
In each case, the coated fibres from the spool are processed into a matt, woven fabric, or layered material and incorporated in molten metal to form sheets, or in the case of matt to form castings or forgings.
In the method of FIGURE 2, glass fibre is led from the furnace onto a spool and fibre from the spool is processed into a matt, Woven fabric or layered material. It may suitably be processed into short lengths of specially Woven glass fibre roving or open Weave cloth. The glass fibre is then introduced into a mould and molten metal is poured in to form a casting. If desired the fibre may be introduced directly into the molten metal prior to pourmg.
In the method of FIGURE 3, a pre-metallised or nonmetallised glass fibre matty fabric or layered material is sandwiched between cold metal sheets and intimately incorporated therein by the subsequent application of heat or of heat and pressure.
FIGURE 4 illustrates a method in which a premetallised or non-metallised glass fibre matt, fabric or layered material is preformed to a desired shape, the preform then being located within a mould and enclosed or enclosed and impregnated with molten metal.
In the methods illustrated in FIGURES 1 to 4, asbestos fibres may be used instead of glass fibres. If desired, both asbestos and glass fibres may be used.
I claim:
1. In a method of reinforcing metal articles of predetermined size and form, such as sheets, castings, forgings and the like, the improvement which comprises coating mineral fibers selected from the group consisting of glass fibers and asbestos fibers with a metal in molten condition which metal is capable of wetting the surface of the said fibers, assembling the fibers into coherent form, incorporating the coherent assembly of fibers into a body having the predetermined size and shape of the article while the metal thereof is in molten condition and allowing said body of metal to solidify while retaining substantially the size and form of the said article.
2. In a method of reinforcing metal articles of predetermined size and form such as sheets, castings, forgings and the like the improvement which comprises incorporating into a body having the predetermined size and shape of the article, a coherent assembly of mineral fibers selected from the group consisting of glass fibers and asbestos fibers, by placing the fibers Within a mold in which the body is to be formed, filling the mold with molten metal and allowing said body of metal to solidify while retaining the size and form of the said article said fibers being coated with a metal in molten condition which metal is capable of Wetting the surface of said fibers, prior to their incorporation into the molten metal of said body.
3. In a method of reinforcing metal articles of predetermined size and form such as sheets, castings, forgings and the like the improvement which comprises incorporating into a body having the predetermined size and shape of the article, a coherent assembly of mineral fibers selected from the group consisting of glass fibers and asbestos fibers, by placing the fibers between metal sheets and forcing the sheets around the fibers by application of heat and pressure to incorporate said fibers into said body while the metal thereof is in molten condition and allowing said body of metal to solidify while retaining the size and form of said article, said fibers being coated with a metal in molten condition which metal is capable of wetting the surface of said fibers, prior to their incorporation into the molten metal of said body.
References Cited in the file of this patent UNITED STATES PATENTS 1,280,908 Speed Oct. 8, 1918 1,292,659 Wales Jan. 28, 1919 2,119,668 Dupre June 7, 1938 2,120,496 Hauger June 14, 1938 2,563,394 Cadgerie Aug. 7, 1951 2,582,685 Eisler Jan. 15, 1952 2,583,855 Kenis Jan. 29, 1952 2,616,165 Brennan Nov. 4, 1952 2,620,851 Brown Dec. 9, 1952 2,772,518 Whitehurst Dec. 4, 1956 2,814,162 Touhnin Nov. 26, 1957 2,848,390 Whitehurst Aug. 19, 1958 2,940,886 Nachtman June 14, 1960
Claims (1)
1. IN A METHOD OF REINFORCING METAL ARTICLES OF PREDETERMINED SIZE AND FORM, SUCH AS SHEETS, CASTINGS, FORGINGS AND THE LIKE, THE IMPROVEMENT WHICH COMPRISES COATING MINERAL FIBERS SELECTED FROM THE GROUP CONSISTING OF GLASS FIBERS AND ASBESTOS FIBERS WITH A METAL IN MOLTEN CONDITION WHICH METAL IS CAPABLE OF WETTING THE SURFACE OF THE SAID FIBERS, ASSEMBLING THE FIBERS INTO COHERENT FORM, INCORPORATING THE COHERENT ASSEMBLY OF FIBERS INTO A BODY HAVING THE PREDETERMINED SIZE AND SHAPE OF THE ARTICLE WHILE THE METAL THEREOF IS IN MOLTEN CONDITION AND ALLOWING SAID BODY OF METAL TO SOLIDIFY WHILE RETAINING SUBSTANTIALLY THE SIZE AND FORM OF THE SAID ARTICLE.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB31873/54A GB792174A (en) | 1954-11-04 | 1954-11-04 | Improvements in or relating to strengthening of metal |
Publications (1)
Publication Number | Publication Date |
---|---|
US3038248A true US3038248A (en) | 1962-06-12 |
Family
ID=10329677
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US544792A Expired - Lifetime US3038248A (en) | 1954-11-04 | 1955-11-03 | Strengthening of metal |
Country Status (2)
Country | Link |
---|---|
US (1) | US3038248A (en) |
GB (1) | GB792174A (en) |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3187422A (en) * | 1956-08-27 | 1965-06-08 | Owens Corning Fiberglass Corp | Reinforcement of metal |
US3256596A (en) * | 1961-02-06 | 1966-06-21 | William S Fiedler | Process for making article of vitreous material and metal |
US3365291A (en) * | 1965-04-28 | 1968-01-23 | Glaverbel | Process for producing glass/metal compositions |
US3421862A (en) * | 1965-05-17 | 1969-01-14 | Gen Technologies Corp | High strength whisker composite article |
US3456917A (en) * | 1964-01-15 | 1969-07-22 | Rolls Royce | Bladed rotor,particularly for a compressor |
US3535093A (en) * | 1968-05-09 | 1970-10-20 | Union Carbide Corp | Aluminum composite containing carbon fibers coated with silver |
US3544308A (en) * | 1968-03-15 | 1970-12-01 | Bbc Brown Boveri & Cie | Method of producing asbestos-felt bodies having elastic properties |
US3571901A (en) * | 1969-06-13 | 1971-03-23 | Union Carbide Corp | Method of fabricating a carbon-fiber reinforced composite article |
US3668748A (en) * | 1969-09-12 | 1972-06-13 | American Standard Inc | Process for producing whisker-reinforced metal matrix composites by liquid-phase consolidation |
US3889348A (en) * | 1969-03-27 | 1975-06-17 | Jerome H Lemelson | Fiber reinforced composite material and method of making same |
WO1986004113A1 (en) * | 1985-01-12 | 1986-07-17 | Gkn Technology Limited | A cylinder liner and method for its production |
US5259437A (en) * | 1990-07-31 | 1993-11-09 | Pechiney Recherche | Method of obtaining bimaterial parts by moulding |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4885214A (en) * | 1988-03-10 | 1989-12-05 | Texas Instruments Incorporated | Composite material and methods for making |
GB2226259A (en) * | 1988-12-14 | 1990-06-27 | Rolls Royce Plc | Improvements in or relating to wound composite structures |
Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1280908A (en) * | 1916-02-05 | 1918-10-08 | Metalco Company | Reinforced metal. |
US1292659A (en) * | 1918-05-11 | 1919-01-28 | Western Electric Co | Conductor. |
US2119668A (en) * | 1935-06-07 | 1938-06-07 | Western Electric Co | Method of manufacturing composite metal |
US2120496A (en) * | 1935-09-25 | 1938-06-14 | Keystone Steel & Wire Co | Process of making protected metal |
US2563394A (en) * | 1951-08-07 | Process fob improving the charac | ||
US2582685A (en) * | 1947-04-15 | 1952-01-15 | Hermoplast Ltd | Method of producing electrical components |
US2583855A (en) * | 1948-03-22 | 1952-01-29 | Ind Metal Protectives Inc | Zincilate impregnated fiber glass |
US2616165A (en) * | 1947-01-18 | 1952-11-04 | Everett D Mccurdy | Electrode for electrolytic devices and methods of making same |
US2620851A (en) * | 1949-07-09 | 1952-12-09 | Owens Corning Fiberglass Corp | Inorganic sheet material |
US2772518A (en) * | 1952-11-10 | 1956-12-04 | Owens Corning Fiberglass Corp | Method of coating glass filaments with metal |
US2814162A (en) * | 1954-06-25 | 1957-11-26 | Ohio Commw Eng Co | Apparatus for production of metallized and bonded blown glass fibers |
US2848390A (en) * | 1953-11-10 | 1958-08-19 | Owens Corning Fiberglass Corp | Method and apparatus for applying metal to glass |
US2940886A (en) * | 1953-02-25 | 1960-06-14 | John S Nachtman | Method of producing refractory fiber laminate |
-
1954
- 1954-11-04 GB GB31873/54A patent/GB792174A/en not_active Expired
-
1955
- 1955-11-03 US US544792A patent/US3038248A/en not_active Expired - Lifetime
Patent Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2563394A (en) * | 1951-08-07 | Process fob improving the charac | ||
US1280908A (en) * | 1916-02-05 | 1918-10-08 | Metalco Company | Reinforced metal. |
US1292659A (en) * | 1918-05-11 | 1919-01-28 | Western Electric Co | Conductor. |
US2119668A (en) * | 1935-06-07 | 1938-06-07 | Western Electric Co | Method of manufacturing composite metal |
US2120496A (en) * | 1935-09-25 | 1938-06-14 | Keystone Steel & Wire Co | Process of making protected metal |
US2616165A (en) * | 1947-01-18 | 1952-11-04 | Everett D Mccurdy | Electrode for electrolytic devices and methods of making same |
US2582685A (en) * | 1947-04-15 | 1952-01-15 | Hermoplast Ltd | Method of producing electrical components |
US2583855A (en) * | 1948-03-22 | 1952-01-29 | Ind Metal Protectives Inc | Zincilate impregnated fiber glass |
US2620851A (en) * | 1949-07-09 | 1952-12-09 | Owens Corning Fiberglass Corp | Inorganic sheet material |
US2772518A (en) * | 1952-11-10 | 1956-12-04 | Owens Corning Fiberglass Corp | Method of coating glass filaments with metal |
US2940886A (en) * | 1953-02-25 | 1960-06-14 | John S Nachtman | Method of producing refractory fiber laminate |
US2848390A (en) * | 1953-11-10 | 1958-08-19 | Owens Corning Fiberglass Corp | Method and apparatus for applying metal to glass |
US2814162A (en) * | 1954-06-25 | 1957-11-26 | Ohio Commw Eng Co | Apparatus for production of metallized and bonded blown glass fibers |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3187422A (en) * | 1956-08-27 | 1965-06-08 | Owens Corning Fiberglass Corp | Reinforcement of metal |
US3256596A (en) * | 1961-02-06 | 1966-06-21 | William S Fiedler | Process for making article of vitreous material and metal |
US3456917A (en) * | 1964-01-15 | 1969-07-22 | Rolls Royce | Bladed rotor,particularly for a compressor |
US3365291A (en) * | 1965-04-28 | 1968-01-23 | Glaverbel | Process for producing glass/metal compositions |
US3421862A (en) * | 1965-05-17 | 1969-01-14 | Gen Technologies Corp | High strength whisker composite article |
US3544308A (en) * | 1968-03-15 | 1970-12-01 | Bbc Brown Boveri & Cie | Method of producing asbestos-felt bodies having elastic properties |
US3535093A (en) * | 1968-05-09 | 1970-10-20 | Union Carbide Corp | Aluminum composite containing carbon fibers coated with silver |
US3889348A (en) * | 1969-03-27 | 1975-06-17 | Jerome H Lemelson | Fiber reinforced composite material and method of making same |
US3571901A (en) * | 1969-06-13 | 1971-03-23 | Union Carbide Corp | Method of fabricating a carbon-fiber reinforced composite article |
US3668748A (en) * | 1969-09-12 | 1972-06-13 | American Standard Inc | Process for producing whisker-reinforced metal matrix composites by liquid-phase consolidation |
WO1986004113A1 (en) * | 1985-01-12 | 1986-07-17 | Gkn Technology Limited | A cylinder liner and method for its production |
US5259437A (en) * | 1990-07-31 | 1993-11-09 | Pechiney Recherche | Method of obtaining bimaterial parts by moulding |
Also Published As
Publication number | Publication date |
---|---|
GB792174A (en) | 1958-03-19 |
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