Determination of Dewetting Criterion for Nonlinear Solid Propellant Stress Analysis

[+] Author and Article Information
G. H. Lindsey, J. E. Woods

Naval Postgraduate School, Department of Aeronautics, Monterey, Calif.

J. Eng. Mater. Technol 97(3), 271-277 (Jul 01, 1975) (7 pages) doi:10.1115/1.3443295 History: Received February 11, 1974; Revised August 29, 1974; Online August 17, 2010


A criterion for dewetting in solid propellant materials is developed from an application of Drucker’s postulate to an idealized model of stress-strain behavior. The criterion is evaluated experimentally via dewetting measurements in uniaxial and multiaxial stress states. Development of the method of data reduction for the triaxial tensile test has brought new insight to previous work reported with the test.

Copyright © 1975 by ASME
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