JPH07300373A - Carbon fiber-reinforced carbon material having high thermal conductivity in one direction - Google Patents
Carbon fiber-reinforced carbon material having high thermal conductivity in one directionInfo
- Publication number
- JPH07300373A JPH07300373A JP6201269A JP20126994A JPH07300373A JP H07300373 A JPH07300373 A JP H07300373A JP 6201269 A JP6201269 A JP 6201269A JP 20126994 A JP20126994 A JP 20126994A JP H07300373 A JPH07300373 A JP H07300373A
- Authority
- JP
- Japan
- Prior art keywords
- carbon fiber
- thermal conductivity
- carbon material
- carbon
- reinforced carbon
- 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.)
- Granted
Links
- 239000003575 carbonaceous material Substances 0.000 title claims abstract description 26
- 229910052799 carbon Inorganic materials 0.000 title abstract description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title abstract description 5
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 42
- 239000004917 carbon fiber Substances 0.000 claims abstract description 42
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 37
- 239000000945 filler Substances 0.000 claims abstract description 13
- 239000011159 matrix material Substances 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- 239000000057 synthetic resin Substances 0.000 claims abstract description 4
- 229920003002 synthetic resin Polymers 0.000 claims abstract description 4
- 239000002759 woven fabric Substances 0.000 claims description 10
- 239000011295 pitch Substances 0.000 claims description 9
- 238000010000 carbonizing Methods 0.000 claims description 2
- 230000035939 shock Effects 0.000 abstract description 16
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000004804 winding Methods 0.000 abstract description 4
- 239000011229 interlayer Substances 0.000 abstract description 2
- 240000007594 Oryza sativa Species 0.000 abstract 1
- 235000007164 Oryza sativa Nutrition 0.000 abstract 1
- 241000206607 Porphyra umbilicalis Species 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 150000001721 carbon Chemical class 0.000 abstract 1
- 239000004744 fabric Substances 0.000 abstract 1
- 235000009566 rice Nutrition 0.000 abstract 1
- 238000010008 shearing Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 10
- 238000003763 carbonization Methods 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 230000004927 fusion Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000005011 phenolic resin Substances 0.000 description 4
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000005470 impregnation Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000004745 nonwoven fabric Substances 0.000 description 2
- 239000005539 carbonized material Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000007849 furan resin Substances 0.000 description 1
- 238000005087 graphitization Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Ceramic Products (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は一方向に高い熱伝導率を
有し、かつ耐熱衝撃性に優れた炭素繊維強化炭素材料に
関し、核融合炉壁材を始めとする高温炉部材，耐熱構造
材等に好適に使用されるものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a carbon fiber reinforced carbon material having a high thermal conductivity in one direction and an excellent thermal shock resistance, such as a fusion reactor wall material, a high temperature furnace member, and a heat resistant structure. It is preferably used for materials and the like.
【０００２】[0002]
【従来の技術】炭素繊維強化炭素材料は焼結炭素材料に
比して高い熱伝導率と耐熱衝撃性を有しているが、さら
に高水準のものが望まれている。また核融合炉壁材など
の用途では、一方向に高い熱伝導率を有し、かつ耐熱衝
撃性に優れたものの開発が望まれている。2. Description of the Related Art Carbon fiber reinforced carbon materials have higher thermal conductivity and thermal shock resistance than sintered carbon materials, but higher levels are desired. In addition, for applications such as fusion reactor wall materials, it is desired to develop a material having a high thermal conductivity in one direction and excellent thermal shock resistance.
【０００３】従来の炭素繊維強化炭素材料としては、次
の(1) 〜(4) が代表的なものである。 (1) 炭素繊維織物積層品をフィラーとするもの。 (2) 炭素繊維不織布（フェルトなど）を積層し、フィラ
ーとするもの。 (3) 炭素繊維のチョップをフィラーとしマトリックス中
に分散したもの。 (4) 炭素繊維を一方向に引き揃えて積層しフィラーとし
たもの。The following (1) to (4) are typical examples of conventional carbon fiber reinforced carbon materials. (1) A carbon fiber woven laminate as a filler. (2) A product in which carbon fiber non-woven fabric (felt, etc.) is laminated and used as a filler. (3) Carbon fiber chops used as fillers dispersed in a matrix. (4) A filler obtained by aligning carbon fibers in one direction and stacking them.
【０００４】しかし、上記の (1),(2),(3)については、
基本的に熱は繊維軸に沿って流れるため、核融合炉壁材
など一方向（内部から外部）の熱伝導性が要求される用
途においては、必ずしも高い熱伝導率が得られなかっ
た。 また(4) については、一方向に高い熱伝導性があ
る点はすぐれているが、層間剪断強度が低く、耐熱衝撃
性に難がある。そこで耐熱衝撃性を向上させるために、
３次元構造体により炭素繊維強化炭素材を構成すること
が考えられるが、これはコスト、生産面での負担が大き
い。However, regarding the above (1), (2), and (3),
Since heat basically flows along the fiber axis, high thermal conductivity was not always obtained in applications such as fusion reactor wall materials that require thermal conductivity in one direction (from inside to outside). Regarding (4), although it is excellent in that it has high thermal conductivity in one direction, it has low interlaminar shear strength and is poor in thermal shock resistance. Therefore, in order to improve the thermal shock resistance,
Although it is conceivable to construct a carbon fiber reinforced carbon material with a three-dimensional structure, this imposes a heavy burden on cost and production.
【０００５】[0005]
【発明が解決しようとする課題】本発明は上記の従来技
術の欠点を解消し、巻き込んだ軸に平行な方向、垂直な
方向だけでなく、任意の方向の熱伝導率を高めることが
でき、耐熱衝撃性、層間剪断強度の面でも非常に有効な
疑似３次元構造を有する構造でしかもコスト、生産面で
も有利な炭素繊維強化炭素材料を提供するものである。DISCLOSURE OF THE INVENTION The present invention solves the above-mentioned drawbacks of the prior art, and can enhance the thermal conductivity not only in the direction parallel to and the direction perpendicular to the wound axis, but also in any direction. It is intended to provide a carbon fiber reinforced carbon material having a structure having a pseudo three-dimensional structure which is very effective in terms of thermal shock resistance and interlaminar shear strength, and is also advantageous in terms of cost and production.
【０００６】[0006]
【課題を解決するための手段】本発明者らは上記の課題
を解決するために、炭素繊維強化炭素材料において、一
方向成分が多いと同時に、縦糸の配列数と横糸の配列数
を特定の範囲に定めた織布を縦糸を軸方向にのり巻き状
に巻き込むことにより、軸方向の熱伝導率を高くするこ
とができ、かつすぐれた耐熱衝撃性、層間剪断破壊に有
利な、疑似３次元構造を有する材料を発明するにいたっ
たものである。In order to solve the above-mentioned problems, the present inventors have specified a large number of unidirectional components in a carbon fiber reinforced carbon material and at the same time specify the number of warp yarns and the number of weft yarns. By wrapping the woven fabric defined in the range in the axial direction in the form of a roll, the thermal conductivity in the axial direction can be increased, and it has excellent thermal shock resistance and is advantageous for interlaminar shear fracture. This led to the invention of a material having a structure.
【０００７】すなわち本発明は、炭素繊維フィラーと合
成樹脂および／またはピッチ類を加熱によって炭化した
マトリックスとからなる炭素繊維強化炭素材料におい
て、炭素繊維フィラーが縦糸の配列数ｎ（本／ｃｍ）と
横糸の配列数ｍ（本／ｃｍ）との間にｎ／ｍ＝３〜１０
の関係にある炭素繊維織布を縦糸を軸方向にのり巻き状
に巻き込んで構成されることを特徴とする炭素繊維強化
炭素材料である。That is, according to the present invention, in a carbon fiber reinforced carbon material comprising a carbon fiber filler and a matrix obtained by carbonizing a synthetic resin and / or pitches by heating, the carbon fiber filler has a number of warp yarns arranged n (lines / cm). N / m = 3 to 10 between the number of weft threads arranged (m / piece)
The carbon fiber reinforced carbon material is characterized in that the carbon fiber woven fabric having the above relation is wound around the warp yarn in the axial direction.
【０００８】本発明について、さらに詳細に以下に述べ
る。本発明の炭素繊維強化炭素材料は、次のように製造
される。まず、フィラーとして炭素繊維の束を用いて織
布を作成するが、この時縦糸の配列数ｎ（本／ｃｍ）と
横糸の配列数ｍ（本／ｃｍ）につき次のように数値を特
定する。すなわちｎ／ｍ＝３〜１０の範囲となるように
して織布を作製する。ｎ／ｍ＜３では熱伝導率の方向性
がなくなり、良好な熱伝導性が得られなくなる。またｎ
／ｍ＞１０では層間剪断強度が小さくなり、耐熱衝撃性
が低下する。上記のような織布を経糸方向に巻き込んだ
ものをフィラーとする。The present invention will be described in more detail below. The carbon fiber reinforced carbon material of the present invention is manufactured as follows. First, a woven fabric is prepared using a bundle of carbon fibers as a filler. At this time, the numerical values are specified for the number of warp yarns arranged (n (pieces / cm)) and the number of weft yarns arranged (m / pieces / cm) as follows. . That is, a woven fabric is prepared so that n / m is in the range of 3 to 10. When n / m <3, the directionality of thermal conductivity is lost, and good thermal conductivity cannot be obtained. Also n
When / m> 10, the interlaminar shear strength becomes small and the thermal shock resistance decreases. A material obtained by winding the above woven fabric in the warp direction is used as a filler.
【０００９】マトリックスとしては、フェノール樹脂，
フラン樹脂など加熱により炭化する合成樹脂やピッチ類
が用いられる。繊維体積率（Ｖｆ）は４０〜６０％が好
ましい。６０％以上では炭素化あるいは緻密化の工程で
層間の割れが発生し易くなるので好ましくなく、４０％
以下ではマトリックス炭素が多くなるため機械特性が急
激に低下する。As the matrix, phenol resin,
Synthetic resins and pitches that are carbonized by heating such as furan resin are used. The fiber volume ratio (Vf) is preferably 40 to 60%. If it exceeds 60%, cracks between layers are likely to occur in the carbonization or densification step, which is not preferable, and 40%
Below, the amount of matrix carbon increases, and the mechanical properties decrease sharply.
【００１０】フイラーとマトリックスの複合について
は、まず炭素繊維織布に樹脂またはピッチを含浸して、
半硬化（プリプレグ）した後、のり巻き状に巻き込んで
から、樹脂またはピッチを含浸してもよい。そして所定
の型内で成形、硬化してから約1000℃まで熱処理して炭
化する。炭化後さらにピッチ又は樹脂含浸し、炭化する
含浸焼成を数回くり返し緻密化してもよい。さらに必要
であれば炭化したものを 3000 ℃でまで熱処理して黒鉛
化してもよい。Regarding the composite of the filler and the matrix, first, a carbon fiber woven fabric is impregnated with resin or pitch,
After semi-curing (prepreg), the resin or pitch may be impregnated after being wound into a paste shape. Then, after being molded and hardened in a predetermined mold, it is heat treated to about 1000 ° C. to be carbonized. After carbonization, pitch or resin may be further impregnated, and impregnation and firing for carbonization may be repeated several times to densify. If necessary, the carbonized material may be heat treated up to 3000 ° C. to be graphitized.
【００１１】上記のようにして、のり巻状に巻き込んで
構成することにより、本発明の炭素繊維強化炭素は、断
面がうず巻き状の構造となり、これにより製品の強度に
つき疑似３次元構造的効果が得られる。上記のようにし
て、一方向成分を主体としながらも、縦糸と横糸が特定
の割合で配列されている織布を縦糸を軸方向にのり巻き
状に巻込んだ炭素繊維強化炭素材料が製造される。As described above, the carbon fiber reinforced carbon of the present invention has a spiral structure in cross section when it is wound in the form of a paste, and this gives a pseudo three-dimensional structural effect to the strength of the product. can get. As described above, a carbon fiber-reinforced carbon material is produced by winding a woven fabric in which warp yarns and weft yarns are arranged in a specific ratio while winding the warp yarns in an axial roll shape, while mainly using a unidirectional component. It
【００１２】本発明の炭素繊維強化炭素材の断面は円柱
状のものでも角型のものでもよい。The cross section of the carbon fiber reinforced carbon material of the present invention may be cylindrical or rectangular.
【００１３】[0013]
【実施例１】炭素繊維を縦糸の配列数ｎ（本／ｃｍ）と
横糸の配列数ｍ（本／ｃｍ）との間がｎ／ｍ＝３、６、
１０となるように織布を作製し、これにフェノール樹脂
を含浸、半硬化したプリプレグを作製した。Example 1 The number of carbon fibers arranged between the number of warp yarns arranged n (pieces / cm) and the number of weft yarns arranged m (pieces / cm) was n / m = 3, 6,
A woven fabric was prepared so as to have a weight of 10, and was impregnated with a phenol resin to prepare a semi-cured prepreg.
【００１４】これを縦糸を軸方向にのり巻き状に巻き込
んで成形圧３０kg/cm2、温度150 ℃にてプレス成形し 3
0 ×30×200 ｍｍの成形体を得た。これを1000℃まで加
熱、炭化し、ついでピッチを含浸 1000 ℃までの炭化す
る含浸焼成を３回繰り返し、さらに3000℃まで熱処理し
て黒鉛化した。The warp yarn is wound into a roll in the axial direction and press-formed at a forming pressure of 30 kg / cm 2 and a temperature of 150 ° C. 3
A molded body of 0 × 30 × 200 mm was obtained. This was heated to 1000 ° C., carbonized, and then impregnated with pitch, and impregnated and fired to carbonize up to 1000 ° C. was repeated 3 times, and further heat treated to 3000 ° C. to graphitize.
【００１５】このようにして製造した炭素繊維強化炭素
材料を耐熱衝撃性を評価するため約２０００℃の黒鉛化
炉に投入したが製品の破壊等は生じなかった。また熱伝
導率は２０００℃、３０００℃処理品を巻き込んだ方
向、巻き込んだ軸方向で測定したところ図１の通りであ
った。The carbon fiber reinforced carbon material produced as described above was put into a graphitizing furnace at about 2000 ° C. in order to evaluate the thermal shock resistance, but the product was not broken. The thermal conductivity was measured in the direction in which the product treated at 2000 ° C. and 3000 ° C. was taken in and the axial direction in which it was taken in.
【００１６】[0016]
【化１】 [Chemical 1]
【００１７】[0017]
【比較例１】炭素繊維を縦糸の配列数ｎ（本／ｃｍ）と
横糸の配列数ｍ（本／ｃｍ）との間がｎ／ｍ＝１となる
ようにし、実施例１と同一の方法、条件で炭素繊維強化
炭素材料を得た。炭素繊維強化炭素材料の特性を実施例
１と同一の方法で耐熱衝撃性を評価したところ、製品の
破壊は生じなかった。しかし、熱伝導率については、実
施例１と同様に測定したところ図１に示すように良好な
ものが得られなかった。[Comparative Example 1] The same method as in Example 1 was used in which carbon fiber was arranged such that n / m = 1 between the number of warp yarns arranged (n / piece / cm) and the number of weft yarns arranged (m / piece / cm). Under the conditions, a carbon fiber reinforced carbon material was obtained. When the thermal shock resistance of the carbon fiber reinforced carbon material was evaluated in the same manner as in Example 1, no product breakage occurred. However, when the thermal conductivity was measured in the same manner as in Example 1, a good thermal conductivity was not obtained as shown in FIG.
【００１８】[0018]
【比較例２】炭素繊維を縦糸の配列数ｎ（本／ｃｍ）と
横糸の配列数ｍ（本／ｃｍ）との間がｎ／ｍ＝１２とな
るようにし、実施例１と同一の方法、条件で炭素繊維強
化炭素材料を得た。得られた炭素繊維強化炭素材料の耐
熱衝撃性を評価したところ、製品にクラックが生じた。
また熱伝導率については、実施例１と同様に測定したと
ころ図１の通りであった。[Comparative Example 2] The same method as in Example 1 was applied such that the number of carbon fibers arranged was n / m = 12 between the number of warp yarns arranged (n / piece / cm) and the number of weft yarns arranged (m / piece / cm). Under the conditions, a carbon fiber reinforced carbon material was obtained. When the thermal shock resistance of the obtained carbon fiber reinforced carbon material was evaluated, cracks occurred in the product.
The thermal conductivity was measured in the same manner as in Example 1 and was as shown in FIG.
【００１９】[0019]
【比較例３】炭素繊維不織布にフェノール樹脂を含浸、
半硬化したプリプレグを作製し、これを成形圧３０kg/c
m2、温度 150℃にてプレス成形し 30 × 30 × 200ｍｍ
の成形体を得た。これを1000℃まで加熱、炭化し、つい
でピッチを含浸 1000 ℃までの炭化する含浸焼成を３回
繰り返し、さらに 3000 ℃まで熱処理して黒鉛化した。[Comparative Example 3] Carbon fiber nonwoven fabric impregnated with phenol resin,
A semi-cured prepreg is produced and the molding pressure is 30 kg / c.
Press-molded at m 2 and temperature 150 ℃ 30 × 30 × 200mm
A molded body of was obtained. This was heated to 1000 ° C., carbonized, then impregnated with pitch, and impregnated and baked to carbonize up to 1000 ° C. was repeated 3 times, and further heat treated to 3000 ° C. to graphitize.
【００２０】得られた炭素繊維強化炭素材料を実施例１
と同一の方法で耐熱衝撃性を評価したところ、層間クラ
ックが生じた。The obtained carbon fiber reinforced carbon material was used in Example 1.
When the thermal shock resistance was evaluated by the same method as above, interlayer cracking occurred.
【００２１】[0021]
【比較例４】炭素繊維を一方向に引揃え、これにフェノ
ール樹脂を含浸、半硬化したプリプレグシートを積層し
た。これを成形圧３０kg/cm2、温度150 ℃にてプレス成
形し30 × 30 ×200 ｍｍの成形体を得た。これを1000
℃まで加熱炭化し、ついでピッチを含浸 1000 ℃までの
炭化する含浸焼成を３回繰り返し、さらに 3000 ℃まで
熱処理して黒鉛化した。得られた炭素繊維強化炭素材料
を実施例１と同一の方法で耐熱衝撃性を評価したところ
クラックを生じた。[Comparative Example 4] Carbon fibers were aligned in one direction, and a prepreg sheet which was impregnated with a phenol resin and was semi-cured was laminated. This was press-molded at a molding pressure of 30 kg / cm 2 and a temperature of 150 ° C. to obtain a molded body of 30 × 30 × 200 mm. 1000 this
Carbonization by heating to ℃, then impregnation of pitch and carbonization up to 1000 ℃ were repeated 3 times, and heat treatment was further carried out to 3000 ℃ for graphitization. When the thermal shock resistance of the obtained carbon fiber reinforced carbon material was evaluated by the same method as in Example 1, a crack was generated.
【００２２】以上のように実施例１のように炭素繊維の
縦糸の配列数ｎ（本／ｃｍ）と横糸の配列数ｍ（本／ｃ
ｍ）との間がｎ／ｍ＝３〜１０の範囲にすると、耐熱衝
撃性にすぐれ、かつ良好な熱伝率の製品が得られること
がわかった。As described above, as in Example 1, the number of carbon fiber warp yarns arranged is n (pieces / cm) and the number of weft yarns is arranged m (pieces / c).
It has been found that a product having excellent thermal shock resistance and good heat conductivity can be obtained by setting the distance between m) and n / m = 3 to 10 in range.
【００２３】[0023]
【発明の効果】本発明によると、炭素繊維強化炭素材料
において、一方向成分を主体としながら縦糸と横糸の配
列数を特定した織布をたて糸を軸方向にのり巻き状に巻
き込むことにより、高い熱伝導率を有し、かつ耐熱衝撃
性にもすぐれた材料をコスト、生産面でも三次元構造体
のようにコスト負担をかけることなく製造できる。本発
明の炭素繊維強化炭素材料は、核融合炉壁材、耐熱構造
材等にきわめて好適である。According to the present invention, in a carbon fiber reinforced carbon material, a woven fabric in which the number of warp and weft threads is specified while the unidirectional component is the main component, and the warp threads are wound in the form of a roll in the axial direction, which is high. It is possible to manufacture a material having a thermal conductivity and an excellent thermal shock resistance without cost and production cost, unlike a three-dimensional structure. The carbon fiber reinforced carbon material of the present invention is extremely suitable for a nuclear fusion reactor wall material, a heat resistant structural material and the like.
Claims (1)
たはピツチ類を加熱によって炭化したマトリックスとか
らなる炭素繊維強化炭素材料であって、炭素繊維フィラ
ーが縦糸の配列数ｎ（本／ｃｍ）と横糸の配列数ｍ（本
／ｃｍ）との間にｎ／ｍ＝３〜１０の関係にある炭素繊
維織布を縦糸を軸方向にのり巻状に巻き込んで構成され
ることを特徴とする炭素繊維強化炭素材料。1. A carbon fiber reinforced carbon material comprising a carbon fiber filler and a matrix obtained by carbonizing a synthetic resin and / or pitches by heating, wherein the carbon fiber filler has a warp yarn arrangement number n (pieces / cm) and a weft yarn. Carbon fiber woven fabric having a relationship of n / m = 3 to 10 with the number of arrangements m (pieces / cm) of the warp is wound in the axial direction in a roll shape. Reinforced carbon material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20126994A JP3232498B2 (en) | 1994-04-28 | 1994-04-28 | Carbon fiber reinforced carbon material with high thermal conductivity in one direction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20126994A JP3232498B2 (en) | 1994-04-28 | 1994-04-28 | Carbon fiber reinforced carbon material with high thermal conductivity in one direction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07300373A true JPH07300373A (en) | 1995-11-14 |
| JP3232498B2 JP3232498B2 (en) | 2001-11-26 |
Family
ID=16438161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20126994A Expired - Lifetime JP3232498B2 (en) | 1994-04-28 | 1994-04-28 | Carbon fiber reinforced carbon material with high thermal conductivity in one direction |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3232498B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011118757A1 (en) * | 2010-03-26 | 2011-09-29 | 東洋炭素株式会社 | Carbon/carbon composite material and method of manufacture for same |
-
1994
- 1994-04-28 JP JP20126994A patent/JP3232498B2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011118757A1 (en) * | 2010-03-26 | 2011-09-29 | 東洋炭素株式会社 | Carbon/carbon composite material and method of manufacture for same |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3232498B2 (en) | 2001-11-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101472850B1 (en) | High-temperature-resistant composite | |
| US5071700A (en) | Carbon fiber-reinforced carbon composite material | |
| US20120219778A1 (en) | Composite material containing soft carbon fiber felt and hard carbon fiber felt | |
| US20130011602A1 (en) | C/c composite material and method of manufacturing the same | |
| DE68916086T2 (en) | Process for the production of carbon / carbon composites. | |
| EP1908740B1 (en) | CARBON-FIBER-REINFORCED SiC COMPOSITE MATERIAL AND SLIDE MEMBER | |
| US6800364B2 (en) | Isotropic pitch-based materials for thermal insulation | |
| JP4245725B2 (en) | High temperature pressure molding furnace member made of carbon fiber reinforced carbon composite material and method for producing the same | |
| JP3232498B2 (en) | Carbon fiber reinforced carbon material with high thermal conductivity in one direction | |
| JP2783807B2 (en) | Carbon fiber reinforced carbon composite material and method for producing the same | |
| US5554354A (en) | Carbon fiber-reinforced carbon composite material and process for producing the same | |
| JP2002255664A (en) | C / C composite and method for producing the same | |
| JP3288408B2 (en) | Manufacturing method of general-purpose carbon fiber reinforced carbon material | |
| JPH0255393B2 (en) | ||
| US4164601A (en) | Coating for fibrous carbon material in boron containing composites | |
| JP2017008272A (en) | High functional carbon/carbon composite having high carbon fiber contribution ratio | |
| JP6780972B2 (en) | Plate-shaped spring made of carbon / carbon composite material and bent in a zigzag shape | |
| JP2008044201A (en) | Carbon fiber sheet and its manufacturing method | |
| JP2889878B2 (en) | Pitch-based carbon fiber reinforced carbon composite and method for producing the same | |
| JPH03271163A (en) | Carbon fiber/carbon composite material and production thereof | |
| JP4420371B2 (en) | Manufacturing method of screw member made of C / C material | |
| JPS63293051A (en) | Carbon fiber reinforced carbon composite metarial | |
| JPH08245273A (en) | Method for producing carbon fiber reinforced carbon composite material | |
| JP2000034176A (en) | Carbon fiber-reinforced carbonaceous composite material structural product | |
| JP2003012374A (en) | Method for producing carbon fiber reinforced carbon material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20010731 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080921 Year of fee payment: 7 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090921 Year of fee payment: 8 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090921 Year of fee payment: 8 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100921 Year of fee payment: 9 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100921 Year of fee payment: 9 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110921 Year of fee payment: 10 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120921 Year of fee payment: 11 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120921 Year of fee payment: 11 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130921 Year of fee payment: 12 |
|
| EXPY | Cancellation because of completion of term |