Accession Number : AD0846180

Title :   Microstructural Characteristics and Failure Mechanism for A. Carboxyl Terminated Polybutadiene Composite System,

Corporate Author : ARMY MISSILE RESEARCH DEVELOPMENT AND ENGINEERING LAB REDSTONE ARSENAL AL PRO PULSION DIRECTORATE

Personal Author(s) : Martin, Donald L., Jr

Report Date : 30 SEP 1968

Pagination or Media Count : 65

Abstract : The report discusses an investigation directed toward elucidation of solid propellant microscopic response and failure mechanisms through characterization of the constitutive effects of cross-link density, molecular weight distribution and curing agent ratio in the binder formulation, and filler fraction. This was accomplished on the carboxyl terminated polybutadiene propellant system through investigation of three binder formulations with the same curing agent ratio but with different cross-link densities, five binder formulations with different curing agent ratios, and four formulations with up to 69.9 percent by volume of filler. (Author)

Descriptors :   (*SOLID ROCKET PROPELLANTS, MECHANICAL PROPERTIES), SYNTHETIC RUBBER, BUTADIENES, AGING(MATERIALS), STRESSES, STRAIN(MECHANICS), DEGRADATION, BURNING RATE, PROPELLANT GRAINS, COMPOSITE PROPELLANTS, FRACTURE(MECHANICS), DENSITY, SHOCK(MECHANICS), FAILURE(MECHANICS), THERMAL STABILITY.

Subject Categories : Mechanics
      Solid Rocket Propellants

Distribution Statement : APPROVED FOR PUBLIC RELEASE