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WO2010031586A1 - Procédé pour déformer des objets ainsi qu'objets déformables - Google Patents

Procédé pour déformer des objets ainsi qu'objets déformables Download PDF

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Publication number
WO2010031586A1
WO2010031586A1 PCT/EP2009/006836 EP2009006836W WO2010031586A1 WO 2010031586 A1 WO2010031586 A1 WO 2010031586A1 EP 2009006836 W EP2009006836 W EP 2009006836W WO 2010031586 A1 WO2010031586 A1 WO 2010031586A1
Authority
WO
WIPO (PCT)
Prior art keywords
plastic layer
deformation
electrodes
electrically conductive
article
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.)
Ceased
Application number
PCT/EP2009/006836
Other languages
German (de)
English (en)
Inventor
Florian Rothfuss
Simona Margutti
Dominik Nemec
Harun Erismis
Daniel Georg Weis
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.)
Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
Original Assignee
Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
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 Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV filed Critical Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
Publication of WO2010031586A1 publication Critical patent/WO2010031586A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/0272—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using lost heating elements, i.e. heating means incorporated and remaining in the formed article
    • 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
    • B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/02—Bending or folding
    • B29C53/04—Bending or folding of plates or sheets
    • 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
    • B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/02—Bending or folding
    • B29C53/08—Bending or folding of tubes or other profiled members
    • B29C53/083—Bending or folding of tubes or other profiled members bending longitudinally, i.e. modifying the curvature of the tube axis
    • 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
    • B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/80—Component parts, details or accessories; Auxiliary operations
    • B29C53/84—Heating or cooling
    • 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
    • B29C61/00—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
    • B29C61/06—Making preforms having internal stresses, e.g. plastic memory
    • B29C61/0608—Making preforms having internal stresses, e.g. plastic memory characterised by the configuration or structure of the preforms
    • B29C61/0625—Preforms comprising incorporated or associated heating means
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
    • B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
    • B29C2035/0811—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation using induction
    • 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
    • B29C61/00—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
    • B29C61/02—Thermal shrinking
    • 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
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/16—Fillers
    • B29K2105/165—Hollow fillers, e.g. microballoons or expanded particles
    • B29K2105/167—Nanotubes
    • 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
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0003—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular electrical or magnetic properties, e.g. piezoelectric
    • B29K2995/0005—Conductive
    • 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
    • B29L2031/00—Other particular articles
    • B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
    • B29L2031/3044—Bumpers

Definitions

  • the invention relates to a method for deforming objects as well as deformable objects, which have at least one layer of plastic, which comprises at least one electrically conductive filler nanotubes.
  • plastics or plastic materials Due to the physical and chemical properties and the good manufacturability find plastics or plastic materials in many different applications.
  • the objects made of plastic are melted and then brought into their shape by various methods.
  • an extrusion or an injection method as well as a thermoforming or the like may be provided.
  • These methods have the disadvantage that relatively high production costs are required, for example for toolmaking, in order to mold the plastic materials or to convert intermediates into their predetermined form.
  • the completion of certain geometries is very difficult, especially with complex geometries, such as pipes. As soon as they have been shaped, they can hardly be changed afterwards. This becomes all the more critical as soon as fiber-reinforced, in particular glass fiber reinforced, plastic materials are used.
  • the invention is therefore based on the object to provide a method for deforming objects and deformable objects, so that a simple and rapid shaping or shape change is made possible even after the manufacture of the objects.
  • a method for deforming objects with at least one layer of plastic which comprises at least one electrically conductive filler, characterized in that a first and a second electrode are positioned on the article by contacting or non-contact, so that a deformation region is formed between the first and second electrode, that electrical or magnetic energy is introduced by the electrodes in the deformation region and thereby heats the deformation region and after the introduction of a deformation temperature, a deformation is initiated.
  • plastic materials comprising at least one electrically conductive filler material can be heated by applying a voltage and allowed to heat to a deformation temperature of the plastic layer from which the article is made.
  • the deformation such as bending, contouring, profiling or the like
  • the object remains in its new shape.
  • the object is adaptable to the intended use.
  • the electrical conductivity or the heating of the at least one filling material produced as a result of the electrical resistance is utilized, whereby its preferred uniform distribution within the plastic layer enables a uniform heating of the deformation region between the applied electrodes.
  • the deformation region is heated by the electrodes and after reaching the deformation temperature, an independent deformation due to the material properties of the at least one plastic layer is initiated.
  • the at least one plastic layer has a shape-memory effect, that is to say that, starting at a specific deformation temperature, the region deformed relative to the original shaping state automatically returns to the original shaping state or returns by means of at least slight force assistance.
  • the targeted heating of the deformed area can be an independent healing or a targeted return to the original state. This can be advantageous, for example, when using the articles as bumpers in the motor vehicle sector, so that minor denting or dents can be returned to the original state by heating the deformed region. As a result, a complete replacement of a bumper is no longer required. Other applications are also conceivable.
  • the deformation region is deformed by at least one externally applied mechanical stress.
  • the article is brought as a base material or starting material immediately before its intended use in the desired geometry or shape.
  • the article may be drawn as a tube in rod form as standard be educated.
  • the supply of electrical energy after reaching the deformation temperature preferably at the latest after the action of a mechanical load from the outside or an independent re-deformation is terminated.
  • the energy input is terminated after reaching the deformation temperature, since the deformation time is very short in relation to the cooling time until the plastic layer returns to a quasi-solid state, which only high-deformation Residual stresses.
  • cuff-shaped or bandage-shaped electrodes are placed under at least a small pressing force on a tubular article.
  • a simple introduction of the electrical energy is made possible via a surface contact of the plastic layer with the at least one electrically conductive filler material embedded therein and adjacent to the surface.
  • Such bandages are also flexible in use to different diameters and / or geometries customizable.
  • the electrodes are applied with a punctiform contact surface on the surface to form an intermediate deformation region by an at least low pressing force. Due to the configuration of the punctiform electrodes, a line or strip-shaped heating can be deliberately introduced into the material to be mechanically deformed. Thus, for example, indentations, beads, elevations, cams or the like can be formed in an object.
  • the electrodes are applied with a strip-shaped contact surface on the surface adjacent to the deformation region by an at least low pressing force and the deformation region is at least partially limited by the strip-shaped electrodes.
  • This configuration enables a surface boundary of the deformation region to be adjusted as needed for heating.
  • the geometry of the deformation range can be arbitrarily selected and adjusted.
  • electrodes may be provided with U- or V-shaped support areas.
  • electrodes with spiral support areas or the like can be used.
  • a further preferred embodiment of the method provides that an electrically conductive agent is applied to the surface of the plastic layer of the article, the electrode or both before contacting.
  • an electrically conductive agent is applied to the surface of the plastic layer of the article, the electrode or both before contacting.
  • good contact can be achieved with a low pressing force.
  • a full-surface contact can also be made possible in those areas in which the electrode, in particular in the case of a ring electrode, does not lie completely against the surface of the plastic layer.
  • liquids or gels are used as the electrically conductive agent.
  • conductive silver, mercury or the like are used.
  • an intermediate is introduced layer.
  • Such intermediate layers can consist, for example, of elastically yielding and flexible materials which comprise electrically conductive constituents or are, for example, metallically coated.
  • a metallically coated strip material can be used.
  • the object underlying the invention is achieved by an article having at least one layer of plastic, with at least one electrically conductive filler, in which the distribution of the at least one electrically conductive filler in the plastic layer is provided such that a line or inciför - Miger deformation region is electrically contactable by applying electrodes to deform after heating.
  • This article allows by the at least one electrically conductive filling material an optional arrangement of the electrodes on the object.
  • the size and the position of the deformation region can be determined and heated in an application-specific manner.
  • the article with at least one plastic layer, in which at least one electrically conductive plastic material is provided moreover also makes it possible for the article to be heated by applying the electrodes, without any deformation taking place.
  • such an article may find application as a heating or heating element.
  • nanotubes in particular carbon nanotubes
  • these nanotubes or carbon nanotubes are characterized in particular by their properties with regard to the conductivity and the heating.
  • the introduction of nanotubes as filling material makes it possible to maintain good deformability of the plastic layer in which the nanotubes are incorporated.
  • the nanotubes can be adapted and adapted to the respective application.
  • the electrically conductive filling material nanotubes, in particular carbon nanotubes, gold-borite-silicon-substituted carbon nanotubes, nanotubes of metal-calcium, metal chlorides or metal sulfides may be provided.
  • the carbon nanotubes can be used as single-walled, double- walled or multi-walled carbon nanotubes include. In addition, these can also be functionalized.
  • Leitruß, graphite, expanded graphite, metal powder, metal particles or other conductive particles are provided as the electrically conductive filler. Even such conductive materials make it possible, when electrodes are applied, to create a deformation region on the plastic layer which can be heated in particular to a deformation temperature. Furthermore, it can be provided that a mixture of electrically conductive filling materials is introduced into the plastic layer and distributed on its surface, so that, for example, nanotubes, in particular carbon nanotubes, and conductive carbon black, graphite, metal powder, metal particles or further conductive particles are combined with one another ,
  • non-electrically conductive auxiliary materials for increasing the mechanical and / or thermal and / or electrical properties are provided as a further filling material.
  • the plastic layer can be adapted to the respective applications depending on different filling materials and at the same time the function of deformability is maintained.
  • Silica also silylated, quartz flour, silicates or mixed silicates of sodium, potassium, calcium, magnesium, aluminum, iron and zirconium (also bentonite), oxides or mixed oxides of calcium, magnesium, aluminum, silicon and zinc, can be used as auxiliary materials.
  • the zinc content in the finished products may not exceed 1.0%, hydroxides or mixed hydroxides of calcium, magnesium and aluminum, carbonates or mixed carbonates of calcium, magnesium and aluminum sulphates or mixed sulphates of calcium and barium, calcium sulphoaluminate, aluminum powder and Aluminum bronze, graphite, glass fibers with a diameter greater than 1 ⁇ m (average diameter: 5 - 30 ⁇ m), glass microspheres with a mean diameter of 5 - 100 ⁇ m, cellulose, cotton fabric, not equipped, carbon fibers, wood flour from untreated wood , Polytetrafluoro- ethylene, provided its melt viscosity at 380 ° C more than 50 PA • s, dialuminium hexamagnesium carbonate hexadecahydroxide tetrahydrate, magnesium sodium fluoride silicate are used.
  • the plastic layer is made of a self-healing material, in particular a shape memory polymer, for.
  • a self-healing material in particular a shape memory polymer, for.
  • Nitinol Ni-Ti alloy
  • Other alloys are z.
  • These self-healing materials have the advantage that, when heated, the forcibly and unwanted introduced deformation or indentation returns to its original state of shape almost independently or with at least little external support.
  • bumpers or housings and covers can be quickly and easily returned to the initial state with small damage and a proper appearance can be produced.
  • the plastic layer of PEEK, PPS, PEI and glass or glass fiber reinforced as well as carbon-reinforced plastics are particularly suitable for deformation and their cooling, without residual stresses remain.
  • the deformation region is formed with a thermochromic color. This signals to the user at what time the deformation temperature has been reached so that mechanical stresses are introduced to deform the article. In addition, the user is signaled that the item has a heated area, so that it is protected from the risk of burns.
  • this is designed as a pipe with a plastic layer and at least one electrically conductive filler material and in particular has an inner coating.
  • a subsequent deformation from a raw state or original state for example as a rod product, particularly critical, since in the bending region or kink region on an outside an elongation and on an inside a compression of the material. Due to the inventive design of the article and the ability to heat the article in the deformation region these problem areas are not critical with respect to their stress.
  • these tubes can have internal coatings, for example, to improve the chemical neutrality or to meet the hygienic requirements.
  • PET bottles are provided in the beverage industry with glassy inner coatings that do not flake off even in deformations and cause a higher gas tightness of the PET bottle and thus also cause a longer shelf life of the bottle contents.
  • By attaching the electrodes on the outer circumference can still be done the desired deformation and adaptation to the installation situation.
  • FIG. 1 is a schematic sectional view of an article according to the invention before deformation
  • Figure 2 is a schematic sectional view of the article according to Figure 1 after deformation
  • Figure 3 is a perspective view of an application example of the subject invention and 4 shows a schematic sectional view along the line III-III in Figure 3.
  • an inventive article 11 is shown for example as a tube.
  • the article 11 may also be in the form of a pate-shaped, sheet-shaped or contoured layer, housing section, cover or the like.
  • the article 11 comprises a layer 12 made of plastic, which is filled, for example, at least with nanotubes as filling material.
  • the article 11 according to FIG. 1 is designed, for example, as a drinking water pipe and therefore has a pH-neutral internal coating 14.
  • This coating also preferably serves to act in an electrically insulating manner to the plastic layer 12 with a nanotube matrix.
  • air supply or the like can be used. If such pipes are intended for other applications, other coatings may be provided or the coating may be omitted.
  • first and second electrodes 16, 17 may be applied.
  • these electrodes 16, 17 are formed as ring electrodes, which are designed cuff or bandage-shaped. These are positioned under an at least low pressing force for contacting with the outer surface of the plastic layer 12 on the article 11.
  • an electrically conductive agent can be introduced between the plastic layer 12 and the electrodes 16, 17.
  • the ring ele- electrodes 16, 17 may also be provided electrodes with point-shaped contact surfaces, strip or linear contact surfaces.
  • contact surfaces are introduced at predefined intervals on the outer circumference of the plastic layer 12, to which the electrodes 16, 17 can be placed and contacted, the deformation region 18 always being provided therebetween. Between the two electrodes 16, 17, a deformation region 18 is formed or provided, which is to be deformed.
  • an electrical energy is introduced into the deformation region 18 via the electrodes 16, 17. Due to the electrical conductivity of the at least one filling material on the plastic layer 12, the deformation region 18 is heated. After it has been heated to a deformation temperature, the introduction of a mechanical load from outside can be carried out to carry out the deformation.
  • the tube can be curved by an angle of 90 °, as shown for example in Figure 2.
  • the supply of electrical energy can be stopped before the beginning of the deformation process.
  • the electrical energy can also be supplied until the completion of the deformation process or, if necessary, switched off prematurely before the end of the deformation.
  • the deformed article 11 is held in its deformed position or new geometric shape until the plastic layer 12 has cooled down sufficiently for the deformed article 12 to retain its new shape.
  • heating of the deformation region takes place once again in order to allow relaxation of the deformation region.
  • FIG. 3 shows a further example of application of the article 11 according to the invention.
  • the article 11 is designed, for example, as a bumper.
  • the plastic layer 12 is made of a shape memory polymer. Such materials have a self-healing property as soon as they are heated to a deformation temperature.
  • the bumper illustrated in FIG. 3 comprises, for example, a dent 25, which is illustrated in FIG.
  • strip-shaped electrodes 16, 17 are positioned around the indentation.
  • the electrodes may each have semicircular contact surfaces, so that the indentation 25 is located therebetween.
  • the deformation region 18, which is at least the same size, preferably larger than the indentation 25, is heated. Once the deformation temperature is reached, there is an independent reset of the indentation 25 due to the property of the material.
  • this provision can be supported, for example, by the one side by a pressure movement or by the other side by a suction or pulling movement, the indentation 25 is converted into a planar shape, so that it occupies a smooth contour with respect to the adjacent areas.
  • helical electrodes are used, which extend over the indentation 25 or at least partially rest against the indentation 25.
  • electrodes may be provided such that they are inductive heat or eddy currents form and thereby in the plastic surface in turn eddy currents can be induced; As a result, contactless heating can be achieved.
  • the electrodes are also formed and positioned on the deformation region such that annular or disk-shaped deformation regions can be formed.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Thermal Sciences (AREA)
  • Laminated Bodies (AREA)

Abstract

L'invention concerne un procédé pour déformer des objets (11) qui comprennent au moins une couche de plastique (12) avec au moins une matière de remplissage électriquement conductrice, une première et une deuxième électrode (16, 17) étant positionnées par mise en contact ou sans contact sur l'objet (11) de sorte qu'une zone de déformation (18) est formée entre les deux électrodes (16, 17), de l'énergie électrique est amenée dans la zone de déformation (18) par les électrodes (16, 17) et la zone de déformation (18) est ainsi chauffée et, après avoir atteint une température de déformation, une déformation de la zone de déformation (18) est amorcée.
PCT/EP2009/006836 2008-09-22 2009-09-22 Procédé pour déformer des objets ainsi qu'objets déformables Ceased WO2010031586A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008048384.2 2008-09-22
DE200810048384 DE102008048384A1 (de) 2008-09-22 2008-09-22 Verfahren zum Verformen von Gegenständen sowie verformbare Gegenstände

Publications (1)

Publication Number Publication Date
WO2010031586A1 true WO2010031586A1 (fr) 2010-03-25

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PCT/EP2009/006836 Ceased WO2010031586A1 (fr) 2008-09-22 2009-09-22 Procédé pour déformer des objets ainsi qu'objets déformables

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DE (1) DE102008048384A1 (fr)
WO (1) WO2010031586A1 (fr)

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DE102013107105A1 (de) * 2013-07-05 2015-01-08 Deutsches Zentrum für Luft- und Raumfahrt e.V. Faservorformling-Temperiervorrichtung

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DE102012111087B3 (de) * 2012-11-19 2013-10-24 Universität Stuttgart Verfahren und Vorrichtung zur Herstellung von geformten Organoblechen
DE102015108338B4 (de) * 2015-05-27 2017-11-16 Deutsches Zentrum für Luft- und Raumfahrt e.V. Verfahren und Vorrichtung zur Herstellung eines Faserverbundbauteils

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DE867584C (de) * 1950-09-26 1953-02-19 Karl Dr Egen Dem menschlichen Koerper anzupassender, starrer Formkoerper fuer medizinische Zwecke
DE3144781A1 (de) * 1981-11-11 1983-05-19 Jürg-Heinrich Prof. Dr. 4500 Osnabrück Kallweit Verfahren zum herstellen von verformbaren kunststoff-verbundwerkstoffen
EP0498602A2 (fr) * 1991-02-06 1992-08-12 Nippon Zeon Co., Ltd. Procédé pour la fabrication d'un produit composite et mise en oeuvre de ce procédé
US6346210B1 (en) * 1997-02-14 2002-02-12 The Rockport Company, Llc Method of shaping susceptor-based polymeric materials
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US20030062118A1 (en) * 2001-09-25 2003-04-03 Gerhard Jack K. Apparatus and method for induction lamination of electrically conductive fiber reinforced composite materials
US20030173715A1 (en) * 2002-03-13 2003-09-18 Grutta James T. Resistive-heated composite structural members and methods and apparatus for making the same
WO2004085129A1 (fr) * 2003-03-25 2004-10-07 Dupont Canada Inc. Procede et appareil de fabrication de pieces moulees conductrices par chauffage ohmique
US20050236098A1 (en) * 2004-04-26 2005-10-27 Richard Blackmore Engineered resistive heated complex shape molded composite
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* Cited by examiner, † Cited by third party
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DE102013107105A1 (de) * 2013-07-05 2015-01-08 Deutsches Zentrum für Luft- und Raumfahrt e.V. Faservorformling-Temperiervorrichtung
DE102013107105B4 (de) 2013-07-05 2020-07-02 Deutsches Zentrum für Luft- und Raumfahrt e.V. Faservorformling-Temperiervorrichtung

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