Method for measuring suitability of aluminum for use in certain

Details Method for measuring suitability of aluminum for use in certain Method for measuring suitability of aluminum for use in certain

1975-02-24

1976-05-18

Krawczewicz, Stanley T.

Electricity: measuring and testing

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73 15R, 73 35, G01R 2702

Patent

active

039581764

ABSTRACT:
The resistance of aluminum particles which contain aluminum oxide coatings is measured while the particles are being slowly heated. The resistance is plotted against temperature. If the resistance drops off to zero before the temperature reaches 660.degree.C, the particles are undesirable for use as a fuel in certain rocket propellants.

REFERENCES:
patent: 3222916 (1965-12-01), Davis
patent: 3303690 (1967-02-01), Meers, Jr.
patent: 3578756 (1971-05-01), Evans et al.
patent: 3580049 (1971-05-01), Cardwell et al.
patent: 3701278 (1972-10-01), Askins et al.
patent: 3899919 (1975-08-01), Geisler et al.
Crawford, Jr. et al., Direct Determination of Burning Rates of Propellant wders, Analytical Chemistry, Feb. 1947, pp. 630-633.
Spenadel, Burning Rate Measurement of Solid Propellants, The Review of Scientific Instruments, July 1961, pp. 837-839.

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