WO2009067978A1 - Procédé et dispositif pour le durcissement superficiel d'un élément composite métallique - Google Patents

Procédé et dispositif pour le durcissement superficiel d'un élément composite métallique Download PDF

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Publication number
WO2009067978A1
WO2009067978A1 PCT/DE2008/001863 DE2008001863W WO2009067978A1 WO 2009067978 A1 WO2009067978 A1 WO 2009067978A1 DE 2008001863 W DE2008001863 W DE 2008001863W WO 2009067978 A1 WO2009067978 A1 WO 2009067978A1
Authority
WO
WIPO (PCT)
Prior art keywords
metal
composite component
blasting
solidified
metal composite
Prior art date
Application number
PCT/DE2008/001863
Other languages
German (de)
English (en)
Inventor
Erwin Bayer
Jürgen STEINWANDEL
Original Assignee
Eads Deutschland Gmbh
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 Eads Deutschland Gmbh filed Critical Eads Deutschland Gmbh
Publication of WO2009067978A1 publication Critical patent/WO2009067978A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
    • B24B1/04—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes subjecting the grinding or polishing tools, the abrading or polishing medium or work to vibration, e.g. grinding with ultrasonic frequency
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B39/00—Burnishing machines or devices, i.e. requiring pressure members for compacting the surface zone; Accessories therefor
    • B24B39/006—Peening and tools therefor

Definitions

  • Such metal composite components which are also called inter alia, composite metal composite structures or hybrid components, usually comprise at least one metal part, which is connected for example with a composite material, for example in the form of plastic.
  • plastics are used in various compositions, which are connected in different processes - for example by lamination, gluing or pouring - with the at least one metal part.
  • a special group of metal composite components are those in which a fiber-reinforced plastic is used as the composite. These fiber composites are characterized for example by having a relatively low weight with high stability and rigidity. This is also the reason why the use of such metal composite components in aircraft and / or gas turbines is gaining in importance.
  • a problem of such metal composite components so far is to contact them with other adjacent components in the range of, for example, screw or bolt connections.
  • holes or openings in the metal part and the composite structure are required, in particular in the region of the metal part or the corresponding bore / attachment opening corresponding measures are required to achieve a stable connection of the metal composite component to an adjacent component.
  • a method which is customary today for surface hardening of the metal part of the metal composite component consists in the surface layer hardening or strain hardening by means of thorn-up. In this case, the corresponding attachment opening is widened by work hardening. Apart from the fact that this process is problematic even in the case of pure metallic structures due to insufficient or inhomogeneous solidifications, it leads in particular to damage of the composite material or its composite structure in the treatment of such composite metal hybrids.
  • the damage is such that, for example in carbon fiber reinforced plastics as a composite material local delamination occurs as a result of the breakage of C-Fasem, which in turn may be cause for further damage to the composite material.
  • Such damage can be done, for example, by increased water penetration and concomitant corrosion, which can lead to a total weakening, for example, the connection area of the metal composite component to an adjacent component to the complete failure of the connection.
  • the object of the present invention is therefore to provide a method and a device for surface hardening of a metal composite component of the type mentioned, by means of which a deterioration of the composite material can be significantly reduced.
  • corresponding surface radiation it is therefore possible, for example, to treat a corresponding surface or attachment region of the metal part and thus to induce compressive residual stress which practically does not damage the composite structure.
  • This is particularly advantageous when used as a composite material, for example, a plastic comes, in which the corresponding reinforcement, a fiber material, such as carbon fibers, are used.
  • metal balls in particular steel balls, are used for surface blasting.
  • the surface region of the metal part of a metal-plastic component, in particular with fiber-reinforced plastic is solidified by surface blasting.
  • fiber-reinforced plastics namely have the problem that excessive solidification can lead to a local delamination of the composite material as a result of the breakage of the corresponding fibers.
  • the Komoposit Schemee surrounding the metal part, in particular plastic areas, of the metal composite component are covered before surface blasting.
  • a cover may optionally be avoided excessive loading or damage to the corresponding composite area.
  • This device is characterized in particular by a device which acts on the blasting material, in particular a vibration device, by means of which the surface area of the metal part of the metal composite component to be solidified can be solidified by surface blasting.
  • the blasting material acting device can be designed in various embodiments. In particular, it is conceivable, a stationary
  • Insert device against which the corresponding metal composite component can be positioned Conversely, of course, it is also conceivable to use a mobile device, so as to make a surface hardening on a stationary or stationary metal composite component.
  • the vibration device has a surface which acts on the blasting material, which can be arranged relative to the surface region of the metal part of the metal composite component to be solidified.
  • Such a surface is characterized in particular by the fact that it can be arranged extremely accurately and reproducibly at the respective desired angle to the surface to be acted upon, in turn, to obtain an extremely uniform and reproducible surface hardening.
  • a holding device is provided, by means of which the surface area of the metal part of the metal composite component to be solidified can be arranged relative to the vibration device, in particular to the surface which acts on the abrasive material.
  • the device comprises a blasting chamber, in which the surface area of the metal part of the metal composite component to be solidified is at least partially arrangeable.
  • Solidification device in the form of an ultrasonic sonotrode which a Blasting material in the form of steel balls acting surface comprises, with a blasting chamber, in which the surface to be solidified portion of the metal part of the metal composite component is arranged, and with a holding device, by means of which the surface to be solidified or the composite metal component as a whole is arranged relative to the vibration device.
  • a metal composite component 10 is shown in a schematic sectional view.
  • This metal composite component 10 may be formed, for example, as a component for an aircraft and / or for a gas turbine.
  • the metal composite component comprises a metal part 12, which has a passage opening 13.
  • the metal part 12 is connected to a composite material in the form of a plastic 16 and thus forms the hybrid component desired here.
  • the connection of the plastic 16 with the metal part 12 can be done in different ways. For example, it is conceivable to laminate the metal part 12 correspondingly into the plastic 16 or to glue the metal part 12 to the plastic 16. Pouring or injecting the metal part 12 into the plastic 16 is also conceivable. It is clear to the person skilled in the art that this metal composite component 10 is produced in a very wide variety of ways. It should be noted in particular that the plastic 16 in the present case not further recognizable fibers, such as carbon fibers, in order to obtain thereby more favorable material properties. Of course, the fibers can be both disordered and arranged within the plastic 16. Likewise, the fibers can be configured as individual pieces or as a woven fabric, knitted fabric, dressing or the like.
  • the metal part 12 is understood here merely symbolically. It is clear that this can be embodied in all possible forms.
  • the metal part 12 comprises a surface area 18 which is to be processed by the surface hardening accordingly.
  • a part of this surface area 18 also forms the inner side 20 of the metal part 12 delimiting the passage opening 14.
  • the metal-part composite component 10 is processed by means of a surface hardening device.
  • the device comprises a hardening device 22, which comprises a device which acts on the blasting material in the form of a vibration device 24.
  • an ultrasonic sonotrode is provided as the vibration device 24, which comprises a correspondingly acceleratable surface 26 facing the surface region 18 of the metal part 12.
  • This surface 26 can be correspondingly vibrated to thereby accelerate the blasting material in the form of metal balls, in particular steel balls 28.
  • another blasting material could be used.
  • the surface 26 of the vibration device 24 can be positioned relative to the metal composite component 10 or the metal part 12 by means of a holding device 30, which in the present case is only shown extremely schematically.
  • the metal composite component 10 is arranged relative to the device for surface hardening.
  • the solidification device 22 transportable-for example as a hand-held device.
  • a blasting chamber 32 can be seen from the figure, which houses the vibration device 24 or in which the surface area 18 of the metal part 12 of the metal composite component 10 to be hardened is at least partially arrangeable. In the present case, this surface area 18 is arranged completely within the blasting chamber 32. It can be seen from the figure that the walls 34 of the blasting chamber 32 are provided with corresponding sealing elements 36 in order to prevent unwanted escape of grit or steel balls 28 from the blasting chamber 32 avoid. As a result, a constant amount of steel balls 28 can be stored within the blasting chamber 32 in a simple manner in order to achieve a uniform and reproducible solidification result of the surface area 18 to be solidified. In this context, it would of course also conceivable to provide a measuring device and a Nachdosier adopted in the blasting chamber 32 in order to compensate for a loss of material from blasting material or steel balls 28 can.
  • the metal composite component 10 or the metal part 12 is positioned by means of the holding device 30 opposite or relative to the fastening device 22 or vibration device 24. After a safe and reliable positioning has taken place, the vibration device 24 or its surface 26 can subsequently be set into corresponding oscillations in order to accelerate through the steel balls 28 and act on the surface area 18 of the metal part 12 to be solidified.
  • Composite regions 38 of the fiber-reinforced plastic are not damaged. Although in the present area these composite regions 38 are also acted upon by the steel balls 28. However, as a result of the substantially lower pressure load, the composite regions 38 are damaged in such a way that this would result in local delamination as a result of breakage of the fibers, for example. Rather, the corresponding surface area 18 of the metal part 12 is solidified extremely favorably, without the corresponding composite areas 38 being damaged.
  • metal part 12 of the metal composite component 10 can be achieved so that it can be connected in a particularly favorable and reliable manner with a connection component via the passage opening 14. It will be understood that the metal composite components 10 are not limited to application to aircraft and / or gas turbines. Likewise, it would also be conceivable to use these components in other technological fields.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

L'invention concerne un procédé pour le durcissement superficiel d'un élément composite métallique (10) selon lequel une zone de surface (18) d'une partie métallique (12) de l'élément composite métallique (10) est consolidée. Le procédé selon l'invention comprend les étapes suivantes : positionnement l'un par rapport à l'autre de la zone de surface à consolider (18) de la partie métallique (12) de l'élément composite métallique (10) et d'un dispositif de durcissement (22) sollicitant de la grenaille (28), en particulier d'un dispositif vibratoire (24), et grenaillage de surface de la zone de surface à consolider (18) de la partie métallique (12) de l'élément composite métallique (10). L'invention concerne également un dispositif pour le durcissement superficiel d'un tel élément composite métallique (10).
PCT/DE2008/001863 2007-11-26 2008-11-12 Procédé et dispositif pour le durcissement superficiel d'un élément composite métallique WO2009067978A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007056892.6 2007-11-26
DE102007056892.6A DE102007056892B4 (de) 2007-11-26 2007-11-26 Oberflächenverfestigungsverfahren eines Metall-Komposit-Bauteils

Publications (1)

Publication Number Publication Date
WO2009067978A1 true WO2009067978A1 (fr) 2009-06-04

Family

ID=40343451

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2008/001863 WO2009067978A1 (fr) 2007-11-26 2008-11-12 Procédé et dispositif pour le durcissement superficiel d'un élément composite métallique

Country Status (2)

Country Link
DE (1) DE102007056892B4 (fr)
WO (1) WO2009067978A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3061055A1 (fr) * 2016-12-26 2018-06-29 Safran Aircraft Engines Dispositif pour le traitement d'une piece metallique, procede et ensemble de projectiles associes

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1199476A (ja) * 1997-09-26 1999-04-13 Taiheiyo Cement Corp 金属−セラミックス複合材料の加工方法
EP1207014A1 (fr) * 2000-11-16 2002-05-22 Snecma Moteurs Procédé et installation de grenaillage par ultrasons des alvéoles annulaires d'attache des aubes sur un rotor
EP1621288A2 (fr) * 2004-07-30 2006-02-01 Sonats - Société des Nouvelles Applications des Techniques de Surfaces Projectiles, dispositifs et installations de grenaillage par ultrasons et pièces ainsi traitées

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4018877A1 (de) * 1990-06-13 1991-12-19 Grimberg Hans Edelstahl Verfahren zur behandlung von beschlaegen, rohren, blechen, griffen, platten, nassraumeinrichtungen oder aehnlichen gegenstaenden, die mit wasser in beruehrung kommen und/oder als griffflaeche dienen, aus rostfreiem edelstahl

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1199476A (ja) * 1997-09-26 1999-04-13 Taiheiyo Cement Corp 金属−セラミックス複合材料の加工方法
EP1207014A1 (fr) * 2000-11-16 2002-05-22 Snecma Moteurs Procédé et installation de grenaillage par ultrasons des alvéoles annulaires d'attache des aubes sur un rotor
EP1621288A2 (fr) * 2004-07-30 2006-02-01 Sonats - Société des Nouvelles Applications des Techniques de Surfaces Projectiles, dispositifs et installations de grenaillage par ultrasons et pièces ainsi traitées

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3061055A1 (fr) * 2016-12-26 2018-06-29 Safran Aircraft Engines Dispositif pour le traitement d'une piece metallique, procede et ensemble de projectiles associes
WO2018122523A1 (fr) * 2016-12-26 2018-07-05 Safran Aircraft Engines Dispositif et procédé pour le traitement d'une piece metallique
CN110177651A (zh) * 2016-12-26 2019-08-27 赛峰航空器发动机 用于处理金属部件的装置和方法
CN110177651B (zh) * 2016-12-26 2022-02-18 赛峰航空器发动机 用于处理金属部件的装置和方法

Also Published As

Publication number Publication date
DE102007056892A1 (de) 2009-05-28
DE102007056892B4 (de) 2016-09-29

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