Japanese Patent JPH0553850

B2

An inorganic fiber-reinforced metallic composite material comprising a matrix of a metal or its alloy and inorganic fibers as a reinforcing material, characterized in that(a) the inorganic fibers are inorganic fibers containing silicon, either titanium or zirconium, nitrogen and oxygen and being composed of(i) an amorphous material consisting substantially of Si, M, N and 0, or(ii) an aggregate consisting substantially of ultrafine crystalline particles with a particle diameter of not more than 500 A of Si₂N₂O, MN, Si₃N₄ and/or MN_1-x, and amorphous Si0₂ and MO₂, provided that in the above formulae, M represents titanium or zirconium, and x is a number represented by 0