WO2019138660A1 - Panneau sandwich en nid d'abeilles et son procédé de production - Google Patents

Panneau sandwich en nid d'abeilles et son procédé de production Download PDF

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Publication number
WO2019138660A1
WO2019138660A1 PCT/JP2018/040230 JP2018040230W WO2019138660A1 WO 2019138660 A1 WO2019138660 A1 WO 2019138660A1 JP 2018040230 W JP2018040230 W JP 2018040230W WO 2019138660 A1 WO2019138660 A1 WO 2019138660A1
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WO
WIPO (PCT)
Prior art keywords
optical fiber
sandwich panel
insert member
skin
honeycomb
Prior art date
Application number
PCT/JP2018/040230
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English (en)
Japanese (ja)
Inventor
雅大 宮下
一史 関根
和規 高垣
壮平 鮫島
Original Assignee
三菱電機株式会社
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 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to JP2019500896A priority Critical patent/JP6519721B1/ja
Publication of WO2019138660A1 publication Critical patent/WO2019138660A1/fr

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    • 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
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
    • B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
    • 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
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/10—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
    • B32B3/12—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material characterised by a layer of regularly- arranged cells, e.g. a honeycomb structure
    • 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
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/30—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02—Optical fibres with cladding with or without a coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
    • B64G1/00—Cosmonautic vehicles
    • B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles

Definitions

  • the present invention relates to a honeycomb sandwich panel used for a structural member of a satellite, and a method of manufacturing the same.
  • a honeycomb sandwich panel is known as a member used for a structural member of a satellite.
  • the honeycomb sandwich panel is composed of a honeycomb core formed of aluminum or the like and a skin material formed of fiber reinforced plastic or the like disposed on both sides of the honeycomb core.
  • the honeycomb sandwich panel configured in this manner has characteristics of light weight and high rigidity.
  • An insert member is embedded in the honeycomb sandwich panel in order to attach an electric device etc. to a honeycomb sandwich panel or to fasten the honeycomb sandwich panels to each other.
  • the insert member is provided with a screw hole or the like for attaching an electric device.
  • a void not filled with the resin may occur between the resin and the honeycomb core.
  • a filling failure the adhesive strength between the completed honeycomb sandwich panel and the insert member decreases, and the attachment strength of the electric device attached via the insert member And in the worst case, the insert member may fall off.
  • the present invention has been made to solve the above-mentioned problems, and in the step of filling a resin into the hole into which the insert member is inserted, it is possible to detect a filling defect occurring inside the hole,
  • An object of the present invention is to obtain a honeycomb sandwich panel provided with a highly adhesive insert member.
  • a honeycomb sandwich panel In the honeycomb sandwich panel according to the present invention, a honeycomb core, a first skin closely attached to one surface of the honeycomb core, a second skin closely attached to the other surface of the honeycomb core, and a first skin An insert member disposed so as to expose a portion on the first skin side in a region where a portion of the honeycomb core and a portion of the honeycomb core are removed, an optical fiber disposed in the region, and a filler filled in the region And an agent.
  • a part of the first skin and a part of the honeycomb core are provided to the honeycomb sandwich panel provided with the first skin and the second skin on both sides of the honeycomb core. Removing the fiber, inserting the optical fiber and the insert member into the region where the first skin and the honeycomb core are removed, and using the wavelength characteristic of the backscattering of the optical fiber to determine the temperature distribution of the optical fiber And filling the area with resin while measuring.
  • the optical fiber in the region where the insert member is inserted, it is possible to detect a filling defect occurring inside the hole in the step of filling the region with the filler, so the insert member with high adhesive strength. Can be obtained.
  • FIG. 1 is a schematic view showing a method of manufacturing a honeycomb sandwich panel according to Embodiment 1 for carrying out the present invention.
  • FIGS. 1 (a) to 1 (e) show each step in a method of manufacturing a honeycomb sandwich panel.
  • a honeycomb sandwich panel material 4 provided with a first skin 2 and a second skin 3 closely arranged on both sides of a honeycomb core 1 made of aluminum or the like is prepared.
  • the honeycomb core 1 has a structure in which hollow structures whose cross sections are hexagonal due to thin walls are arranged without gaps. This thin wall is made of, for example, aluminum.
  • the plate-shaped composite material which impregnated and hardened the epoxy resin etc. in the continuous fiber of carbon fiber, for example can be used.
  • an opening 5 is provided by machining in a part of the first skin 2 and a part of the honeycomb sandwich panel material 4.
  • a partition plate 6 is disposed in order to prevent the filler from intruding into an unnecessary portion.
  • the partition plate 6 can be made of, for example, the same material as that of the honeycomb core 1.
  • the partition plate 6 needs to have a diameter larger than the opening diameter of the first skin 2, for example, a plurality of plate members smaller than the opening diameter may be used as the partition plate.
  • the insert member 8 is made of, for example, a metal such as aluminum.
  • the insert member 8 is provided with a disk-like end and a cylindrical pillar connecting the two, and an internal thread is cut so that the end from the first skin 2 side reaches the pillar.
  • illustration of the internal thread of the insert member 8 is omitted. This female screw is used to attach an electrical device or the like to a honeycomb sandwich panel.
  • a hole for injecting the filler into the opening 5 and a hole for releasing air at the time of injection are opened.
  • the optical fiber 7 is wound around the column of the insert member 8 through a hole for letting air out during injection.
  • the optical fiber 7 is spiraled in the opening 5 by releasing the winding of the optical fiber 7. To be spread out.
  • the outer surface of the end portion on the first skin 2 side of the insert member 8 is arranged to be substantially flat with the outer surface of the first skin 2.
  • the liquid filler 9 is injected through the hole formed in the insert member 8, and the filler 9 is injected.
  • Heat cure for example, a resin having excellent dimensional stability after curing, such as a thermosetting epoxy resin can be used.
  • FIG. 2 is a schematic view of a honeycomb sandwich panel 10 showing the present embodiment.
  • 2 (a) is a schematic cross-sectional view of the honeycomb sandwich panel 10
  • FIG. 2 (b) is a schematic top view of the honeycomb sandwich panel 10.
  • the insert member 8 is inserted into the honeycomb sandwich panel 10, and the insert member 8 is firmly fixed to the honeycomb core 1 and the first skin 2 by the filler 9.
  • the insert member 8 is used to attach an electrical device or the like to the honeycomb sandwich panel 10 or to fasten the honeycomb sandwich panels to one another. Even if a force in the out-of-plane direction is applied to the insert member 8, the force is dispersed in the first skin 2 and the honeycomb core 1 of the sandwich panel 10 through the filler 9, so that the insert member 8 does not easily come off It has become.
  • FIG. 3 is a schematic view showing the configuration of the optical fiber used in the present embodiment.
  • the optical fiber 7 used in the present embodiment has a core 11, a clad 12 that covers the outer periphery of the core 11, and a covering material 13 that covers the outer periphery of the clad 12.
  • the core 11 is made of quartz glass having an outer diameter of about 10 ⁇ m.
  • the cladding 12 is made of quartz glass or the like having a refractive index larger than that of the core 11 and has an outer diameter of about 125 ⁇ m.
  • the covering material 13 is made of an acrylate resin, a polyimide resin, or the like, and its outer diameter is about 250 ⁇ m.
  • the light propagating inside the optical fiber 7 propagates inside the core 11.
  • the loss of light propagating inside an optical fiber can be roughly divided into absorption loss and scattering loss.
  • the scattering loss is a loss due to the generation of a component of light traveling in a direction other than the incident direction, in addition to the component propagating in the incident direction, of the light incident on the optical fiber.
  • the scattered light the one scattered in the direction opposite to the propagation direction is called backscattered light.
  • FIG. 4 is a characteristic diagram showing wavelength characteristics of backscattered light in an optical fiber.
  • the horizontal axis is the wavelength of light
  • the vertical axis is the light intensity.
  • the backscattered light has five major peaks. As shown in FIG. 3, these five peaks are referred to as P1, P2, P3, P4 and P5 from the low and short sides of the wavelength.
  • the peak P3 with the highest intensity is called Rayleigh scattered light and is light scattered backward at the same wavelength as the incident light.
  • the Rayleigh scattered light changes the intensity of the scattered light according to the fluctuation of the loss of the optical fiber where the scattering occurs.
  • Peaks P2 and P4 on either side of peak P3 are called Brillouin scattered light.
  • the wavelength of this Brillouin scattered light changes with distortion or temperature change in the place where the scattering occurs.
  • the peaks P1 and P5 outside the peaks P2 and P4 of Brillouin scattered light are referred to as Raman scattered light.
  • the Raman scattered light includes Stokes light (peak P5) whose wavelength is longer than that of incident light and anti-Stokes light (peak P1) whose wavelength is shorter than that of incident light. Along with this, the intensity of the scattered light changes.
  • FIG. 5 is a schematic view of a measurement system for monitoring the filling state of the filler 9 using the optical fiber 7 to prevent a filling failure in the present embodiment.
  • FIG. 5 corresponds to the filler injection step of FIG. 1 (e).
  • one end of the optical fiber 7 is inserted into the hole 5 together with the insert member 8.
  • an optical measurement instrument 15 and a control device 16 are connected.
  • the light measuring instrument 15 includes a light source for emitting light of a single wavelength such as a semiconductor laser, and this light of the single wavelength is made to enter the optical fiber 7.
  • the optical measuring instrument 15 can measure the wavelength characteristics of the backscattered light from the optical fiber 7 as shown in FIG. 4.
  • the control device 16 calculates the intensity change of the above-mentioned Rayleigh scattered light, the wavelength change of the Brillouin scattered light, and the intensity change of the Raman scattered light from the wavelength characteristics of the backscattered light measured by the light measuring instrument 15, and Temperature distribution, strain distribution, etc.
  • FIG. 6 is a schematic view for explaining the case where a filling failure occurs in the filler injection step shown in FIG. 1 (e).
  • a liquid filler set at 40 ° C. is injected, a portion where the filler 9 is not injected into the hole 5, that is, a void 20 is generated.
  • the temperature of the optical fiber 7 in the region where the filler 9 is injected is constant at about 40 ° C., but the temperature of the optical fiber 7 in the region of the air gap 20 is lower.
  • FIG. 7 is a characteristic diagram showing the temperature distribution of the optical fiber when the filling failure occurs.
  • the horizontal axis is the position of the optical fiber (for example, the distance from the light measuring instrument), and the horizontal axis is the temperature calculated from the wavelength characteristic of the backscattered light.
  • the temperature of the position of the optical fiber in the region of the air gap 20 is low.
  • the filler injection step it is possible to detect a filling failure.
  • the filling failure can be detected, it is possible to take measures to eliminate the filling failure appropriately, such as increasing the filling pressure of the filler, and recharging.
  • the filling agent is injected without the optical fiber, it is necessary to visually confirm the filling state of the inside of the hole 5.
  • the void portion 20, which is a defective filling portion is open at the top, the defective filling may sometimes be confirmed from a hole for injection or the like, but as shown in FIG. If it is not clear unless the filler is clear.
  • the disk-shaped end of the insert member 8 is generally configured to substantially cover the opening 5 in order to ensure strength, even if the filler is transparent, the filling defect is actually confirmed. It is difficult.
  • the hole portion to be filled be as small as possible. Therefore, the opening needs to be made as small as possible with respect to the insert member, and there is almost no visible range intercepted by the insert member and the first skin.
  • the optical fiber in the opening into which the insert member is inserted, it is possible to detect a filling defect occurring in the inside of the opening, and the adhesion is high.
  • a honeycomb sandwich panel provided with an insert member can be obtained.
  • a resin which is excellent in dimensional stability after curing such as a thermosetting epoxy resin, is used as the filler, but it is a material which is excellent in dimensional stability and can fix the insert member, Materials other than resin may be used.
  • the insert member is described as being made of metal such as iron, but it may be made of other materials, such as a composite material.
  • the insert member 8 was demonstrated as what was provided with the disk-shaped edge part and the cylindrical pillar part which connects them, a structure other than that may be sufficient.
  • the insert member is provided with a hole for injecting the filler into the hole, the hole is not necessarily required, and the filler may be injected into the hole through another route.
  • the partition plate 6 is disposed at the bottom of the opening 5 in order to prevent the filler from intruding into an unnecessary portion.
  • this partition plate 6 was used in order not to inject a filler into the unnecessary part for weight reduction, it is not necessarily required.
  • the filler is injected until the second skin is reached, but when the force in the out-plane direction is applied to the insert member, the force is applied via the filler to the first of the sandwich panel. Since the second skin is dispersed not only in the skin and the honeycomb core, the insert member is more difficult to come off.
  • Second Embodiment A honeycomb sandwich panel and a method of manufacturing the same according to Embodiment 2 for carrying out the present invention are the same as those of Embodiment 1, but optical fibers are different.
  • FIG. 8 is a schematic view showing the configuration of the optical fiber 7 used in the present embodiment.
  • the basic configuration of the optical fiber 7 of the present embodiment is the same as the optical fiber described in FIG. 3 of the first embodiment, but a diffraction grating 30 is formed in the core 11.
  • the diffraction grating 30 is called FBG (Fiber Bragg Grating), and a region where the refractive index of the core 11 changes periodically becomes the diffraction grating 30.
  • the wavelength of light reflected by the diffraction grating 30 is determined by the period of the refractive index change of the diffraction grating.
  • the diffraction gratings 30 are respectively formed at a plurality of positions of the optical fiber.
  • the period of the refractive index change of the diffraction grating formed at each of the plurality of positions differs depending on the position.
  • the optical fiber configured as described above by detecting the wavelength of the light reflected from the diffraction grating 30, it can be accurately determined from which position of the optical fiber the reflected light is reflected.
  • the reflection position of the optical fiber can be measured with high accuracy. As a result, the position of the filling failure can be detected more accurately.
  • the opening 5 is provided by machining in a part of the first skin 2 and a part of the honeycomb sandwich panel material 4.
  • the injection amount of the filler changes depending on the position of the opening portion.
  • the filling amount of the filler may change depending on the position of the opening, which may lead to a filling failure.
  • the winding of the optical fiber 7 is released, but the optical fiber 7 is opened up to the hollow structure portion of the honeycomb core communicating with the opening.
  • the fiber 7 may not spread. Therefore, the range in which the filling failure is detected may be narrower than the region where the filler is injected.
  • a method will be described in which a filler is injected in advance and solidified in a hollow structure portion communicated with the opening portion before the insert member is inserted into the opening portion.
  • FIG. 9 is a schematic view for explaining a process before inserting the insert member into the hole in the present embodiment.
  • FIG. 9 (a) is a top view of the honeycomb sandwich panel material 4 before the insert member is inserted into the hole.
  • a filler 9 such as a thermosetting resin and solidified.
  • FIG. 9B the insert member 8 around which the optical fiber 7 is wound is inserted into the hole 5 as in the first embodiment.
  • the honeycomb sandwich panel is manufactured in the same steps as in the first embodiment.
  • the insert member When the hollow portion of the honeycomb core 1 communicating with the opening portion 5 is filled with the filler 9 such as thermosetting resin and solidified, the insert member is not inserted, so that the filler filling failure of the portion is simplified Can be prevented.
  • the filler 9 such as thermosetting resin and solidified
  • the filler is injected in advance to solidify the hollow structure portion of the honeycomb core communicating with the opening other than the area where the optical fiber spreads, so that the filling failure It can prevent more effectively.
  • the winding of the optical fiber 7 is released to allow the light in the opening 5 to be opened.
  • the fiber 7 is arranged to be spread in a longitudinal spiral.
  • the optical fiber 7 is developed in a spiral shape in the lateral direction in the opening 5.
  • FIG. 10 is a schematic view showing a cross section of a honeycomb sandwich panel 10 of the present embodiment.
  • FIG. 10 shows that in the method of manufacturing a honeycomb sandwich panel described in the first embodiment, the winding of the optical fiber 7 is released after the insert member 8 shown in FIG. It corresponds to the state.
  • the optical fiber 7 is deployed in a spiral shape in the lateral direction inside the opening 5.
  • the optical fiber 7 By arranging the optical fiber 7 in this manner, it is possible to arrange the optical fiber at a position where filling defects easily occur.
  • the optical fiber can be disposed up to the hollow structure portion of the honeycomb core communicating with the opening portion described in the third embodiment, the filling failure can be more effectively prevented.
  • the optical fiber does not necessarily have to be in a spiral shape.
  • the number of optical fibers inserted into the opening is one, the plural optical fibers may be inserted.
  • Embodiment 5 In the first embodiment, the configuration of the honeycomb sandwich panel in which the insert member is provided at one position is shown. However, in practice, the insert member is often provided at a plurality of positions. In the fifth embodiment, the configuration of a honeycomb sandwich panel in which insert members are provided at a plurality of positions will be described.
  • FIG. 11 is a schematic view of a honeycomb sandwich panel 10 showing the present embodiment.
  • FIG. 11 shows the method for manufacturing a honeycomb sandwich panel described in the first embodiment, in which after inserting the insert member 8 shown in FIG. 1 (d) into the opening 5, the winding of the optical fiber 7 is released. It corresponds to the state.
  • the optical fibers 7 are deployed in a spiral shape and disposed inside the openings 5 respectively corresponding to the plurality of insert members 8. These optical fibers 7 are formed of a single optical fiber through a hole provided at the end portion on the first skin 2 side of the insert member 8.
  • honeycomb sandwich panel configured as described above, it is possible to detect a filling defect occurring inside the openings at a plurality of positions with one optical fiber, and it is possible to obtain a honeycomb sandwich panel having an insert member with high adhesive strength. You can get it.
  • positioned by the hole part of several positions through the hole provided in the insert member is comprised by one, as shown in FIG. 11, the hole which lets an optical fiber pass inside a honeycomb core You may provide.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Laminated Bodies (AREA)

Abstract

L'invention concerne un panneau sandwich en nid d'abeilles, qui est pourvu : d'un noyau en nid d'abeilles (1) ; d'un premier matériau de surface (2) disposé sur une surface du noyau en nid d'abeilles (1) de façon à être en contact étroit avec ce dernier ; d'un second matériau de surface (3) disposé sur l'autre surface du noyau en nid d'abeilles (1) de façon à être en contact étroit avec ce dernier ; d'un élément rapporté (8) disposé dans une région de laquelle ont été retirées une partie du premier matériau de surface (2) et une partie du noyau en nid d'abeilles (1), l'élément rapporté (8) étant disposé de sorte qu'une partie de l'élément rapporté (8) soit exposée sur le côté du premier matériau de surface ; d'une fibre optique (7) disposée dans la région ; et d'une charge (9) chargée dans la région. Selon la présente invention, à l'étape de remplissage d'une résine dans un trou dans lequel a été inséré l'élément rapporté, un défaut de remplissage se produisant à l'intérieur de l'ouverture peut être détecté, et, par conséquent, le panneau sandwich en nid d'abeilles pourvu de l'élément rapporté présentant une force de liaison élevée peut être obtenu.
PCT/JP2018/040230 2018-01-15 2018-10-30 Panneau sandwich en nid d'abeilles et son procédé de production WO2019138660A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2019500896A JP6519721B1 (ja) 2018-01-15 2018-10-30 ハニカムサンドイッチパネルおよびその製造方法

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Application Number Priority Date Filing Date Title
JP2018-004174 2018-01-15
JP2018004174 2018-01-15

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WO2019138660A1 true WO2019138660A1 (fr) 2019-07-18

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3915884A1 (fr) * 2020-05-28 2021-12-01 Thales Distribution de puissance electrique integree a un panneau structural de satellite
CN115352101A (zh) * 2022-07-20 2022-11-18 成都飞机工业（集团）有限责任公司 一种带有灌封胶的蜂窝夹芯零件成型方法
US11732738B1 (en) 2022-04-28 2023-08-22 Honeywell International Inc. Potted-in inserts comprising a lattice structure, method of securing objects to sandwich panels therewith, and methods for producing the same

Citations (8)

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Publication number Priority date Publication date Assignee Title
US5299271A (en) * 1993-02-26 1994-03-29 The United States Of America As Represented By The Secretary Of The Air Force System and method of embedding optical fibers in honeycomb panels
JPH11348155A (ja) * 1998-06-02 1999-12-21 Fuji Heavy Ind Ltd ハニカムサンドイッチパネルへのインサート取付方法
JP2000136962A (ja) * 1998-11-02 2000-05-16 Agency Of Ind Science & Technol 光ファイバープローブによる気泡計測方法及び装置
JP2001004440A (ja) * 1999-06-18 2001-01-12 Nippon Telegr & Teleph Corp <Ntt> 光ファイバセンサ埋込板、光ファイバセンサ埋込型複合材料およびその製造方法
JP2011022029A (ja) * 2009-07-16 2011-02-03 Tobishima Corp コンクリート構造物の歪み検出装置
JP2013156200A (ja) * 2012-01-31 2013-08-15 Mitsubishi Electric Corp 光ファイバセンサを備えたハニカムサンドイッチ構造体およびその製造方法
WO2014199532A1 (fr) * 2013-06-10 2014-12-18 三菱電機株式会社 Structure sandwich en nid d'abeilles et procédé de production de structure sandwich en nid d'abeilles
JP2016013667A (ja) * 2014-07-03 2016-01-28 三菱電機株式会社 ハニカムサンドイッチ構造体およびその製造方法

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5299271A (en) * 1993-02-26 1994-03-29 The United States Of America As Represented By The Secretary Of The Air Force System and method of embedding optical fibers in honeycomb panels
JPH11348155A (ja) * 1998-06-02 1999-12-21 Fuji Heavy Ind Ltd ハニカムサンドイッチパネルへのインサート取付方法
JP2000136962A (ja) * 1998-11-02 2000-05-16 Agency Of Ind Science & Technol 光ファイバープローブによる気泡計測方法及び装置
JP2001004440A (ja) * 1999-06-18 2001-01-12 Nippon Telegr & Teleph Corp <Ntt> 光ファイバセンサ埋込板、光ファイバセンサ埋込型複合材料およびその製造方法
JP2011022029A (ja) * 2009-07-16 2011-02-03 Tobishima Corp コンクリート構造物の歪み検出装置
JP2013156200A (ja) * 2012-01-31 2013-08-15 Mitsubishi Electric Corp 光ファイバセンサを備えたハニカムサンドイッチ構造体およびその製造方法
WO2014199532A1 (fr) * 2013-06-10 2014-12-18 三菱電機株式会社 Structure sandwich en nid d'abeilles et procédé de production de structure sandwich en nid d'abeilles
JP2016013667A (ja) * 2014-07-03 2016-01-28 三菱電機株式会社 ハニカムサンドイッチ構造体およびその製造方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3915884A1 (fr) * 2020-05-28 2021-12-01 Thales Distribution de puissance electrique integree a un panneau structural de satellite
US11732738B1 (en) 2022-04-28 2023-08-22 Honeywell International Inc. Potted-in inserts comprising a lattice structure, method of securing objects to sandwich panels therewith, and methods for producing the same
CN115352101A (zh) * 2022-07-20 2022-11-18 成都飞机工业（集团）有限责任公司 一种带有灌封胶的蜂窝夹芯零件成型方法

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