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19 条记录 (耗时 0.024 秒)

    Process for producing carbonaceous material
    1.
    发明授权
    Process for producing carbonaceous material 失效
    碳质材料的制造方法

    公开(公告)号：US5523035A

    公开(公告)日：1996-06-04

    申请号：US122198

    申请日：1993-09-15

    申请人： Yoshio Sohda ,  Yukinori Kude ,  Takefumi Kohno ,  Hiroshi Makino

    发明人： Yoshio Sohda ,  Yukinori Kude ,  Takefumi Kohno ,  Hiroshi Makino

    IPC分类号： C04B41/50 ,  C04B41/87 ,  C01B31/00 ,  B05D3/02

    CPC分类号： C04B41/87 ,  C04B41/5057

    摘要： A process for producing a carbon/carbon composite having a ceramic and carbon coating on its surface consists essentially of the steps of heating a carbon/carbon composite at a temperature of from 800.degree. to 1,700.degree. C., contacting the thus heated composite in the presence of hydrogen with at least one compound selected from the group consisting of halides and hydrides of Si, Zr, Ti, Hf, B, Nb and W in gaseous form to convert the surface of the carbon/carbon composite, in the absence of a carbon releasing gas, into a carbide ceramic layer and then forming a coating film consisting of both carbon and ceramic by vapor phase decomposition at a pressure of 5-100 Torr on said carbide ceramic.

    摘要翻译： 在其表面上具有陶瓷和碳涂层的碳/碳复合材料的制造方法主要包括在800℃至1700℃的温度下加热碳/碳复合材料的步骤，将如此加热的复合材料与 与气态形式的Si，Zr，Ti，Hf，B，Nb和W的卤化物和氢化物中的至少一种化合物的氢存在，以在不存在碳/碳复合物的情况下转化碳/碳复合材料的表面 碳碳化物陶瓷层，然后在所述碳化物陶瓷上以5-100乇的压力气相分解形成由碳和陶瓷组成的涂膜。

    Process for producing carbonaceous preform
    5.
    发明授权
    Process for producing carbonaceous preform 失效
    碳质预制件的制造方法

    公开(公告)号：US5935359A

    公开(公告)日：1999-08-10

    申请号：US843085

    申请日：1997-04-25

    申请人： Yoshio Sohda ,  Takefumi Kohno ,  Mitsuhiro Ishii ,  Masakazu Hiro

    发明人： Yoshio Sohda ,  Takefumi Kohno ,  Mitsuhiro Ishii ,  Masakazu Hiro

    IPC分类号： B32B5/02 ,  C04B35/83 ,  B32B31/26 ,  C01B31/00

    CPC分类号： C04B35/83

    摘要： A carbonaceous preform, which is free from such drawbacks as delamination and is superior in formability and mass productivity, can be obtained by a process comprising the steps of fixing a laminate of stacked carbon fibers with a fixing jig in the absence of a binder, impregnating the thus-fixed laminate with a molten carbonaceous pitch, and carbonizing the impregnated laminate in a non-oxidative gas atmosphere.

    摘要翻译： 不含脱层的缺点，成型性和质量生产率优异的碳素预成型体可以通过以下步骤获得，该方法包括以下步骤：在不存在粘合剂的情况下将叠置的碳纤维的层叠物固定在固定夹具上，浸渍 如此固定的具有熔融碳质沥青的层压体，并将浸渍的层压体碳化在非氧化性气体气氛中。

    Process for preparing carbon/carbon composite preform and carbon/carbon composite
    6.
    发明授权
    Process for preparing carbon/carbon composite preform and carbon/carbon composite 失效
    制备碳/碳复合预制件和碳/碳复合材料的方法

    公开(公告)号：US5614134A

    公开(公告)日：1997-03-25

    申请号：US445924

    申请日：1995-05-22

    申请人： Yoshio Sohda ,  Takefumi Kohno ,  Yutaka Sanokawa

    发明人： Yoshio Sohda ,  Takefumi Kohno ,  Yutaka Sanokawa

    IPC分类号： C04B35/83 ,  F16D69/02 ,  C01B31/00

    CPC分类号： C04B35/83 ,  F16D69/023

    摘要： A carbon/carbon composite is prepared without using any expensive carbon fiber fabric and without performing any complicated molding step prior to a densifying step. More specifically, a pitch-based infusiblized fiber alone, or optionally in the form of a mixture thereof with a pitch-based carbonized fiber, is subjected to carbonization and molding under uniaxial pressing to obtain a carbon/carbon composite preform. The preform is then densified using a carbonaceous matrix.

    摘要翻译： 制备碳/碳复合材料，而不使用任何昂贵的碳纤维织物，并且在致密步骤之前不进行任何复杂的模制步骤。 更具体地说，在单轴压制下单独使用基于沥青的不熔融纤维，或任选地与沥青基碳化纤维的混合物的形式，进行碳化和模塑，得到碳/碳复合预成型体。 然后使用碳质基质将预成型件致密化。

    Process for producing carbon preform
    7.
    发明授权
    Process for producing carbon preform 失效
    生产碳预制件的方法

    公开(公告)号：US5433937A

    公开(公告)日：1995-07-18

    申请号：US163064

    申请日：1993-12-06

    申请人： Yoshio Sohda ,  Yutaka Sonokawa ,  Takefumi Kohno

    发明人： Yoshio Sohda ,  Yutaka Sonokawa ,  Takefumi Kohno

    IPC分类号： C04B35/83 ,  D01F9/15 ,  D01F9/155 ,  C01B31/00

    CPC分类号： D01F9/15 ,  C04B35/83 ,  D01F9/155

    摘要： A simple manufacturing process for obtaining a carbon/carbon composite of superior performance is provided without using a carbon fiber fabric which is expensive and without going through the step of fixing fibers together using a binder.A precursor fiber for a carbon fiber which precursor fiber has been rendered infusible is subjected to uniaxial pressing at a temperature lower than the temperature adopted in the infusiblizing treatment, and then a carbonization treatment is performed.According to the present invention, a primary-pressed carbon material can be produced without using a binder, thus resulting in that not only the carbon material but also a carbon/carbon composite can be produced in a simple manner.

    摘要翻译： 提供了用于获得具有优异性能的碳/碳复合材料的简单制造方法，而不使用昂贵的碳纤维织物，并且不经过使用粘合剂将纤维固定在一起的步骤。 前体纤维已经熔融的碳纤维前体纤维在低于熔融处理中采用的温度的温度下进行单轴压制，然后进行碳化处理。 根据本发明，可以在不使用粘合剂的情况下制造原压碳材料，从而不仅能够以简单的方式制造碳材料，而且可以生产碳/碳复合材料。

    Process for producing pitch carbon fibers
    9.
    发明授权
    Process for producing pitch carbon fibers 失效
    沥青碳纤维生产方法

    公开(公告)号：US4656022A

    公开(公告)日：1987-04-07

    申请号：US820431

    申请日：1986-01-17

    申请人： Seiichi Uemura ,  Takao Hirose ,  Yoshio Sohda ,  Takayoshi Sakamoto ,  Kenji Katoh

    发明人： Seiichi Uemura ,  Takao Hirose ,  Yoshio Sohda ,  Takayoshi Sakamoto ,  Kenji Katoh

    IPC分类号： D01F9/14 ,  D01F9/145 ,  D01F11/14 ,  D01F9/12

    CPC分类号： D01F9/145

    摘要： In the process for producing pitch carbon fibers by melt-spinning a carbonaceous pitch, and infusiblizing the resulting pitch fibers followed by carbonization and, additionally as needed, graphitization, the pitch fibers are subjected to infusiblization treatment following application of a dimethyl polysiloxane having a viscosity at 25.degree. C. in the range between 0.5 and 500 cSt and removing said dimethyl polysiloxane by washing prior to the carbonization.

    摘要翻译： 在通过熔融纺丝碳质沥青来制造沥青碳纤维的方法中，并且将所得的沥青纤维进行碳化，并且根据需要进一步石墨化，沥青纤维在施加具有粘度的二甲基聚硅氧烷之后进行不熔化处理 在25℃下在0.5至500cSt之间的范围内，并且在碳化之前通过洗涤除去所述二甲基聚硅氧烷。

    Process for producing pitch based graphite fibers
    10.
    发明授权
    Process for producing pitch based graphite fibers 失效
    沥青基石墨纤维生产方法

    公开(公告)号：US4574077A

    公开(公告)日：1986-03-04

    申请号：US659261

    申请日：1984-10-10

    申请人： Seiichi Uemura ,  Takao Hirose ,  Yoshio Sohda ,  Takayoshi Sakamoto ,  Yoshio Kishimoto

    发明人： Seiichi Uemura ,  Takao Hirose ,  Yoshio Sohda ,  Takayoshi Sakamoto ,  Yoshio Kishimoto

    IPC分类号： D01F9/15 ,  D01F9/155 ,  D01F9/14

    CPC分类号： D01F9/15 ,  D01F9/155

    摘要： Provided is a process for producing a pitch-based graphite fiber, which process comprises treating a pitch fiber in an oxidative gas atmosphere to render it infusible, said pitch fiber being obtained by melt-spinning a carbonaceous pitch, then heat-treating the infusibilized fiber at 400.degree.-750.degree. C. in an inert gas atmosphere to obtain a precarbonized fiber substantially containing oxygen, then raising the temperature to 2,000.degree.-3,000.degree. C. at a rate of 500.degree. C. or higher per minute in an inert gas atmosphere and heat-treating the precarbonized fiber at the raised temperature of 2,000.degree.-3,000.degree. C. in said inert gas atmosphere.

    摘要翻译： 提供了一种沥青类石墨纤维的制造方法，该方法包括在氧化性气体气氛中处理沥青纤维使其不熔融，所述沥青纤维通过将碳质沥青熔融纺丝获得，然后热处理不熔化的纤维 在惰性气体气氛中于400-750℃下反应，得到基本上含氧的预碳化纤维，然后在惰性气体中以500℃或更高的速度将温度升至2000℃-3000℃ 在所述惰性气体气氛中在2000℃-3000℃的升高温度下对预碳化纤维进行热处理。