JPS63100062A - Manufacture of carbon fiber reinforced carbon composite material - Google Patents
Manufacture of carbon fiber reinforced carbon composite materialInfo
- Publication number
- JPS63100062A JPS63100062A JP61243137A JP24313786A JPS63100062A JP S63100062 A JPS63100062 A JP S63100062A JP 61243137 A JP61243137 A JP 61243137A JP 24313786 A JP24313786 A JP 24313786A JP S63100062 A JPS63100062 A JP S63100062A
- Authority
- JP
- Japan
- Prior art keywords
- carbon fiber
- carbon
- spun yarn
- carbonized
- composite material
- 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
- 229910052799 carbon Inorganic materials 0.000 title claims description 51
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims description 50
- 239000002131 composite material Substances 0.000 title claims description 23
- 229920000049 Carbon (fiber) Polymers 0.000 title claims description 18
- 239000004917 carbon fiber Substances 0.000 title claims description 18
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims description 16
- 238000004519 manufacturing process Methods 0.000 title claims description 13
- 239000004744 fabric Substances 0.000 claims description 25
- 239000000835 fiber Substances 0.000 claims description 20
- 238000003763 carbonization Methods 0.000 claims description 17
- 229920005989 resin Polymers 0.000 claims description 11
- 239000011347 resin Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 6
- 238000005087 graphitization Methods 0.000 claims description 5
- 239000012298 atmosphere Substances 0.000 claims description 4
- 229920001187 thermosetting polymer Polymers 0.000 claims description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 3
- 239000000463 material Substances 0.000 description 6
- 238000000465 moulding Methods 0.000 description 6
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 238000000280 densification Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000012299 nitrogen atmosphere Substances 0.000 description 4
- 238000005336 cracking Methods 0.000 description 3
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 229920001568 phenolic resin Polymers 0.000 description 2
- 239000005011 phenolic resin Substances 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 229920003987 resole Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 241000252203 Clupea harengus Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 150000001721 carbon Chemical class 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002783 friction material Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 235000019514 herring Nutrition 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、炭素繊維強化炭素複合材料の製造法に関する
ものである。更に詳しくは宇宙航空用構造材料、耐熱構
造部材又はブレーキ摩擦材料として利用される炭素ＩＩ
Ｎ強化炭素複合材料の製造法に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to a method for producing carbon fiber-reinforced carbon composite materials. More specifically, carbon II used as aerospace structural materials, heat-resistant structural members, or brake friction materials.
The present invention relates to a method for producing an N-reinforced carbon composite material.
（従来技術）
従来、炭素繊維強化炭素複合材料は、その耐熱性、高強
度、高弾性、耐薬品性及び軽量性の故に、宇宙航空用構
造材料、耐熱構造部材等に広く利用されている。この炭
素繊維強化炭素複合材料の製造には、通常、炭素繊維織
物の積層体が用いられるが、製造工程において、層間の
剥離が生じたり、削れによる変形が生じる４ｒどの理由
からその製造が困難であった。(Prior Art) Conventionally, carbon fiber-reinforced carbon composite materials have been widely used as structural materials for aerospace, heat-resistant structural members, etc. because of their heat resistance, high strength, high elasticity, chemical resistance, and light weight. A laminate of carbon fiber fabrics is usually used to manufacture this carbon fiber-reinforced carbon composite material, but it is difficult to manufacture for several reasons, such as peeling between layers and deformation due to abrasion during the manufacturing process. there were.
（発明の目的）
本発明者等は、さきに、炭素繊維紡績糸織物を炭素１Ｉ
維強化炭素複合材料の製造に用いることを提示したく特
開昭６０−８５３６号公報）。炭素ｍｏｗ紡績糸織物は
、炭素１１１１１強化炭素複合材料の製造に適した基材
であるが、イの侵の検討において、このものを用いた場
合、織物の素材及び組織、並びに、製造条件によっては
、炭素繊維強化炭素複合材料の製造工程で剥離、変形等
が生じ、また得られＩＣＣ炭素繊維強化炭素会合材料物
性が不均質になるなどの問題が生じることが判明した。(Object of the Invention) The present inventors first developed a carbon fiber spun yarn fabric with carbon 1I.
(Japanese Unexamined Patent Application Publication No. 1985-8536) is proposed to be used in the production of fiber-reinforced carbon composite materials. Carbon mow spun yarn fabric is a suitable base material for manufacturing carbon-11111-reinforced carbon composite materials. It has been found that problems such as peeling, deformation, etc. occur during the manufacturing process of carbon fiber-reinforced carbon composite materials, and that the physical properties of the obtained ICC carbon fiber-reinforced carbon association materials become non-uniform.
本発明の目的は、かかる問題を解決して、均質で高度の
機械的強度を有する炭素繊維強化炭素複合材料を効率良
く製造することにある。An object of the present invention is to solve this problem and efficiently produce a carbon fiber-reinforced carbon composite material that is homogeneous and has a high degree of mechanical strength.
すなわち、本発明は下記のとおりのものである。 That is, the present invention is as follows.
１〜３デニールのアクリル系耐炎繊維の短繊維からなり
、撚り数が １００〜４５０回／ＩＩｌの５〜３０番単
糸、又は、下撚り数が１２０〜４５０回／ｍで上撚り数
が８５〜３００回／請の２〜３０番双糸にて構成された
紡績糸織物を、不活性雰囲気中で炭素化するか、又は、
炭素化に引続いて、黒鉛化シテ、高密ａ Ｏ，１〜０．
４（１／ＣＩ”の炭素ＮＢＮ紡績糸織物とし、次いで該
炭素繊維紡績糸織物に熱硬化性樹脂を含浸させてプリプ
レグとなし、更に該プリプレグを積層した後、８Ｉ層物
厚さが当初の１／２〜１／４になるように圧縮をして成
形を行い、そして成形物を炭素化するか、又は、炭素化
に引続いて緻密化ずφか、又は、炭素化若しくは炭素化
・緻密化に引続いて黒鉛化することを特徴とする炭素繊
維強化炭素複合材料の製造法。Consisting of short fibers of acrylic flame-resistant fibers of 1 to 3 deniers, number 5 to 30 single yarn with number of twists of 100 to 450 times/II, or number of first twists of 120 to 450 times/m and number of final twists of 85 A spun yarn fabric composed of twin yarns of numbers 2 to 30 of ~300 cycles per cycle is carbonized in an inert atmosphere, or
Following carbonization, graphitization, high density aO, 1-0.
4 (1/CI) carbon NBN spun yarn fabric, then the carbon fiber spun yarn fabric was impregnated with a thermosetting resin to make a prepreg, and the prepregs were further laminated, and the thickness of the 8I layer was reduced to the original thickness. The molded product is compressed to 1/2 to 1/4, and then the molded product is carbonized, or the carbonization is followed by φ without densification, or carbonization or carbonization. A method for producing a carbon fiber-reinforced carbon composite material characterized by densification followed by graphitization.
本発明において用いられる繊維は、ポリアクリロニトリ
ル繊維を既知の方法で耐炎化して得ることができる１〜
３デニールのアクリル系耐炎繊維である。このものの短
繊維は、通常、耐炎繊維をバイアスカットし、平均繊維
長６０〜１５０ＩＩ１１としたものである。該短ＩＩ雑
を紡績して、撚り数が１００〜４５０回／ｌの５〜３０
番単糸、又は下撚り数が１２０〜４５０回／Ｉで上撚り
数が８５〜３００回／陶の２〜３０番双糸を作り、該双
糸にて紡績糸織物を得る。この範囲外の紡績糸織物を用
いて、炭素ｍ雑像化炭素複合材料を製造した場合には、
その製造工程中に剥離等が生じ、良好な物性を有する炭
素繊維強化炭素複合材料を安定的に製造することが１１
１ｍである。The fibers used in the present invention can be obtained by making polyacrylonitrile fibers flame-resistant by a known method.
It is a 3 denier acrylic flame resistant fiber. These short fibers are usually made by bias-cutting flame-resistant fibers to have an average fiber length of 60 to 150II11. The short II miscellaneous material is spun to give 5 to 30 twists with a twist number of 100 to 450 times/l.
A number 2 to 30 single yarn or a number 2 to 30 double yarn with a number of first twists of 120 to 450 times/I and a number of final twists of 85 to 300 times/ceramic is made, and a spun yarn fabric is obtained from the double yarns. When a carbon m-imaged carbon composite material is manufactured using a spun yarn fabric outside this range,
Peeling etc. occur during the manufacturing process, making it difficult to stably manufacture carbon fiber-reinforced carbon composite materials with good physical properties.
It is 1m.
耐炎繊維紡績糸織物の織り組織は、通常の平綴、朱子織
又は杉綾織り等である。The weaving structure of the flame-resistant fiber spun yarn fabric is a usual flat stitch, satin weave, herring twill weave, or the like.
このようにして得た耐炎繊維紡績糸織物を、窒素等の不
活性雰囲気中で通常７００〜１５００℃の温度で炭素化
するか、又は炭素化に引続いて通常２０００〜３０００
℃で黒鉛化して、炭素１雑紡績糸織物を得る。このもの
の嵩密度は０．１〜０．４ｇ／ ＣＩ”であることが必
要である。嵩密度が０．１ｇ／ＣＩＳ未満であると、成
形時の圧縮比を大きくしなければ、成形物の所要炭素繊
維含有率が得られず、また、成形時の圧力が高くなりす
ぎて成形物中の残留応力が大きくなり、炭化時に剥離等
が生じる。嵩密度が０．４ｇ ／ｃｎ＋”超であると、
熱硬化性樹脂の含浸が困難になり、プリプレグの表面に
樹脂リッチの層が形成され、炭素化時に剥離等が生じる
。The thus obtained flame-resistant fiber spun yarn fabric is carbonized in an inert atmosphere such as nitrogen at a temperature of usually 700 to 1,500°C, or following carbonization, it is usually heated to a temperature of 2,000 to 3,000°C.
It is graphitized at ℃ to obtain a carbon 1 miscellaneous spun yarn fabric. The bulk density of this material must be 0.1 to 0.4 g/CI". If the bulk density is less than 0.1 g/CIS, the molded product will deteriorate unless the compression ratio during molding is increased. The required carbon fiber content cannot be obtained, and the pressure during molding becomes too high, resulting in large residual stress in the molded product, which causes peeling during carbonization.The bulk density is more than 0.4 g/cn+" and,
Impregnation with thermosetting resin becomes difficult, a resin-rich layer is formed on the surface of the prepreg, and peeling occurs during carbonization.
グを作成する。プリプレグの樹脂含有率は３０〜５５ｉ
ｉｆｉ％が好ましい。プリプレグの樹脂含有率が３０重
愚見未満では、バインダーである樹脂の不足により、成
形物の炭素化時、肋間に剥離が生じやすい。また５５重
迦％を超えると、必要とする繊維体積含有率を得るため
に、成形時の成形圧力を＾くしなければならず、そうす
ると炭化時に割れが生じやりくなる。create a group. The resin content of prepreg is 30-55i
ifi% is preferred. If the resin content of the prepreg is less than 30%, peeling between ribs is likely to occur during carbonization of the molded product due to insufficient resin as a binder. Moreover, if it exceeds 55% by weight, the molding pressure during molding must be reduced in order to obtain the required fiber volume content, which tends to cause cracks during carbonization.
更に、このプリプレグを所定の枚数積層した後、ホット
プレス等により、積層物厚さが当初の１／２〜１／４に
なるように圧縮をして、加熱し成形を行う。圧縮比が１
／２未満では成形物の炭素繊維含有率が低く、またプリ
プレグ層間の接触が不十分で、炭素化時に剥離が生じる
。Furthermore, after laminating a predetermined number of prepregs, the prepregs are compressed using a hot press or the like so that the thickness of the laminate becomes 1/2 to 1/4 of the original thickness, and then heated and molded. Compression ratio is 1
If it is less than /2, the carbon fiber content of the molded product will be low, and the contact between the prepreg layers will be insufficient, resulting in peeling during carbonization.
圧縮比が１／４超では成形物の残留歪が大きくなりすぎ
、炭素化時に変形が生じやすくなる。If the compression ratio exceeds 1/4, residual strain in the molded product becomes too large, and deformation tends to occur during carbonization.
次に成形物を、通常、窒素又はアルゴン等の不活性雰囲
気中７００〜１５００℃で炭素化するか、又は、これに
引続いて通常２０００〜３０００℃で黒鉛化、又は、炭
素化若しくは炭素化・緻密化に引続いて黒鉛化して、目
的の炭素繊維強化炭素複合材料とする。The shaped article is then carbonized, usually at 700-1500°C in an inert atmosphere such as nitrogen or argon, or this is followed by graphitization, carbonization or carbonization, usually at 2000-3000°C.・Subsequent to densification, graphitization is performed to obtain the desired carbon fiber-reinforced carbon composite material.
また、必要により熱硬化性樹脂又はピッチ等を該炭素繊
維強化炭素複合材料に含浸した後、所要機械的強度が得
られるまで緻密化を繰り返してもよい。この緻密化の処
理は、高温に保持した炭素繊維強化炭素複合材料に炭化
水素ガスを加熱分解して炭素を蒸着する、いわゆるケミ
カル・ベーパー・デイポジション？Ａ（ＣＶＤ法）によ
って行ってもよい。Further, if necessary, after impregnating the carbon fiber-reinforced carbon composite material with a thermosetting resin, pitch, or the like, densification may be repeated until the required mechanical strength is obtained. This densification process is a so-called chemical vapor day position process in which hydrocarbon gas is thermally decomposed and carbon is deposited on the carbon fiber-reinforced carbon composite material held at high temperature. A (CVD method) may be used.
炭素繊維紡績糸織物を構成するりＪ素繊維の炭素含有率
は９」１％以上であることが好ましく、９３ｉ口量％未
満では、成形物の炭素化時に割れ、強度劣化等を起し良
好な炭素繊維強化炭素複合材料が１ｇられにくい。It is preferable that the carbon content of the carbon fibers constituting the carbon fiber spun yarn fabric is 9.1% or more, and if it is less than 93i% by weight, it will cause cracking and strength deterioration during carbonization of the molded product, so it is not good. 1g of carbon fiber-reinforced carbon composite material is difficult to lose.
本発明によると、特定の炭素繊維紡績糸織物を用い、特
定の条件下で製造することにより、均質な機械的強度の
高い炭素繊維強化炭素複合材料を容易に製造することが
できる。According to the present invention, a homogeneous carbon fiber-reinforced carbon composite material with high mechanical strength can be easily produced by using a specific carbon fiber spun yarn fabric and producing it under specific conditions.
実施例１
１．９デニールの耐炎４ａ帷（東邦レーヨン社製、パイ
ロメツクス ）を平均繊維長８５１１１１にカットした
短繊維を紡績して、下撚り数が２８８回／ｌで上撚り数
が１７７回／１１の１１番双糸を得た。該紡績糸を打ち
込み密度（径・緯糸共）３２本／インチで８枚朱子にＩ
！Ｊ織した。得られた紡績糸織物を、窒素雰囲気中１３
００℃で炭素化して、炭素含有率９３．７！ｆｉ ｊ？
ｋ ％、目付３００ｇ／ｓ ’ 、厚す１．３Ｉ、嵩密
度０．２３ｇ／ｃｅ’の炭素繊維紡績糸織物とした。次
いで該織物にレゾール系フェノール樹脂を、樹脂含有率
が４８重量％になるように塗布してプリプレグを作成し
た。該プリプレグを８％層した後、積層物厚さが圧縮前
の状態に比し１／３になるように圧縮をして、１７０℃
で加熱成形を行った。成形物を窒素雰囲気中で１０００
℃で炭素化し、繊維体積含有率３５容量％の炭素繊維強
化炭素複合材料を得た。Example 1 Short fibers of 1.9 denier flame-resistant 4a cloth (manufactured by Toho Rayon Co., Ltd., Pyromex) cut to an average fiber length of 851111 were spun, and the number of first twists was 288 turns/l and the number of final twists was 177 turns/l. 11 No. 11 double yarns were obtained. The spun yarn was pounded into 8 sheets of satin at a density (both diameter and weft) of 32 yarns/inch.
! J woven. The obtained spun yarn fabric was heated in a nitrogen atmosphere for 13 minutes.
Carbonized at 00℃, carbon content 93.7! Fi j?
A carbon fiber spun yarn fabric having a weight of 300 g/s', a thickness of 1.3 I, and a bulk density of 0.23 g/ce' was prepared. Next, a resol-based phenolic resin was applied to the fabric so that the resin content was 48% by weight to prepare a prepreg. After layering 8% of the prepreg, it was compressed so that the thickness of the laminate was 1/3 of the thickness before compression, and heated at 170°C.
Heat molding was performed. The molded product was heated for 1000 min in a nitrogen atmosphere.
Carbonization was carried out at 0.degree. C. to obtain a carbon fiber-reinforced carbon composite material with a fiber volume content of 35% by volume.
この炭素繊維強化炭素複合材料には、剥離、割れ等は全
く認められなかった。No peeling, cracking, etc. were observed in this carbon fiber reinforced carbon composite material.
実施例２
１．９デニールの耐炎繊維（前出）を平均Ｉｌ帷長９０
ｓｎにカットした短繊維を紡績して、下撚り数が４１７
回／−で上撚り数が２５８回／ｍで２０番双糸を得た。Example 2 1.9 denier flame resistant fiber (described above) with an average Il length of 90
Spun short fibers cut into sn, the number of first twists is 417
A No. 20 twin yarn was obtained with a ply twist count of 258 turns/m.
該紡績糸を打ち込み密度（経・緯糸共）３８本／インチ
で平織に製織しＩＣ，、得られた紡績糸織物を窒素雰囲
気中１３００℃で炭素化して、炭素含有率９３．８Φ間
％、目付１６５ｑ／ｍ ’、厚さ０．６１１１１．嵩密
度０．２８（１／ ＣＩ”の炭素繊維紡績糸織物とした
。該織物にレゾール系フェノール樹脂を、樹脂含有率が
４４重石％にむるように塗布してプリプレグを作成した
。該プリプレグを積層した後、積層物厚さが圧縮前の状
態に比し、＋／ ２．５になるように圧縮をして、１７
０℃で加熱成形を行った。成形物を窒素雰囲気中で１０
００℃で炭素化し、繊維体積含有率３４容珊％の炭素繊
維強化炭素複合材料を得た。この炭素繊維強化炭素複合
材料には、剥離、割れ等は全く認められなかった。The spun yarn was woven into a plain weave at a driving density (both warp and weft) of 38 threads/inch, and the resulting spun yarn fabric was carbonized at 1300°C in a nitrogen atmosphere to produce a carbon content of 93.8 Φ%. Fabric weight 165q/m', thickness 0.61111. A carbon fiber spun yarn fabric with a bulk density of 0.28 (1/CI) was prepared. A prepreg was prepared by applying a resol-based phenolic resin to the fabric so that the resin content reached 44%. After laminating, compress the laminate so that the thickness is +/2.5 compared to the state before compression, and
Heat molding was performed at 0°C. The molded product was placed in a nitrogen atmosphere for 10
Carbonization was carried out at 00°C to obtain a carbon fiber-reinforced carbon composite material with a fiber volume content of 34% by volume. No peeling, cracking, etc. were observed in this carbon fiber reinforced carbon composite material.
Claims (4)
らなり、撚り数が１００〜４５０回／ｍの５〜３０番単
糸、又は、下撚り数が１２０〜４５０回／ｍで、上撚り
数が８５〜３００回／ｍの２〜３０番双糸にて構成され
た紡績糸織物を、不活性雰囲気中で炭素化するか、又は
、炭素化に引続いて、黒鉛化して、嵩密度０．１〜０．
４ｇ／ｃｍ＾３の炭素繊維紡績糸織物とし、次いで該炭
素繊維紡績糸織物に熱硬化性樹脂を含浸させてプリプレ
グとなし、更に該プリプレグを積層した後、積層物厚さ
が当初の１／２〜１／４になるように圧縮をして成形を
行い、そして成形物を炭素化するか、又は、炭素化に引
続いて緻密化するか、又は、炭素化若しくは炭素化・緻
密化に引続いて黒鉛化することを特徴とする炭素繊維強
化炭素複合材料の製造法。(1) Consisting of short fibers of acrylic flame-resistant fibers of 1 to 3 deniers, No. 5 to 30 single yarn with a number of twists of 100 to 450 times/m, or a number of first twists of 120 to 450 times/m, A spun yarn fabric composed of twin yarns number 2 to 30 with a twist number of 85 to 300 times/m is carbonized in an inert atmosphere, or subsequently carbonized and graphitized to increase bulk. Density 0.1~0.
A 4g/cm^3 carbon fiber spun yarn fabric is made, then the carbon fiber spun yarn fabric is impregnated with a thermosetting resin to form a prepreg, and the prepregs are further laminated to reduce the thickness of the laminate to 1/1 of the original thickness. The molded product is compressed to 2 to 1/4, and then the molded product is carbonized, or densified following carbonization, or carbonized or carbonized/densified. A method for producing a carbon fiber-reinforced carbon composite material, characterized by subsequent graphitization.
有率が９３重量％以上である特許請求の範囲（１）記載
の方法。(2) The method according to claim (1), wherein the carbon fibers constituting the carbon fiber spun yarn fabric have a carbon content of 93% by weight or more.
る特許請求の範囲（１）記載の方法。(3) The method according to claim (1), wherein the prepreg has a resin content of 30 to 55% by weight.
０〜４５容量％である特許請求の範囲（１）記載の方法
。(4) The fiber volume content of the carbon fiber reinforced carbon composite material is 3
The method according to claim (1), wherein the amount is 0 to 45% by volume.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61243137A JPS63100062A (en) | 1986-10-15 | 1986-10-15 | Manufacture of carbon fiber reinforced carbon composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61243137A JPS63100062A (en) | 1986-10-15 | 1986-10-15 | Manufacture of carbon fiber reinforced carbon composite material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63100062A true JPS63100062A (en) | 1988-05-02 |
| JPH0255393B2 JPH0255393B2 (en) | 1990-11-27 |
Family
ID=17099339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61243137A Granted JPS63100062A (en) | 1986-10-15 | 1986-10-15 | Manufacture of carbon fiber reinforced carbon composite material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63100062A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0280487A (en) * | 1988-09-15 | 1990-03-20 | Sumitomo Electric Ind Ltd | Carbon fibver-reinforced composite carbon material |
| JPH03193664A (en) * | 1989-12-22 | 1991-08-23 | Nippon Steel Corp | Carbon fiber reinforced carbon composite material |
| JP2002194650A (en) * | 2000-12-19 | 2002-07-10 | Toho Tenax Co Ltd | Oxidized fiber sheet, compressed oxidized fiber sheet, method for producing them, and method for producing carbon fiber sheet |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0686191U (en) * | 1993-05-10 | 1994-12-13 | 株式会社竹中工務店 | Work site alarm device |
| JP4074820B2 (en) * | 2003-02-19 | 2008-04-16 | 東邦テナックス株式会社 | Polyacrylonitrile-based oxidized fiber spun yarn |
-
1986
- 1986-10-15 JP JP61243137A patent/JPS63100062A/en active Granted
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0280487A (en) * | 1988-09-15 | 1990-03-20 | Sumitomo Electric Ind Ltd | Carbon fibver-reinforced composite carbon material |
| JPH03193664A (en) * | 1989-12-22 | 1991-08-23 | Nippon Steel Corp | Carbon fiber reinforced carbon composite material |
| JP2002194650A (en) * | 2000-12-19 | 2002-07-10 | Toho Tenax Co Ltd | Oxidized fiber sheet, compressed oxidized fiber sheet, method for producing them, and method for producing carbon fiber sheet |
| JP4582905B2 (en) * | 2000-12-19 | 2010-11-17 | 東邦テナックス株式会社 | Oxidized fiber sheet, compressed oxidized fiber sheet, method for producing them, and method for producing carbon fiber sheet |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0255393B2 (en) | 1990-11-27 |
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