Accession Number:

AD0683183

Title:

THE TENSILE PROPERTIES OF A POLYURETHANE PROPELLANT, UP 2,

Descriptive Note:

Corporate Author:

EXPLOSIVES RESEARCH AND DEVELOPMENT ESTABLISHMENT WALTHAM ABBEY (ENGLAND)

Personal Author(s):

Report Date:

1968-12-20

Pagination or Media Count:

26.0

Abstract:

A sample of a polyurethane propellant, designated UP 2, has been characterised in uniaxial tension using time-temperature superposition principles, over wider ranges of strain-rate and temperature than have been used previously. Near the embrittlement temperature the true strain photographically determined rapidly becomes much less than the nominal strain. Consideration of nominal strains can thus be misleading. Under the conditions of rocket ignition at low temperatures the true strain is rapidly decreasing, and the true modulus increasing, with decreasing temperature. Author

Subject Categories:

  • Mechanics
  • Solid Rocket Propellants

Distribution Statement:

APPROVED FOR PUBLIC RELEASE