NO158791C - Fremgangsmaate til fremstilling av et fiberarmert sammensatt material, samt laminat til bruk ved fremgangsmaaten. - Google Patents

Fremgangsmaate til fremstilling av et fiberarmert sammensatt material, samt laminat til bruk ved fremgangsmaaten.

Info

Publication number
NO158791C
NO158791C NO803807A NO803807A NO158791C NO 158791 C NO158791 C NO 158791C NO 803807 A NO803807 A NO 803807A NO 803807 A NO803807 A NO 803807A NO 158791 C NO158791 C NO 158791C
Authority
NO
Norway
Prior art keywords
procedure
laminate
preparation
composition material
fiber armed
Prior art date
Application number
NO803807A
Other languages
English (en)
Other versions
NO803807L (no
NO158791B (no
Inventor
Wolfgang Gruhl
Gerhard Ibe
Original Assignee
Vaw Ver Aluminium Werke Ag
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Vaw Ver Aluminium Werke Ag filed Critical Vaw Ver Aluminium Werke Ag
Publication of NO803807L publication Critical patent/NO803807L/no
Publication of NO158791B publication Critical patent/NO158791B/no
Publication of NO158791C publication Critical patent/NO158791C/no

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00Layered products comprising a layer of metal
    • B32B15/04Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C47/00Making alloys containing metallic or non-metallic fibres or filaments
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00Layered products comprising a layer of metal
    • B32B15/01Layered products comprising a layer of metal all layers being exclusively metallic
    • B32B15/016Layered products comprising a layer of metal all layers being exclusively metallic all layers being formed of aluminium or aluminium alloys
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00Layered products comprising a layer of metal
    • B32B15/20Layered products comprising a layer of metal comprising aluminium or copper
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C47/00Making alloys containing metallic or non-metallic fibres or filaments
    • C22C47/20Making 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
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C49/00Alloys containing metallic or non-metallic fibres or filaments
    • C22C49/02Alloys containing metallic or non-metallic fibres or filaments characterised by the matrix material
    • C22C49/04Light metals
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2999/00Aspects linked to processes or compositions used in powder metallurgy
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00Layers arrangement
    • B32B2250/022 layers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2305/00Condition, form or state of the layers or laminate
    • B32B2305/08Reinforcements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2311/00Metals, their alloys or their compounds
    • B32B2311/24Aluminium
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/12All metal or with adjacent metals
    • Y10T428/12444Embodying fibers interengaged or between layers [e.g., paper, etc.]
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/12All metal or with adjacent metals
    • Y10T428/12486Laterally noncoextensive components [e.g., embedded, etc.]
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/12All metal or with adjacent metals
    • Y10T428/12493Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12736Al-base component
    • Y10T428/12764Next to Al-base component

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)
  • Laminated Bodies (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Reinforced Plastic Materials (AREA)
NO803807A 1980-01-04 1980-12-17 Fremgangsmaate til fremstilling av et fiberarmert sammensatt material, samt laminat til bruk ved fremgangsmaaten. NO158791C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3000171A DE3000171C2 (de) 1980-01-04 1980-01-04 Faserverstärkter Verbundwerkstoff und Verfahren zu seiner Herstellung

Publications (3)

Publication Number Publication Date
NO803807L NO803807L (no) 1981-07-06
NO158791B NO158791B (no) 1988-07-25
NO158791C true NO158791C (no) 1988-11-02

Family

ID=6091533

Family Applications (1)

Application Number Title Priority Date Filing Date
NO803807A NO158791C (no) 1980-01-04 1980-12-17 Fremgangsmaate til fremstilling av et fiberarmert sammensatt material, samt laminat til bruk ved fremgangsmaaten.

Country Status (5)

Country Link
US (2) US4753850A (no)
JP (1) JPS5698435A (no)
CA (1) CA1171609A (no)
DE (1) DE3000171C2 (no)
NO (1) NO158791C (no)

Families Citing this family (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61114848A (ja) * 1984-11-12 1986-06-02 工業技術院長 金属基複合材料の製造法
GB2201624B (en) * 1986-06-20 1990-10-17 Nisshin Steel Co Ltd Vibration-damping metal sheets
DE3622781A1 (de) * 1986-07-07 1988-01-28 Alfred Buck Mehrschicht-system
JPS63109128A (ja) * 1986-10-27 1988-05-13 Agency Of Ind Science & Technol 繊維強化金属複合材料の製造法
JPH01252741A (ja) * 1988-04-01 1989-10-09 Ube Ind Ltd 繊維強化複合材料
US5006417A (en) * 1988-06-09 1991-04-09 Advanced Composite Materials Corporation Ternary metal matrix composite
JPH028333A (ja) * 1988-06-27 1990-01-11 Agency Of Ind Science & Technol 繊維強化金属の成形方法
JPH02182845A (ja) * 1989-01-06 1990-07-17 Res Dev Corp Of Japan 界面制御型長繊維強化金属の製造方法
US5529108A (en) * 1990-05-09 1996-06-25 Lanxide Technology Company, Lp Thin metal matrix composites and production methods
JPH04362147A (ja) * 1991-03-07 1992-12-15 Rockwell Internatl Corp 遷移液相強化によって金属マトリックス複合物を形成する方法
US5710414A (en) 1991-04-05 1998-01-20 The Boeing Company Internal tooling for induction heating
US5229562A (en) * 1991-04-05 1993-07-20 The Boeing Company Process for consolidation of composite materials
US5587098A (en) * 1991-04-05 1996-12-24 The Boeing Company Joining large structures using localized induction heating
US5645744A (en) 1991-04-05 1997-07-08 The Boeing Company Retort for achieving thermal uniformity in induction processing of organic matrix composites or metals
US5723849A (en) 1991-04-05 1998-03-03 The Boeing Company Reinforced susceptor for induction or resistance welding of thermoplastic composites
US5728309A (en) 1991-04-05 1998-03-17 The Boeing Company Method for achieving thermal uniformity in induction processing of organic matrix composites or metals
US5793024A (en) 1991-04-05 1998-08-11 The Boeing Company Bonding using induction heating
US7126096B1 (en) 1991-04-05 2006-10-24 Th Boeing Company Resistance welding of thermoplastics in aerospace structure
US5808281A (en) 1991-04-05 1998-09-15 The Boeing Company Multilayer susceptors for achieving thermal uniformity in induction processing of organic matrix composites or metals
CA2148251A1 (en) * 1992-10-29 1994-05-11 Warren H. Hunt, Jr. Metal matrix composite having enhanced toughness and method of making
US5906550A (en) * 1993-10-18 1999-05-25 Ticomp, Inc. Sports bat having multilayered shell
US5578384A (en) * 1995-12-07 1996-11-26 Ticomp, Inc. Beta titanium-fiber reinforced composite laminates
US6194081B1 (en) * 1993-10-18 2001-02-27 Ticomp. Inc. Beta titanium-composite laminate
US5733390A (en) * 1993-10-18 1998-03-31 Ticomp, Inc. Carbon-titanium composites
US5422191A (en) * 1994-02-14 1995-06-06 Kaiser Aluminum & Chemical Corporation Aluminum-lithium filler alloy for brazing
US5866272A (en) * 1996-01-11 1999-02-02 The Boeing Company Titanium-polymer hybrid laminates
US6039832A (en) * 1998-02-27 2000-03-21 The Boeing Company Thermoplastic titanium honeycomb panel
US6221507B1 (en) * 1999-04-06 2001-04-24 Lockhart Industries High temperature laminated structural panels and method of producing the same
DE10156125A1 (de) * 2001-11-16 2003-05-28 Eads Deutschland Gmbh Metallfaserverstärkter Verbundwerkstoff sowie Verfahren zur Herstellung desselben
NL1023175C2 (nl) * 2003-04-14 2004-10-18 H & St Heat & Surface Treat B Met vezel versterkt composietmateriaal, werkwijze ter vervaardiging daarvan, alsmede toepassing van een dergelijk, met vezel versterkt composietmateriaal.
AU2003282089A1 (en) * 2003-11-05 2005-06-17 Universitat Stuttgart Center Of Competence For Casting And Thixoforging Method for producing a component provided with a metal matrix and a fibre or particle reinforcement
GB0327002D0 (en) * 2003-11-20 2003-12-24 Rolls Royce Plc A method of manufacturing a fibre reinforced metal matrix composite article
DE102005051330B4 (de) * 2005-10-25 2015-04-02 Infineon Technologies Ag Verfahren zum Herstellen und Reinigen von oberflächenmontierbaren Außenkontaktsockeln
JP4735652B2 (ja) * 2008-03-24 2011-07-27 大日本印刷株式会社 吸放湿性内装用化粧材
KR101834288B1 (ko) 2008-08-18 2018-03-06 프로덕티브 리서치 엘엘씨 성형가능한 경량 복합체
US8796580B2 (en) * 2009-12-28 2014-08-05 Productive Research Processes for welding composite materials and articles therefrom
CA2827457C (en) 2010-02-15 2020-03-10 Productive Research Llc Formable light weight composite material systems and methods
KR101276496B1 (ko) * 2010-06-08 2013-06-18 가부시키가이샤 네오맥스 마테리아르 알루미늄 구리 클래드재
DE102010037005B3 (de) * 2010-08-16 2011-11-03 Alinox Ag Metallplatte mit eingebettetem Heizelement und Verfahren zu ihrer Herstellung
US8727203B2 (en) 2010-09-16 2014-05-20 Howmedica Osteonics Corp. Methods for manufacturing porous orthopaedic implants
DE102010042294A1 (de) * 2010-10-12 2012-04-12 Behr Gmbh & Co. Kg Verfahren zum Herstellen eines Verbundwerkstoffs und Verbundwerkstoff
CA2862610A1 (en) 2011-02-21 2012-08-30 Productive Research Llc Composite materials including regions differing in properties and methods
WO2013089869A2 (en) * 2011-09-23 2013-06-20 Edison Welding Institute, Inc. System for fabricating silicon carbide assemblies
US10217534B2 (en) 2011-09-23 2019-02-26 Edison Welding Institute, Inc. Method for joining silicon carbide components to one another
US9233526B2 (en) 2012-08-03 2016-01-12 Productive Research Llc Composites having improved interlayer adhesion and methods thereof
CN106696392A (zh) * 2015-07-27 2017-05-24 比亚迪股份有限公司 一种纤维金属层合板及其制备方法
US10465703B2 (en) * 2016-04-11 2019-11-05 United Technologies Corporation Airfoil
CN109226959B (zh) * 2018-10-26 2020-08-25 同济大学 一种纤维增强金属基复合板材及其预处理方法
US11338552B2 (en) 2019-02-15 2022-05-24 Productive Research Llc Composite materials, vehicle applications and methods thereof
CN110788511B (zh) * 2019-11-27 2022-01-21 中国航空制造技术研究院 一种低成本大尺寸纤维增强钛基复合材料的制备方法
DE102020202279A1 (de) 2020-02-21 2021-08-26 Thyssenkrupp Steel Europe Ag Verfahren zur Herstellung eines Stahlwerkstoffverbunds mit unterschiedlichen Eigenschaften
WO2023028994A1 (zh) * 2021-09-03 2023-03-09 江苏恒义工业技术有限公司 一种环保轻量化用于电动汽车下托盘生产的合金材料
CN114046209A (zh) * 2022-01-13 2022-02-15 爱柯迪股份有限公司 氮化硅纤维增强铝合金发动机缸套及制备方法

Family Cites Families (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3169048A (en) * 1960-03-18 1965-02-09 Texas Instruments Inc Low-melting point composite product
US3419952A (en) * 1966-09-12 1969-01-07 Gen Electric Method for making composite material
US3395001A (en) * 1966-10-27 1968-07-30 Aluminum Co Of America Brazed aluminum structure and method of making
SU238326A1 (ru) * 1967-12-15 1978-04-25 Всесоюзный заочный машиностроительный институт Способ пайки алюмини и его сплавов
JPS4738805Y1 (no) * 1967-12-28 1972-11-24
US3606667A (en) * 1968-09-27 1971-09-21 United Aircraft Corp Method of fabricating fiber-reinforced articles
US3615277A (en) * 1969-05-02 1971-10-26 United Aircraft Corp Method of fabricating fiber-reinforced articles and products produced thereby
US3551996A (en) * 1969-08-14 1971-01-05 Harvey Aluminum Inc Process for the production of aluminum-steel composite
BE758884A (fr) * 1969-12-15 1971-04-16 Vaw Ver Aluminium Werke Ag Procede de brasage de l'aluminium et de ses alliages
US3649425A (en) * 1970-03-18 1972-03-14 Trw Inc Arcuate shaped composites of refractory tapes embedded in a metal matrix
US3936277A (en) * 1970-04-09 1976-02-03 Mcdonnell Douglas Corporation Aluminum alloy-boron fiber composite
US3894677A (en) * 1971-03-24 1975-07-15 Nasa Method of preparing graphite reinforced aluminum composite
FR2133316A5 (en) * 1971-04-16 1972-11-24 Thomson Csf Measuring surface wear - by implantation of radioactive ions
JPS4856506A (no) * 1971-11-19 1973-08-08
US3984043A (en) * 1972-07-10 1976-10-05 United Technologies Corporation Method for bonding composite materials
FR2191978B1 (no) * 1972-07-10 1978-12-15 United Aircraft Corp
US3795042A (en) * 1972-08-22 1974-03-05 United Aircraft Corp Method for producing composite materials
US3970237A (en) * 1972-11-07 1976-07-20 Borg-Warner Corporation Method of brazing aluminum parts
US3900150A (en) * 1974-08-22 1975-08-19 United Aircraft Corp Duplex composite tape
US4010884A (en) * 1974-11-20 1977-03-08 United Technologies Corporation Method of fabricating a filament-reinforced composite article
JPS5177560A (ja) * 1974-12-28 1976-07-05 Mitsubishi Heavy Ind Ltd Senikyokagatafukugozairyonoseizohoho
FR2337040A1 (fr) * 1975-12-31 1977-07-29 Poudres & Explosifs Ste Nale Perfectionnements aux panneaux metalliques monocouches a fibres a hautes proprietes mecaniques et a leurs procedes de fabrication
JPS6041136B2 (ja) * 1976-09-01 1985-09-14 財団法人特殊無機材料研究所 シリコンカ−バイド繊維強化軽金属複合材料の製造方法
US4115611A (en) * 1976-12-09 1978-09-19 United Technologies Corporation Selectively bonded composite tape
CA1079011A (en) * 1976-12-17 1980-06-10 Karl M. Prewo Quick bond composite and process
US4110505A (en) * 1976-12-17 1978-08-29 United Technologies Corp. Quick bond composite and process
US4146164A (en) * 1977-11-09 1979-03-27 Aluminum Company Of America Production of aluminum brazing sheet
US4260441A (en) * 1978-05-10 1981-04-07 United Technologies Corporation Quick bond composite and process
US4411380A (en) * 1981-06-30 1983-10-25 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Metal matrix composite structural panel construction
US4437236A (en) * 1982-01-25 1984-03-20 E. I. Du Pont De Nemours And Company Solder bonding process
US4762268A (en) * 1986-05-02 1988-08-09 Airfoil Textron Inc. Fabrication method for long-length or large-sized dense filamentary monotapes

Also Published As

Publication number Publication date
DE3000171A1 (de) 1981-07-09
NO803807L (no) 1981-07-06
US4934581A (en) 1990-06-19
CA1171609A (en) 1984-07-31
JPS6341970B2 (no) 1988-08-19
DE3000171C2 (de) 1982-04-29
JPS5698435A (en) 1981-08-07
NO158791B (no) 1988-07-25
US4753850A (en) 1988-06-28

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