WO2012113426A1 - Procédé d'assemblage d'un élément constitué d'un matériau composite renforcé par des fibres de carbone à un élément en métal et système de liaison de tels éléments - Google Patents

Procédé d'assemblage d'un élément constitué d'un matériau composite renforcé par des fibres de carbone à un élément en métal et système de liaison de tels éléments Download PDF

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Publication number
WO2012113426A1
WO2012113426A1 PCT/EP2011/006127 EP2011006127W WO2012113426A1 WO 2012113426 A1 WO2012113426 A1 WO 2012113426A1 EP 2011006127 W EP2011006127 W EP 2011006127W WO 2012113426 A1 WO2012113426 A1 WO 2012113426A1
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WO
WIPO (PCT)
Prior art keywords
component
metal
corrosion protection
corrosion
joining
Prior art date
Application number
PCT/EP2011/006127
Other languages
German (de)
English (en)
Inventor
Stephan Klose
Original Assignee
Daimler 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 Daimler Ag filed Critical Daimler Ag
Publication of WO2012113426A1 publication Critical patent/WO2012113426A1/fr

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C24/00—Coating starting from inorganic powder
    • C23C24/02—Coating starting from inorganic powder by application of pressure only
    • C23C24/04—Impact or kinetic deposition of particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/14—Layered products comprising a layer of metal next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
    • C23C4/06—Metallic material
    • C23C4/08—Metallic material containing only metal elements
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
    • C23C4/10—Oxides, borides, carbides, nitrides or silicides; Mixtures thereof
    • C23C4/11—Oxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/101—Glass fibres

Definitions

  • the invention relates to a method for joining a first component made of a carbon fiber reinforced composite material with a second component made of a metal according to the preamble of patent claim 1 and a connection arrangement of such components according to the preamble of patent claim 5.
  • carbon fiber-reinforced composite materials are increasingly being used in motor vehicle construction. Such parts find, for example, for exterior skins or the like use and must then be joined with metallic components, such as support parts of the motor vehicle or the like. Due to the conductivity of the carbon fiber may form a local element in the contact area between such components. This is particularly problematic when joining carbon fiber reinforced plastics with aluminum or magnesium based light metal components. Electrochemically, the carbon in the composite component is in fact more noble than the respective metal of the component connected to it, which can lead to electrochemical contact corrosion on the part of the metallic component. Even steel components may be subject to such contact corrosion when in contact with carbon fibers.
  • Metal components and carbon fiber reinforced components usually sealed accordingly. This can be done for example by cathodic dip painting of the metallic component. It is also known to seal the components by adhesive application against each other. Another known from the prior art method for preventing contact corrosion is the joining area of a
  • Corrosion protection is either expensive, such as in the case of lamination with glass fiber, or the corrosion protection layer does not have high mechanical resistance, so that it can lead to unwanted corrosion processes in case of damage to this layer again.
  • a method for the reduction of corrosion at an interface is known, which is formed between a magnesium part and a fixing part of a further metal.
  • a corrosion protection material is to be cold sprayed onto the interface.
  • the corrosion protection material comprises at least magnesium, wherein the corrosion protection material is substantially the same as that for the magnesium part.
  • the present invention is therefore based on the object, a method according to the preamble of claim 1 and a connection arrangement according to the
  • the corrosion protection layer is used up by thermal spraying.
  • thermal spraying particularly dense and non-porous and at the same time well-adhering corrosion protection layers can be applied in a technically simple manner, which provide reliable protection against electrochemical contact corrosion, even in mechanically loaded joint areas.
  • an electrical insulator or a metal which is electrochemically nobler than the metal of the second component, is used for the anticorrosion layer.
  • the use of nickel, tin or alloys thereof is expedient for metallic coatings.
  • the latter metals are particularly suitable for the corrosion protection of aluminum or magnesium components, but are also suitable for use on steel components.
  • the inventive method is inexpensive and fast in its implementation can be automated very well. As a result, a quick and cheap way is provided to protect the contact areas between metal parts and carbon fiber reinforced plastic long term reliable against contact corrosion.
  • Spray method can be used.
  • the cold gas spraying and especially the cold gas high-speed flame spraying is the cold gas spraying and especially the cold gas high-speed flame spraying.
  • the spray particles which are usually provided in the form of a wire, a powder or the like, accelerated in a relatively cold carrier gas of a few 100 ° C temperature to high speeds.
  • a relatively cold carrier gas of a few 100 ° C temperature to high speeds.
  • Cohesion and adhesion of the sprayed layer is produced by the high genetic energy of the particles in the highly accelerated carrier gas flow, which ensures plastic deformation and the resulting local heat release upon impact of the sprayed particles.
  • noble gases such as argon or other inert gases as the carrier gas
  • oxidation or phase conversions in the spray material can be avoided particularly reliably. Due to the only local heating due to the kinetic energy of the spray particles and the low carrier gas temperature, the matrix of carbon fiber-based material is hardly affected, so that there is a high quality sprayed layer, which does not adversely affect the durability of the carbon fiber reinforced component.
  • the invention further relates to a connection arrangement of a first component made of a carbon fiber reinforced composite material with a second component made of a metal, wherein the joining region of the components, a corrosion protection layer for protection against electrochemical contact corrosion is attached.
  • the corrosion protection layer is applied by thermal spraying on the first component and that the corrosion protection layer of an electrical insulator or a metal which is electrochemically nobler than the metal of the second component consists.
  • this results in a particularly dense, well-adhering and low-pore corrosion protection layer, which adheres to the carbon fiber reinforced component even under mechanical stress of the connection assembly and prevents the penetration of moisture and electrochemical contact corrosion particularly reliable.
  • Suitable materials for the anticorrosion layer are, in particular, electrical insulators, in particular ceramics based on chromium oxide, aluminum oxide or titanium oxide, and also metals which are more noble than the metal of the second component.
  • the term noble is to be understood here that the metal of the coating material has a more positive normal potential than the material of the second component.
  • aluminum or magnesium components which have a normal potential of -1.66 V or -2.36 V, therefore, in particular nickel with a normal potential of -0.25 V or tin with a normal potential of -0.1 is suitable V.
  • the two metals mentioned are also suitable for coating steels (normal potential iron: -0.44 V).
  • the corrosion protection layer can be applied by any spraying method, but preferably the cold gas spraying, in particular by the cold gas high-speed flame spraying.
  • the advantages of these spray techniques were already explained in the discussion of the process.
  • Figure 1 is a schematic sectional view through a connection arrangement of a carbon fiber reinforced component and a metallic component according to the prior art.
  • Fig. 2 shows the corrosion pattern of such a connection arrangement according to the
  • FIG. 3 is a schematic representation of the process flow in the manufacture of an embodiment of an inventive
  • a glass fiber reinforced plastic layer 18 is first applied to a surface 20 of the carbon fiber reinforced component 12 in the joining region 16 between the components 12, 14.
  • the glass-fiber-reinforced cover layer which can be fastened for example by lamination, forms an electrical barrier between the components 12, 14 and thus prevents electrochemical contact corrosion.
  • the components 12, 14 are screwed in the sequence with a screw 22, wherein also the support area 24 of the
  • Screw head 26 is electrochemically isolated by a glass fiber layer 18.
  • a seam seal 28 is still attached in the edge region of the joining region 16, so that the contact corrosion is avoided particularly reliably. In particular, can be prevented by the penetration of moisture into the threaded portion of the screw 22 here.
  • Fig. 2 shows on the left side typical corrosion images of unprotected connection arrangements between carbon fiber reinforced components and aluminum components, with the top left the connection by the use of blind rivets made of AlMg 2.5 with rivet mandrels made of chromium-nickel steel and bottom left through the use of steel rivets.
  • traces of corrosion 30 are clearly visible.
  • such traces of corrosion 30 are reliably avoided by the use of glass fiber cover layers 18.
  • a disadvantage of the production of such connection assembly 10, however, is the high cost. The joining of carbon fiber reinforced components 12 with aluminum components 14 is therefore very time consuming and costly according to the prior art.
  • the method shown schematically in FIG. 3 can be used.
  • the joining area of a Aluminum component which is to be joined with a carbon fiber reinforced component, provided with a thermally sprayed protective layer.
  • a substrate pretreatment takes place in the joining region of the aluminum part.
  • the component is degreased and the surface thereof is optionally roughened by sandblasting.
  • an average roughness R A of 4.5 to 5 micrometers or an average roughness R z of 25 to 30 micrometers is ideally aimed for.
  • step S12 an area of the area to be coated is not to be coated
  • the actual coating is carried out by thermal spraying.
  • conventional spraying methods can be used, wherein the cold gas high-speed flame spraying is particularly expedient.
  • the coating material in the form of a wire, powder of a rod or a cord is supplied in a spray gun 32 and at least partially melted in an energy source 34, for example a flame, an arc or a plasma.
  • an energy source 34 for example a flame, an arc or a plasma.
  • the particles 38 thus obtained are accelerated toward the surface 40 to be coated.
  • Suitable materials for application are metals which have a more positive normal potential in the electrochemical voltage series - ie are more noble than the material of the metallic component to be coated.
  • aluminum components are particularly suitable nickel or tin. Ceramics, for example on the basis of titanium oxides, chromium oxides or aluminum oxides can also be used, so as to ensure complete electrical insulation of the
  • a further treatment can be carried out in method step S16. This can be thermal or mechanical
  • Adjust coating 42 may be carried out, for example by grinding, polishing, remelting or laser structuring, so as to achieve the desired surface properties in the field of Adjust coating 42.
  • a combination of the mentioned methods is of course possible.
  • a polymer seal can also be applied to the coating in the following method step S20.
  • Coating 42 and the surface 40 of the aluminum component can optionally be sprayed with an intermediate layer so as to possibly still existing

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Coating By Spraying Or Casting (AREA)
  • Laminated Bodies (AREA)

Abstract

L'invention concerne un procédé d'assemblage d'un premier élément constitué d'un matériau composite renforcé par des fibres de carbone à un second élément en métal, selon lequel une zone d'assemblage du premier élément est pourvue avant l'assemblage d'une couche anticorrosion (42) destinée à assurer une protection contre une corrosion par contact électrochimique, la couche anticorrosion (42) étant appliquée par pulvérisation thermique et un isolant électrique ou un métal électrochimiquement plus noble que le métal du second élément étant utilisé pour la couche anticorrosion (42).
PCT/EP2011/006127 2011-02-25 2011-12-07 Procédé d'assemblage d'un élément constitué d'un matériau composite renforcé par des fibres de carbone à un élément en métal et système de liaison de tels éléments WO2012113426A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011012319A DE102011012319A1 (de) 2011-02-25 2011-02-25 Verfahren zum Fügen eines Bauteils aus einem faserverstärktem Verbundwerkstoff mit einem Bauteil aus einem Metall und Verbindungsanordnung solcher Bauteile
DE102011012319.9 2011-02-25

Publications (1)

Publication Number Publication Date
WO2012113426A1 true WO2012113426A1 (fr) 2012-08-30

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PCT/EP2011/006127 WO2012113426A1 (fr) 2011-02-25 2011-12-07 Procédé d'assemblage d'un élément constitué d'un matériau composite renforcé par des fibres de carbone à un élément en métal et système de liaison de tels éléments

Country Status (2)

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DE (1) DE102011012319A1 (fr)
WO (1) WO2012113426A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140248143A1 (en) * 2013-03-04 2014-09-04 Eads Construcciones Aeronáutìcas S.A. Monolithic fan cowl of an aircraft engine and a manufacturing method thereof
EP3006591A1 (fr) * 2014-10-10 2016-04-13 INOMETA GmbH & Co. KG Procédé de fabrication d'un composant revêtu et composant revêtu

Families Citing this family (2)

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Publication number Priority date Publication date Assignee Title
EP2871257A1 (fr) * 2013-11-11 2015-05-13 Siemens Aktiengesellschaft Procédé de revêtement avec procédé de refonte ultérieure
DE102015218957A1 (de) 2015-09-30 2017-03-30 Bayerische Motoren Werke Aktiengesellschaft Befestigungsbuchse für ein Strukturbauteil aus CFK

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US20070241164A1 (en) * 2006-04-17 2007-10-18 Lockheed Martin Corporation Perforated composites for joining of metallic and composite materials
DE102009056672A1 (de) 2008-12-10 2010-06-24 GM Global Technology Operations, Inc., Detroit Verfahren zur Reduktion einer Korrosion zwischen Magnesium und einem weiteren Metall

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US20060249246A1 (en) * 2005-05-06 2006-11-09 Ealey Mark A Method of fabricating replicated optics
US20070241164A1 (en) * 2006-04-17 2007-10-18 Lockheed Martin Corporation Perforated composites for joining of metallic and composite materials
DE102009056672A1 (de) 2008-12-10 2010-06-24 GM Global Technology Operations, Inc., Detroit Verfahren zur Reduktion einer Korrosion zwischen Magnesium und einem weiteren Metall

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VERMEEREN, C A J R: "The application of carbon fibres in ARALL laminates", TECHNISCHE UNIVERSITEIT DELFT, FAKULTEIT VAN LUCHTVAART- EN RUIMTEVAARTTECHNIEK, REPORT LR-658, September 1991 (1991-09-01), pages 1 - 39, XP055016581, Retrieved from the Internet <URL:http://repository.tudelft.nl/assets/uuid:e14663a0-6fe6-499d-b5dd-22e56ac8f127/LR-658.pdf> [retrieved on 20120116] *
WANG W-X ET AL: "Galvanic corrosion-resistant carbon fiber metal laminates", PROCEEDINGS OF THE 16TH INTERNATIONAL CONFERENCE ON COMPOSITE MATERIALS, ICCM-16 - "A GIANT STEP TOWARDS ENVIRONMENTAL AWARENESS: FROM GREEN COMPOSITES TO AEROSPACE", 08 - 13 JULY 2007 KYOTO [JP], WEKM1-05, 11 July 2007 (2007-07-11), ICCM-16 Publication Committee, Tokyo [JP], pages 1 - 10, XP002667167 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140248143A1 (en) * 2013-03-04 2014-09-04 Eads Construcciones Aeronáutìcas S.A. Monolithic fan cowl of an aircraft engine and a manufacturing method thereof
US9677409B2 (en) * 2013-03-04 2017-06-13 Eads Construcciones Aeronauticas S.A. Monolithic fan cowl of an aircraft engine and a manufacturing method thereof
EP3006591A1 (fr) * 2014-10-10 2016-04-13 INOMETA GmbH & Co. KG Procédé de fabrication d'un composant revêtu et composant revêtu

Also Published As

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DE102011012319A1 (de) 2012-08-30

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