Method for making ceramic matrix composites

Details Method for making ceramic matrix composites Method for making ceramic matrix composites

1991-12-02

1993-10-05

Derrington, James

Plastic and nonmetallic article shaping or treating: processes

Including step of generating heat by friction

501 95, 264 60, 264344, C04B 3571

Patent

active

052502430

ABSTRACT:
A method for making a ceramic matrix composite article wherein a dispersion of a ceramic matrix powder in a wax-containing thermoplastic vehicle is applied to an inorganic fiber reinforcement material to form a prepreg material such as a prepreg tow, and the tow is collected and formed into a preform for the article which is then subjected to binder burnout and consolidation, wherein the prepreg material is heated to a temperature sufficient to evaporate at least about 50% by weight of the wax component therefrom prior to the collection and forming of the material into the preform.

REFERENCES:
patent: 4158688 (1979-06-01), Pett et al.
patent: 4314852 (1982-02-01), Brennan
patent: 4588699 (1986-05-01), Brennan
patent: 4615987 (1986-10-01), Chyung
patent: 4689188 (1987-08-01), Bhatt
patent: 5021208 (1991-06-01), Ludwig
patent: 5024978 (1991-06-01), Allaire et al.
patent: 5028367 (1991-07-01), Wei

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