| 摘要 |
PURPOSE:To obtain the title composite material having excellent heat resistance and oxidation resistance by using an inorganic fiber obtained from a metal- containing polycyclic aromatic polymer, comprising the fiber in matrix having the same composition as the fiber and increasing silicon content with far from the surface of the fiber. CONSTITUTION:An inorganic fiber which is obtained from a metal-containing polycyclic aromatic polymer, comprise constituent components consisting of a carbonaceous material in a crystal arranged state of radial structure derived from a polycyclic aromatic compound, crystalline carbon and (or) amorphous carbon in a non-orientated state and a Si-M-C-O substance (M is Ti, Zr or Hf) is prepared. On the other hand, an inorganic substance which is obtained from a metal-containing polycyclic aromatic polymer and comprises the same constituent components as that of the inorganic fiber is prepared. The inorganic substance is used as matrix, the inorganic fiber is utilized as a reinforcing material and the matrix texture is controlled to have gradient texture of increasing silicon content with separation from the surface of the inorganic fiber to produce a heat-resistant fiber reinforced inorganic composite material. |
