Liner for a solid propellant rocket motor

Details Liner for a solid propellant rocket motor Liner for a solid propellant rocket motor

1986-10-31

1989-04-18

Walsh, Donald P.

Power plants

Reaction motor

Solid propellant

149 37, 424 4, 102287, 102289, 102290, F02K 900

Patent

active

048215112

ABSTRACT:
A curable liner for a solid propellent rocket motor includes a radiopaque material uniformly blended therein to provide a sufficient density difference between the propellant and insulator to enhance non-destructive X-ray evaluation of the liner propellant interface. Up to 10% powdered tungsten is added to a liner component mixture prior to incorporation in a rocket motor. Utilizing this radiopaque material in the liner mixture allows detection of previously undetectable voids, disbands or flaws at the liner propellant interface, thereby reducing the potential for failure of the rocket motor during operation.

REFERENCES:
patent: 3765177 (1973-10-01), Ritchey et al.
patent: 3855176 (1974-12-01), Skidmore
patent: 3937800 (1976-02-01), Dur-Smith et al.
patent: 3973397 (1976-08-01), Chase et al.
patent: 4079124 (1978-03-01), Winchell
patent: 4101646 (1978-07-01), Sugimoto

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