EP3233436A1 - Pièce profilée comportant plusieurs couches - Google Patents

Pièce profilée comportant plusieurs couches

Info

Publication number
EP3233436A1
EP3233436A1 EP15801683.2A EP15801683A EP3233436A1 EP 3233436 A1 EP3233436 A1 EP 3233436A1 EP 15801683 A EP15801683 A EP 15801683A EP 3233436 A1 EP3233436 A1 EP 3233436A1
Authority
EP
European Patent Office
Prior art keywords
profile part
matrix material
layers
layer
fibers
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.)
Withdrawn
Application number
EP15801683.2A
Other languages
German (de)
English (en)
Inventor
Eckhard Reese
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mercedes Benz Group AG
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 EP3233436A1 publication Critical patent/EP3233436A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • B32B1/00—Layered products having a non-planar shape
    • B32B1/08—Tubular products
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/40—Shaping or impregnating by compression not applied
    • B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
    • B29C70/52—Pultrusion, i.e. forming and compressing by continuously pulling through a die
    • 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
    • B32B1/00—Layered products having a non-planar shape
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
    • B32B27/281—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42 comprising polyimides
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
    • B32B27/286—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42 comprising polysulphones; polysulfides
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
    • B32B27/288—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42 comprising polyketones
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/302—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising aromatic vinyl (co)polymers, e.g. styrenic (co)polymers
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/308—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising acrylic (co)polymers
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B32B27/322—Layered products comprising a layer of synthetic resin comprising polyolefins comprising halogenated polyolefins, e.g. PTFE
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • B32B27/365—Layered products comprising a layer of synthetic resin comprising polyesters comprising polycarbonates
    • 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
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of 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
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/12—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer characterised by the relative arrangement of fibres or filaments of different layers, e.g. the fibres or filaments being parallel or perpendicular to each other
    • 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
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • 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
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/02—Physical, chemical or physicochemical properties
    • B32B7/022—Mechanical properties
    • 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
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/02—Physical, chemical or physicochemical properties
    • B32B7/027—Thermal properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2077/00—Use of PA, i.e. polyamides, e.g. polyesteramides or derivatives thereof, as moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2309/00—Use of inorganic materials not provided for in groups B29K2303/00 - B29K2307/00, as reinforcement
    • B29K2309/08—Glass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles
    • B29L2023/22—Tubes or pipes, i.e. rigid
    • 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
    • B32B2250/00—Layers arrangement
    • B32B2250/03—3 layers
    • 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
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/04—Impregnation, embedding, or binder material
    • B32B2260/046—Synthetic resin
    • 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
    • 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
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0261—Polyamide fibres
    • B32B2262/0269—Aromatic polyamide fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
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    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • 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
    • 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
    • B32B2262/106—Carbon fibres, e.g. graphite fibres

Definitions

  • the invention relates to a profile part according to claim 1.
  • German Offenlegungsschrift DE 10 2011 018 422 A1 is incorporated by reference
  • Fiechtpuitrusions compiler with which a multi-layer hollow profile braid of a variety of hybrid rovings or fiber tapes, which reinforcing fibers and
  • thermoplastic matrix material on a wicker thorn by means of a
  • Lichen device is generated.
  • the hollow profile braid is removed from the braid mandrel and downstream by means of a consolidation tool
  • Pulled withdrawal device by a feeder die in the consolidation tool a Flechtpultrusionsstrom. It will be a Gleitummantelung from the
  • thermoplastic matrix material to the hollow profile braid, wherein the thermoplastic matrix material of the Gleitummantelung at least to a
  • Consolidation tool tempering has.
  • the hollow profile braid produced in this way is only limited examverarbeitbar. In particular, there is a risk that it bursts or ruptures in a subsequent hydroforming.
  • the invention has for its object to provide a profile part, which does not have the disadvantages mentioned.
  • a profile part is to be created, on the one hand thermally deformable, while on the other hand does not burst in a heated state during hydroforming.
  • the object is achieved by a profile part with the features of claim 1 is created.
  • Advantageous embodiments emerge from the subclaims.
  • the profile part has a plurality of layers, the layers each having a fiber-reinforced plastic.
  • the profile part is characterized in that at least two layers with respect to at least one of the layers
  • the two layers which differ with respect to the at least one parameter characterizing the layers, differ with regard to their function.
  • This allows an ideal matching of the profile part to its use and / or to further forming steps.
  • a first layer to impart rigidity and / or strength to the profile part, wherein a second layer is designed to be impermeable to gas, so that it is resistant to pressures and temperatures which are particularly effective in hydroforming.
  • a fluid or a hot gas for example air, nitrogen, an inert gas or another suitable fluid, is conveyed into the profile part and tensioned under pressure so that it expands until it bears against a forming tool.
  • the forming medium is typically removed after forming. It prevails during hydroforming
  • a profile part is also preferred in which the at least one parameter characterizing the layers is selected with regard to different functions of the layers.
  • the profile part is ideal for in its further processing or processing and / or in its use prevailing conditions
  • the profile part is preferably formed as a tubular semi-finished product, in particular as a hollow profile.
  • the tubular semi-finished product is used in particular for producing a
  • Structural component for a vehicle body in particular for a
  • Motor vehicle body particularly preferred for the body of a truck.
  • it is preferably used for producing a support for a shell flap of a truck.
  • An embodiment of the profile part is preferred, which is characterized in that at least one of the layers consists of a fiber-reinforced plastic.
  • each of the layers consists of a fiber-reinforced plastic.
  • a material is generally addressed, which has a matrix material and fibers embedded therein.
  • at least one of the layers has continuous fibers or continuous fiber bundles, so-called rovings, as reinforcing fibers.
  • An embodiment in which each of the layers is continuous fibers or endless fiber bundles is also preferred
  • a profile part is preferred in which at least one of the layers comprises a thermoplastic as matrix material.
  • thermoplastics in comparison to thermosets in particular have the advantage that they can be recycled to a high-quality, fiber-reinforced plastic granules, which subsequently - especially in an injection molding process - can be reused.
  • all layers of the profile part on a thermoplastic as a matrix material it is possible, using a thermoplastic as a matrix material for the profile part to achieve a significantly lower density at similar favorable mechanical properties as in the use of aluminum.
  • hybrid fiber rovings are preferably used. These are fiber bundles consisting of reinforcing fibers and fibers of matrix material, in particular thermoplastic fibers, and / or of matrix material-coated reinforcing fibers, in particular thermoplastic-coated reinforcing fibers, or of matrix material-coated reinforcing fibers and additional fibers of matrix material, in particular thermoplastic fibers, consist.
  • the thermoplastic material which comprises the hybrid fiber roving used and the matrix material of the finished layer of the profile part are preferably identical, or it is possible that the complete matrix material of the layer is introduced exclusively via the hybrid fiber roving.
  • An embodiment of the profile part is also preferred, which is characterized in that the at least one parameter characterizing the layers is selected from a group consisting of a type of reinforcing fibers comprising the fiber-reinforced plastic, a matrix material of the fiber-reinforced
  • Plastic a type of arrangement of the reinforcing fibers, and an arrangement pattern of the reinforcing fibers.
  • one type of reinforcing fibers in particular the material of the reinforcing fibers, their thickness or thickness, as well as their property as individual fibers or fiber bundles or in particular hybrid rovings, are addressed.
  • the profile part has as reinforcing fibers glass fibers, carbon fibers, ceramic fibers, metal fibers, natural fibers, aramid fibers, basalt fibers, or other suitable fibers. Such fibers can also be easily combined with each other.
  • the plastic is addressed, in which the reinforcing fibers are embedded.
  • this is preferably a thermoplastic.
  • the matrix material may in particular be selected from a group consisting of polyamide 6 (PA 6), polyamide 6.6 (PA 6.6), polyphthalamide (PPA), polyetheretherketone (PEEK), polyamide 12 (PA 12), polyimide, liquid crystal polymer (LCP), polyetherimide (PEI), polyphenylene sulfide (PPS), polysulfone (PSU), polybutylene terephthalate (PPT), polycarbonate (PC),
  • PA 6 polyamide 6
  • PA 6.6 polyphthalamide
  • PEEK polyetheretherketone
  • PA 12 polyamide 12
  • LCP liquid crystal polymer
  • PEI polyetherimide
  • PPS polyphenylene sulfide
  • PSU polysulfone
  • PPT polybutylene terephthalate
  • PC polycarbonate
  • POM Polyoxymethylene
  • PTFE polytetrafluoroethylene
  • PMMA polymethyl methacrylate
  • ABS acrylonitrile butadiene styrene
  • PPE polyphenylene ether
  • PE polyethylene
  • Polypropylene PP
  • polyvinyl chloride PVC
  • PS polystyrene
  • PET polyethylene terephthalate
  • the reinforcing fibers of the profile part are braided or wound.
  • a pattern of arrangement of the reinforcing fibers in particular a pattern is addressed, with which the fibers are arranged within the selected arrangement type are, for example, a weave pattern, a laying pattern, a weave pattern, a knitting pattern, a knitting pattern, a winding pattern, or a corresponding other pattern.
  • an arrangement pattern of the reinforcing fibers in one layer is narrower or denser than an arrangement pattern in another layer.
  • the terms “narrower” and “denser” particularly mean that a greater number of reinforcing fibers or a larger proportion of reinforcing fiber material per
  • Area unit is provided in the pattern.
  • the profile part is preferably formed as a hollow part, in particular as a tubular hollow part. In this case, it preferably has a closed cross-section, viewed in the circumferential direction.
  • different cross sections are possible, for example a circular cross section, a rectangular cross section, a square cross section, an oval cross section, a polygonal cross section or any other suitable and in particular with regard to a further use of
  • a direction is addressed here which concentrically surrounds a longitudinal direction pointing in the feed direction during the production of the profile part, which is preferably produced as an endless profile.
  • a radial direction is a direction perpendicular to the longitudinal direction.
  • An embodiment of the profile part is preferred, which is characterized in that a - seen in the radial direction - innermost layer of the profile part, ie a hollow interior of the profile part facing layer, a matrix material having a matrix material of an outer - and in particular an outermost - Layer of the profile part is chemically and / or physically similar. This results in particular for the stability of the profile part particularly favorable cohesive connection of the two layers, if they are immediately adjacent. Incidentally, there is the advantage of comparatively homogeneous material properties of the profile part along the radial direction. An example of chemically and physically very similar
  • Matrix materials form PA 6 on the one hand and PA 6.6 on the other hand.
  • the matrix material of the innermost layer preferably has a higher melting point, a higher glass transition temperature, a higher heat resistance, better media resistance, in particular
  • the matrix material of the innermost layer preferably has a smaller one in comparison with the matrix material of the outer layer
  • each of these properties makes the inner layer appear to be particularly resistant to introduced into the profile part media - especially in a hydroforming.
  • An embodiment of the profile part is also preferred, which is characterized in that the matrix material of the innermost layer is a
  • the matrix material of the innermost layer preferably has a melting point of at least 260 ° C. Also, each of these properties gives the matrix material of the inner layer a particular suitability for hydroforming the
  • An embodiment of the profile part is also preferred, which is characterized in that it has three layers-particularly preferably exactly and only three layers-namely an inner layer, an intermediate layer and an outer layer. These are preferably specifically matched to different functions within the profile part, in particular by appropriate selection of at least one parameter characterizing the layers.
  • the inner layer preferably comprises a matrix material having a melting point higher than the melting point of a matrix material of the outer layer.
  • the melting point of the matrix material of the inner layer is also higher than the melting point of the matrix material of the intermediate layer.
  • the outer layer and the intermediate layer are identical
  • Matrix material for the outer layer or the intermediate layer to choose cheaper than the matrix material for the inner layer, since only the matrix material of the inner layer is typically exposed to the conditions of hydroforming for the profile part, the other layers do not have to survive appropriate conditions.
  • the profile part is preferred, which is characterized in that the intermediate layer comprises glass fibers as reinforcing fibers.
  • the intermediate layer can be manufactured with a particularly high stability and give the profile part a high strength and rigidity.
  • the inner layer and / or the outer layer comprises / have reinforcing fibers which are selected from a group consisting of
  • Carbon fibers, basalt fibers, and aramid fibers Carbon fibers, basalt fibers, and aramid fibers.
  • glass fibers of the intermediate layer or between glass fiber layers of the intermediate layer additionally fiber layers, single fibers or
  • Fiber bundles of carbon fibers, aramid fibers or basalt fibers are introduced. These are preferably introduced as hybrid fiber rovings. Thus, highly variable and requirement-optimized profile parts can be produced.
  • the profile part has more than three layers.
  • a profile part which has three different layers with respect to their function and preferably also to their material configuration, it being possible for at least one of these different layers, in particular also each of these layers, to again have a plurality of layers. which are identical with respect to the corresponding function and / or with respect to the material embodiment.
  • a multi-layer structure of the profile part which in particular may have three functional layers, each having a plurality of layers.
  • the outer layer and / or the intermediate layer comprises / comprise a matrix material which is selected from a group consisting of PA6, PE, PP, PVC, PS, PA and PET.
  • the inner layer preferably comprises a matrix material selected from a group consisting of PA6.6, PPA, PEEK, PA12, polyimide, LCP, PEI, PPS, PSU, PBT, PC, POM, PTFE, PMMA, ABS, PPE and a Blend of ABS, PPE.
  • An embodiment in which the outer layer and / or the Intermediate layer has / have a matrix material which is PA or PA6.
  • the inner layer comprises a matrix material which is selected from a group consisting of PA6.6, PA12, PPA, PEEK, polyimide, LCP, PEI, PPS, and PSU.
  • An exemplary embodiment of the profile part is also preferred, which is characterized in that the outer layer and the intermediate layer comprise PA 6 as matrix material, the inner layer comprising PA 6.6 or PPA as matrix material. It is thus ensured in a particularly suitable manner that the inner layer better
  • the inner layer is particularly suitable
  • the profile part which is characterized in that the reinforcing fibers of at least one of the layers are braided.
  • the reinforcing fibers of all layers of the profile part are preferably braided.
  • an embodiment of the profile part is particularly preferred in which it is provided that a braiding pattern of the inner layer is denser or narrower than a braiding pattern of the outer layer.
  • the braiding pattern of the inner layer is also denser or narrower than a braiding pattern of the intermediate layer. In this way, a special braided and dense as possible pattern can be selected for the inner layer, which makes this particularly suitable for the hydroforming of the profile part.
  • the profile part is also preferred, which is characterized in that the profile part is produced in a braided pultrusion process.
  • the profile part is particularly preferably produced in a process in which the reinforcing fibers are wound as continuous fibers onto a stationary braiding mandrel, which is not used as a lost braiding mandrel, but rather remains in the braiding unit. The reinforcing fibers are thus fixed to a fixed braiding mandrel, which is not used as a lost braiding mandrel, but rather remains in the braiding unit. The reinforcing fibers are thus fixed to a fixed
  • the profile part is produced in a subsequent consolidation step as a hollow profile.
  • the impregnation and consolidation can be done in the braiding pultrusion.
  • the profile part is produced in a process as described in German Offenlegungsschrift DE 10 2011 018 422 A1.
  • thermoplastic FRP hollow profile is continuously produced as profiled part in a braided pultrusion plant with the following steps:
  • a multilayer hollow profiled braid is produced from a multiplicity of hybrid rovings or fiber tapes, wherein the hybrid rovings or Fiber tapes reinforcing fibers and thermoplastic
  • the multilayer hollow profile braid is produced on a braiding mandrel by means of a braiding device which has at least two braiding wheels.
  • the hollow profile braid is withdrawn from the braiding mandrel and passed through a feed matrix into a consolidation tool of the braided pultrusion plant by means of a
  • Consolidation tool withdrawn downstream trigger device. It is a Gleitummantelung of the thermoplastic matrix material produced around the hollow profile mesh, wherein the thermoplastic matrix material of the Gleitummantelung is present at least heated to a glass transition temperature of the thermoplastic matrix material.
  • the hollow profile braid is in the consolidation tool with the
  • the invention also includes a corresponding manufacturing method for producing the profile part, in particular a braided pultrusion method.
  • melted matrix material is supplied to the hollow profile braid for producing the sliding jacket at the entry into the consolidation tool, in particular immediately after the draw-in die.
  • the profile part which is characterized in that this is at least partially coated with a plastic, in particular a thermoplastic, and / or injected behind.
  • a plastic in particular a thermoplastic
  • the profile part is at least
  • Assembly for example, a motor vehicle body.
  • the profile part preferably via plastic injection molding with adjacent Plankungs kind, which are preferably formed from organic sheet and / or injection molded, materially connected, where it carries the loads occurring in the construction.
  • a profile part is preferred, which is characterized in that it is used as a carrier tube or assembly carrier for a vehicle, in particular for a
  • Motor vehicle particularly preferably for a truck, is formed. Particularly preferably, it is designed as a carrier tube or assembly carrier for a planking part of a vehicle body, in particular for the front flap of a truck.
  • Fig. 1 is a schematic representation of an embodiment of a profile part in longitudinal section
  • Fig. 2 is a schematic cross-sectional view of the profile part according to Figure 1
  • Fig. 3 is a schematic representation of an embodiment of a
  • Figure 1 shows a schematic representation of an embodiment of a profile part 1 in longitudinal section.
  • the profile part 1 is preferably made as an endless profile and cut to a certain length.
  • a longitudinal axis L of the profile part 1 preferably corresponds to a feed direction or withdrawal direction of the profile part 1 in the case of
  • the profile part 1 here is a hollow, tubular profile with - as shown in Figure 2 - circular cross-section, which has a plurality of layers, namely exactly three layers, namely an inner layer 3, an intermediate layer 5 and an outer layer 7. It is possible in that at least one of these layers, if appropriate more than one of these layers, and in particular each of these layers, has a plurality of layers which are then preferably identical with regard to their function and / or their material configuration within the respective layer. In contrast, the different layers, namely the inner layer 3, the
  • each of the layers namely the inner layer 3, the intermediate layer 5 and the
  • Outer layer 7 has a fiber-reinforced plastic or preferably consists of a fiber-reinforced plastic.
  • a fiber-reinforced plastic or preferably consists of a fiber-reinforced plastic.
  • it is an endless fiber-reinforced plastic, wherein the reinforcing fibers - especially as hybrid fiber rovings - are braided.
  • the outer layer 7 has reinforcing fibers, which are carbon fibers, basalt fibers, and / or as carbon fibers
  • Aramid fibers are formed. A combination of the mentioned fiber types is possible.
  • the outer layer preferably has PA 6.
  • the intermediate layer 6 is preferably formed as a glass fiber reinforced layer, thus has glass fibers as reinforcing fibers. It is possible that in addition carbon fibers, aramid fibers and / or basalt fibers are introduced into the glass fiber layer to flexibly adapt their properties.
  • the intermediate layer 5 preferably has PA 6.
  • the intermediate layer 5 and the outer layer 7 preferably have an identical matrix material, in particular PA 6.
  • the inner layer 3 has in the embodiment shown here
  • Matrix material which has a higher melting point than the matrix material of the intermediate layer 5 and the outer layer 7.
  • the matrix material of the intermediate layer 5 and the outer layer 7. Particularly preferably, the
  • Inner layer 3 PA 6.6 or PPA as matrix material.
  • reinforcing fibers for the inner layer carbon fibers, basalt fibers, aramid fibers and / or glass fibers are possible.
  • the inner layer 3 preferably has a braiding pattern which is different from the braiding pattern for the intermediate layer 5 and the outer layer 7, in particular being denser or narrower than the braid / winding patterns for the latter
  • FIG. 2 shows a schematic cross-sectional view of the embodiment of the profile part 1 according to Figure 1.
  • the profile part 1 is formed here as a tubular profile part with a circular cross-section.
  • pressure forces indicated in the hydroforming of the profile part 1 on the inner layer. 3 act. It serves as a support and protective layer against the internal pressure and the heat with which the profile part 1 at
  • Hydroforming is applied, in particular by having a higher melting point and preferably a higher glass transition temperature with respect to the matrix material than the intermediate layer 5 and the outer layer. 7
  • FIG. 3 shows a schematic representation of an embodiment of a method for producing the profile part 1 according to FIGS. 1 and 2. It is shown that for the production of the profile part 1 a braided pultrusion device 11 is used which has a braiding unit 13 with a plurality of braiding wheels 15, in which
  • Hybrid fiber rovings of which only one is denoted by the reference numeral 17 for the sake of clarity, are braided on a fixed, stationary braiding mandrel 19.
  • a multilayer hollow profiled braid is produced, which is withdrawn from the braided dome 19 by means of a take-off device 23 assigned to a pultrusion unit 21 and drawn into a consolidation tool 25.
  • Consolidation tool 25 a sliding jacket made of a thermoplastic matrix material is produced around the hollow profiled braid.
  • the endless profile further conveyed by the extraction device 23 is preferably tested by a test device 27 and optionally deformed in a postforming device 29. It is particularly possible that the cross section of the endless profile and / or its course - in particular by bending - is changed.
  • a separation device not shown, is provided by which the endless profile thus produced is cut to length in individual profile parts.
  • profile part 1 an ideal torsion and rigid, closed hollow profile is created, which can be produced in a production-compatible and highly integrated manufacturing process.
  • a recyclable material concept can be realized, whereby technically usable, reinforced plastic granules can be produced within the scope of recycling.
  • the integration of all manufacturing processes in a so-called oneshot process results in significant cost and energy savings.
  • With respect to the profile part 1 results in a performance increase by integration of different materials for requirement-dependent properties, in particular an increased strength and / or rigidity.
  • this can be configured gas-impermeable, whereby a
  • the profile part 1 is resistant to media and temperature.
  • An NVH behavior of the profile part 1 (noise, vibration, harshness) is reduced or improved.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Laminated Bodies (AREA)
  • Moulding By Coating Moulds (AREA)

Abstract

La présente invention concerne une pièce profilée (1) comportant plusieurs couches qui présentent respectivement une matière plastique renforcée par des fibres, caractérisée en ce qu'au moins deux couches se distinguent par rapport à au moins un paramètre caractérisant les couches.
EP15801683.2A 2014-12-19 2015-11-27 Pièce profilée comportant plusieurs couches Withdrawn EP3233436A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014019149.4A DE102014019149A1 (de) 2014-12-19 2014-12-19 Profilteil mit einer Mehrzahl von Schichten
PCT/EP2015/002394 WO2016096093A1 (fr) 2014-12-19 2015-11-27 Pièce profilée comportant plusieurs couches

Publications (1)

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EP3233436A1 true EP3233436A1 (fr) 2017-10-25

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EP15801683.2A Withdrawn EP3233436A1 (fr) 2014-12-19 2015-11-27 Pièce profilée comportant plusieurs couches

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US (1) US10300674B2 (fr)
EP (1) EP3233436A1 (fr)
CN (1) CN107107540A (fr)
DE (1) DE102014019149A1 (fr)
WO (1) WO2016096093A1 (fr)

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DE102018212442A1 (de) * 2018-07-25 2020-01-30 Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Coburg Fahrzeugsitzgestell mit einem aus einem Faserverbundwerkstoff gefertigten Rohrelement
CN111267368A (zh) * 2018-12-05 2020-06-12 湖南易净环保科技有限公司 一种大口径环氧玻璃纤维及织带缠绕挤拉管生产工艺
EP3868553A1 (fr) * 2020-02-18 2021-08-25 LANXESS Deutschland GmbH Matière composite multicouche

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KR890005310A (ko) * 1987-09-17 1989-05-13 나까하라 노부유끼 섬유강화 복합수지 인발성형품(引拔成形品) 및 그의 제조방법
DE10205965A1 (de) * 2002-02-14 2003-09-04 Daimler Chrysler Ag Konstruktionselement aus faserverstärktem Kunststoff
WO2007090259A1 (fr) * 2006-02-07 2007-08-16 Resin Systems Inc. Procédé de pultrusion utilisant de multiples résines
CN101418886A (zh) * 2008-12-10 2009-04-29 大连宇星净水设备有限公司 一种连续纤维增强热塑性复合管道
DE102011018422A1 (de) 2011-04-21 2012-10-25 Daimler Ag Kontinuierliches Flechtpultrusionsverfahren für ein thermoplastisches FVK-Hohlprofil und Flechtpultrusionsanlage
CN103302927A (zh) * 2012-03-08 2013-09-18 上海杰事杰新材料(集团)股份有限公司 一种集装箱底板用复合材料及其制备方法
US9290212B2 (en) 2013-05-24 2016-03-22 Ford Global Technologies, Llc Carbon fiber prepreg-wrapped beam structures
DE102013111702A1 (de) 2013-10-24 2015-04-30 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Faserverbundbauteil und Verfahren zum Herstellen eines Faserverbundbauteils

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US20180036991A1 (en) 2018-02-08
DE102014019149A1 (de) 2016-06-23
CN107107540A (zh) 2017-08-29
US10300674B2 (en) 2019-05-28
WO2016096093A1 (fr) 2016-06-23

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