JPH0717035B2 - Honeycomb sandwich plate and method for manufacturing the same - Google Patents
Honeycomb sandwich plate and method for manufacturing the sameInfo
- Publication number
- JPH0717035B2 JPH0717035B2 JP30663790A JP30663790A JPH0717035B2 JP H0717035 B2 JPH0717035 B2 JP H0717035B2 JP 30663790 A JP30663790 A JP 30663790A JP 30663790 A JP30663790 A JP 30663790A JP H0717035 B2 JPH0717035 B2 JP H0717035B2
- Authority
- JP
- Japan
- Prior art keywords
- honeycomb core
- skin material
- aluminum honeycomb
- sandwich plate
- skin
- 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.)
- Expired - Lifetime
Links
Landscapes
- Laminated Bodies (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 この発明はハニカムサンドイッチ板およびその製造方法
に関するものである。The present invention relates to a honeycomb sandwich plate and a method for manufacturing the same.
第4図は従来例のハニカムサンドイッチ板を示す断面図
である。第4図において、11a,11bはそれぞれ連続炭素
繊維強化プラスチックスキン、12はアルミハニカムコ
ア、13は接着剤である。FIG. 4 is a sectional view showing a conventional honeycomb sandwich plate. In FIG. 4, 11a and 11b are continuous carbon fiber reinforced plastic skins, 12 is an aluminum honeycomb core, and 13 is an adhesive.
次にこの従来例の製造方法を第4図を用いて説明する。Next, the manufacturing method of this conventional example will be described with reference to FIG.
第4図において、先ず、スキン11a,11bはそれぞれ連続
炭素繊維強化のクロスにエポキシ樹脂を含浸させた後、
加圧,加熱して熱硬化し、極薄スキンを製造し、そし
て、アルミハニカムコア12の上下に接着剤13を塗布し、
加圧,加熱して接着しハニカムサンドイッチを製造して
いた。In FIG. 4, first, the skins 11a and 11b are made by impregnating continuous carbon fiber reinforced cloth with epoxy resin,
Pressurize and heat to heat cure to produce an ultra-thin skin, and apply adhesive 13 on the top and bottom of the aluminum honeycomb core 12,
A honeycomb sandwich was manufactured by applying pressure and heat and adhering.
以上のように、従来例におけるハニカムサンドイッチ板
は人工衛生の構体部や太陽電池パドルに使用される場
合、太陽光による輻射熱、機器類からの熱の発生に対
し、放熱性のよいハニカムサンドイッチが要求されてい
た。前記のような従来のハニカムサンドイッチ板はハニ
カムコアが熱伝導特性のよいアルミニウムであるがスキ
ン材は熱硬化性樹脂をマトリックスとしたスキン材で熱
伝導率が50〜80w/mkと低く、また、耐熱性も100〜150℃
と低くヒートシンク等の熱対策が必要であった。また、
ハニカムサンドイッチ板成形時に、マトリックスとして
樹脂を使うため、スキンの剛性が低く、加熱硬化し、接
着後に、ハニカムコアの熱収縮力によりスキンのたわみ
が発生するという問題点があった。As described above, when the honeycomb sandwich plate in the conventional example is used for an artificial hygiene structure part or a solar cell paddle, a honeycomb sandwich with good heat dissipation is required for radiant heat from sunlight and generation of heat from devices. It had been. In the conventional honeycomb sandwich plate as described above, the honeycomb core is aluminum with good heat conduction characteristics, but the skin material has a low thermal conductivity of 50 to 80 w / mk in a skin material using a thermosetting resin as a matrix, and Heat resistance is 100-150 ℃
Therefore, it was necessary to take heat measures such as a heat sink. Also,
Since the resin is used as a matrix during the formation of the honeycomb sandwich plate, the skin has a low rigidity, and there is a problem that the skin is bent due to the heat shrinkage force of the honeycomb core after heat curing and adhesion.
この発明は、上記のような問題点を解消するためになさ
れたもので、宇宙機器用のハニカムサンドイッチ板とし
て放熱特性,耐熱特性がすぐれ、成形時に熱ひずみのな
い、熱的寸法安定性がすぐれたハニカムサンドイッチ板
を得ることを目的とする。The present invention has been made in order to solve the above problems, and has excellent heat dissipation characteristics and heat resistance characteristics as a honeycomb sandwich plate for space equipment, has no thermal strain during molding, and has excellent thermal dimensional stability. The purpose is to obtain a honeycomb sandwich plate.
また、低融点合金によりニッケルメッキを行ったアルミ
ハニカムコアと炭素繊維強化炭素のスキン剤を溶融接合
させ、機械的強度が大きく、熱伝導が樹脂系の接着より
大きく、接合部で熱伝導率を下げることなく、サンドイ
ッチの高放熱性を向上させるハニカムサンドイッチ板と
その製造方法を得ることを目的とする。Also, the aluminum honeycomb core plated with nickel by a low melting point alloy and the skin agent of carbon fiber reinforced carbon are melt-bonded, and the mechanical strength is high, the heat conduction is greater than the resin-based adhesion, and the thermal conductivity at the joint is higher. An object of the present invention is to obtain a honeycomb sandwich plate and a method for manufacturing the same which can improve the high heat dissipation of the sandwich without lowering.
このため、この発明の請求項1においては、炭素繊維を
基材とし、炭素をマトリックスとして構成した炭素繊維
強化炭素からなるスキン材と、前記スキン材を上下に配
設したアルミハニカムコアと、を有し、かつ前記スキン
材と前記アルミハニカムコアを低融点合金を接着剤とし
て接合し、一体化したハニカムサンドイッチ板により前
記目的を達成しようとするものである。Therefore, in claim 1 of the present invention, a skin material made of carbon fiber reinforced carbon having carbon fiber as a base material and carbon as a matrix, and an aluminum honeycomb core in which the skin material is arranged vertically are provided. It is an object of the present invention to achieve the above-mentioned object by a honeycomb sandwich plate which has the above-mentioned skin material and the above-mentioned aluminum honeycomb core and which is joined by using a low melting point alloy as an adhesive.
また、この発明の請求項2においては、スキン材のアル
ミハニカムコア接合面およびアルミハニカムコアの接合
部面にニッケルメッキを行うニッケルメッキ工程と、ス
キン材とアルミハニカムコア接合部の間に半田箔を配設
する半田箔配設工程と、前記スキン材と前記半田箔およ
び前記アルミハニカムコアをサンドイッチ状に積層し、
加熱・加圧して、半田箔を溶融し、前記スキン材と前記
アルミハニカムコアを接合する接合工程と、から成る請
求項1記載のハニカムサンドイッチ板の製造方法により
前記目的を達成しようとするものである。Further, in claim 2 of the present invention, a nickel plating step of performing nickel plating on the aluminum honeycomb core joint surface of the skin material and the joint portion surface of the aluminum honeycomb core, and a solder foil between the skin material and the aluminum honeycomb core joint portion. A step of arranging a solder foil, laying the skin material, the solder foil and the aluminum honeycomb core in a sandwich form,
The method of manufacturing a honeycomb sandwich plate according to claim 1, further comprising: a bonding step of heating and pressing to melt the solder foil and bonding the skin material and the aluminum honeycomb core. is there.
この発明におけるハニカムサンドイッチ板は、炭素繊維
を基材とし、炭素をマトリックスとして構成した炭素繊
維強化炭素からなるスキン材により、放熱性、耐熱性を
増し、成形時熱ひずみをおこさず熱的寸法を安定にし、
また、スキン材をアルミハニカムコアの上下に配設し、
低融点合金を接着剤で接合し、一体化したことで接合を
均一,強固とし、接合部で熱伝導率を下げず、効果的に
熱電導する。The honeycomb sandwich plate in the present invention has a carbon fiber as a base material, a skin material made of carbon fiber reinforced carbon composed of carbon as a matrix, to increase heat dissipation and heat resistance, and to have a thermal dimension without causing thermal strain during molding. Stabilize and
Also, skin materials are arranged above and below the aluminum honeycomb core,
The low melting point alloy is joined with an adhesive and integrated to make the joint uniform and strong, and the heat conduction is effectively conducted without lowering the thermal conductivity at the joint.
以下、この発明の一実施例を図面に基づいて説明する。 An embodiment of the present invention will be described below with reference to the drawings.
第1図はこの発明の一実施例であるハニカムサンドイッ
チ板の一部切欠き斜視図、第2図はこの実施例の分解側
面図、第3図はこの実施例の製造工程を示す工程図であ
る。FIG. 1 is a partially cutaway perspective view of a honeycomb sandwich plate which is an embodiment of the present invention, FIG. 2 is an exploded side view of this embodiment, and FIG. 3 is a process diagram showing a manufacturing process of this embodiment. is there.
第1図において、1a,1bはそれぞれ基材としての連続炭
素繊維クロス2とマトリックスとしての炭素3からなる
スキン材、4はスキン材を上下に配設したアルミハニカ
ムコア(以下、ハニカムコアという)である。また、第
2図において、5は150〜200℃で溶融する低融点合金で
ある10μm〜500μmの厚みの半田箔、6a,6bはスキンと
ハニカムコアの接合面にメッキされたニッケルメッキで
ある。In FIG. 1, 1a and 1b are skin materials made of continuous carbon fiber cloth 2 as a base material and carbon 3 as a matrix, and 4 is an aluminum honeycomb core in which skin materials are vertically arranged (hereinafter referred to as a honeycomb core). Is. Further, in FIG. 2, 5 is a soldering foil having a thickness of 10 μm to 500 μm which is a low melting point alloy that melts at 150 to 200 ° C., and 6a and 6b are nickel plating plated on the joint surface between the skin and the honeycomb core.
次にこの実施例の製造方法について第3図を中心に第1
図,第2図を用いて説明する。Next, the manufacturing method of this embodiment will be described with reference to FIG.
This will be described with reference to FIGS.
第3図において、20はニッケルメッキ工程であり、スキ
ン材1a,1bはそれぞれのハニカムコア4の接合部面にニ
ッケルメッキを行う工程である。21は半田箔配設工程で
あり、スキン材1a,1bそれぞれとハニカムコア4の接合
部の間に半田箔5を配設する工程である。22は接合工程
であり、スキン材1a,1bそれぞれと半田箔5およびハニ
カムコア4をサンドイッチ状に積層し、加熱,加圧して
半田箔5を溶融し、スキン材1a,1bそれぞれとハニカム
コア4を接合する工程である。In FIG. 3, 20 is a nickel plating step, and the skin materials 1a and 1b are nickel plating steps on the joint surface of each honeycomb core 4. Reference numeral 21 denotes a solder foil arranging step, which is a step of arranging the solder foil 5 between the joint portions of the skin materials 1a and 1b and the honeycomb core 4. Reference numeral 22 denotes a joining step, in which each of the skin materials 1a and 1b and the solder foil 5 and the honeycomb core 4 are laminated in a sandwich shape, and the solder foil 5 is melted by heating and pressurizing the skin materials 1a and 1b and the honeycomb core 4 respectively. Is the step of joining.
以下、この製造方法を詳細に説明する。まず、スキン材
1a,1bの製法を説明する。1000フィラー〜12000フィラー
の連続炭素繊維をクロス(第1図)に織りクロス布を製
造し、次にこのクロスにフェノール樹脂又はエポキシ樹
脂などの熱硬化性樹脂を含浸させ加圧,加熱させ熱硬化
し、プリフォームを製造する。次にこのプリフォームを
1000〜2000℃で焼成し、炭化させ、次に空洞部に炭素を
埋めて焼成し、更にこれをくり返して空洞部がほとんど
なくなるまで炭素を埋めて、黒鉛化し、連続炭素繊維強
化炭素の0.2〜1.0mmの極薄スキンを製造する。Hereinafter, this manufacturing method will be described in detail. First, the skin material
The manufacturing method of 1a and 1b will be described. Woven cloth is manufactured by using a continuous carbon fiber of 1000 fillers to 12000 fillers in a cloth (Fig. 1), and then this cloth is impregnated with a thermosetting resin such as a phenol resin or an epoxy resin. Then, the preform is manufactured. Next, this preform
Firing at 1000-2000 ℃, carbonization, then filling the voids with carbon and firing, and then repeating this to fill the carbon until there are almost no voids, graphitize, 0.2 ~ of continuous carbon fiber reinforced carbon Produce 1.0mm ultrathin skin.
次にスキン材1a,1bおよびハニカムコア4の接合面にニ
ッケルメッキを施し、次に上下のスキン材とハニカムコ
ア接合部の間に半田箔5を配設し、サンドイッチ構成に
積層し、1〜2kg/cmで加圧しつつ、150〜200℃に加熱
し、半田箔5を溶融させスキン材1a,1bとハニカムコア
4を強固に接合する。Next, the joint surfaces of the skin materials 1a and 1b and the honeycomb core 4 are nickel-plated, then the solder foil 5 is arranged between the upper and lower skin materials and the honeycomb core joint portion, and laminated in a sandwich structure. While pressurizing at 2 kg / cm, it is heated to 150 to 200 ° C. to melt the solder foil 5 and firmly bond the skin materials 1a and 1b to the honeycomb core 4.
以上説明したように、この実施例によれば、ハニカムサ
ンドイッチ板は、スキン材を連続炭素繊維強化炭素にす
ることにより、熱電導率が100〜200w/mK良好になり、放
熱特性が向上し、耐熱性も500〜1500℃と向上した。更
に剛性も1000〜2000kg/mm2と向上し、また接着剤として
熱伝導性の良好な半田箔を使ったことでスキンおよびア
ルミハニカムコアとの熱伝導が良好となり、ハニカムサ
ンドイッチ板の放熱特性が向上した。As described above, according to this example, the honeycomb sandwich plate, by using a continuous carbon fiber reinforced carbon skin material, the thermal conductivity is 100 ~ 200w / mK good, heat dissipation characteristics are improved, The heat resistance was also improved to 500-1500 ℃. Furthermore, the rigidity is improved to 1000 to 2000 kg / mm 2, and the use of a solder foil with good thermal conductivity as an adhesive improves heat conduction with the skin and the aluminum honeycomb core, and the heat dissipation characteristics of the honeycomb sandwich plate are improved. Improved.
なお、前記実施例ではハニカムコアをアルミ製とした
が、これはスキンと同様に炭素繊維強化炭素のハニカム
コアとしても良く、両方を同一材質とし、高熱伝導性に
し、かつ接合部に高熱伝導性の低融点金属を配設するこ
とにより、前記実施例と同様に接合部で熱伝導性を下げ
ることなく、サンドイッチ板の放熱性を向上させる。Although the honeycomb core is made of aluminum in the above-mentioned examples, it may be a honeycomb core of carbon fiber reinforced carbon similarly to the skin, both are made of the same material, and have high thermal conductivity, and high thermal conductivity at the joint portion. By disposing the low melting point metal, the heat dissipation property of the sandwich plate is improved without lowering the heat conductivity at the joint portion as in the above embodiment.
また、上記実施例では繊維強化材として連続繊維の炭素
繊維のクロス材を使用したが、一方向繊維を配設しても
よく、短繊維を使用しても又、それらを組合せても前記
従来例と同様の効果が得られる。Further, although the carbon fiber cloth material of continuous fibers is used as the fiber reinforcing material in the above-mentioned embodiment, unidirectional fibers may be arranged, short fibers may be used, or a combination thereof may be used. The same effect as the example is obtained.
スキン1a,1bを熱伝導率が70〜200w/mK,耐熱性も500〜15
00℃,更に剛性が10000〜20000kg/mm2と向上させること
が出来るので宇宙機器用のハニカムサンドイッチ板とし
て放熱特性,耐熱特性がすぐれ成形時に熱ひずみのな
い、熱的寸法安定性のすぐれたハニカムサンドイッチ板
が得られ、又、低融点合金によりニッケルメッキをした
アルミハニカムコアと炭素繊維強化炭素のスキン板を溶
融接合させているので機械的強度が大きく、熱伝導が、
樹脂系の接着より大きく、接合部で熱伝導性を下げるこ
となく、高放熱性を有するハニカムサンドイッチおよび
その製造方法が得られる。Skins 1a and 1b have a thermal conductivity of 70-200w / mK and heat resistance of 500-15
As the honeycomb sandwich plate for space equipment can be improved at 00 ℃, and the rigidity can be further improved to 10000 to 20000 kg / mm 2 , the honeycomb with excellent heat radiation characteristics and heat resistance, no thermal strain during molding, and excellent thermal dimensional stability A sandwich plate is obtained, and since the aluminum honeycomb core plated with nickel by a low melting point alloy and the skin plate of carbon fiber reinforced carbon are melt-bonded, the mechanical strength is large and the heat conduction is
It is possible to obtain a honeycomb sandwich having a high heat dissipation property, which is larger than resin-based adhesion and does not lower thermal conductivity at the joint portion, and a manufacturing method thereof.
第1図は、この発明の一実施例であるハニカムサンドイ
ッチ板の一部切欠き斜視図、第2図はこの実施例の分解
側面図、第3図はこの実施例の製造工程を示す工程図、
第4図は、従来例のハニカムサンドイッチ板を示す断面
図である。 1a,1b……スキン材 2……連続炭素繊維クロス 3……炭素 4……アルミハニカムコア 5……半田箔 6a,6b……ニッケルメッキ 20……ニッケルメッキ工程 21……半田箔配設工程 22……接合工程 なお、図中同一符号は同一又は相当部分を示す。FIG. 1 is a partially cutaway perspective view of a honeycomb sandwich plate which is an embodiment of the present invention, FIG. 2 is an exploded side view of this embodiment, and FIG. 3 is a process diagram showing a manufacturing process of this embodiment. ,
FIG. 4 is a sectional view showing a conventional honeycomb sandwich plate. 1a, 1b …… Skin material 2 …… Continuous carbon fiber cloth 3 …… Carbon 4 …… Aluminum honeycomb core 5 …… Solder foil 6a, 6b …… Nickel plating 20 …… Nickel plating process 21 …… Solder foil placement process 22 ... Joining process In the drawings, the same reference numerals indicate the same or corresponding parts.
Claims (2)
として構成した炭素繊維強化炭素からなるスキン材と、 前記スキン材を上下に配設したアルミハニカムコアと、 を有し、かつ前記スキン材と前記アルミハニカムコアを
低融点合金を接着剤として接合し、一体化したことを特
徴とするハニカムサンドイッチ板。1. A skin material comprising a carbon fiber-reinforced carbon having a carbon fiber as a base material and carbon as a matrix, and an aluminum honeycomb core in which the skin material is disposed above and below the skin material. And a honeycomb sandwich plate, characterized in that the aluminum honeycomb core and the aluminum honeycomb core are bonded and integrated with each other by using a low melting point alloy as an adhesive.
びアルミハニカムコアの接合部面にニッケルメッキを行
うニッケルメッキ工程と、 スキン材とアルミハニカムコア接合部の間に半田箔を配
設する半田箔配設工程と、 前記スキン材と前記半田箔および前記アルミハニカムコ
アをサンドイッチ状に積層し、加熱・加圧して、半田箔
を溶融し、前記スキン材と前記アルミハニカムコアを接
合する接合工程と、 から成ることを特徴とする請求項1記載のハニカムサン
ドイッチ板の製造方法。2. A nickel plating step of plating nickel on the aluminum honeycomb core joint surface of the skin material and the joint portion surface of the aluminum honeycomb core, and a solder foil for arranging a solder foil between the skin material and the aluminum honeycomb core joint portion. A disposing step, and a joining step of laminating the skin material, the solder foil and the aluminum honeycomb core in a sandwich shape, heating and pressurizing to melt the solder foil, and joining the skin material and the aluminum honeycomb core. The method for manufacturing a honeycomb sandwich plate according to claim 1, characterized by comprising:
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP30663790A JPH0717035B2 (en) | 1990-11-13 | 1990-11-13 | Honeycomb sandwich plate and method for manufacturing the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP30663790A JPH0717035B2 (en) | 1990-11-13 | 1990-11-13 | Honeycomb sandwich plate and method for manufacturing the same |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH04176640A JPH04176640A (en) | 1992-06-24 |
JPH0717035B2 true JPH0717035B2 (en) | 1995-03-01 |
Family
ID=17959496
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP30663790A Expired - Lifetime JPH0717035B2 (en) | 1990-11-13 | 1990-11-13 | Honeycomb sandwich plate and method for manufacturing the same |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0717035B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103009013A (en) * | 2012-06-01 | 2013-04-03 | 青岛泰泓轨道装备有限公司 | Method for preparing metal honeycomb core and honeycomb sandwich board |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113183565B (en) * | 2021-06-03 | 2023-02-07 | 河南工业大学 | Preparation method of carbon fiber reinforced sliding current collecting material for high-speed train |
-
1990
- 1990-11-13 JP JP30663790A patent/JPH0717035B2/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103009013A (en) * | 2012-06-01 | 2013-04-03 | 青岛泰泓轨道装备有限公司 | Method for preparing metal honeycomb core and honeycomb sandwich board |
CN103009013B (en) * | 2012-06-01 | 2015-06-03 | 青岛泰泓轨道装备有限公司 | Method for preparing metal honeycomb core and honeycomb sandwich board |
Also Published As
Publication number | Publication date |
---|---|
JPH04176640A (en) | 1992-06-24 |
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