Accession Number:

AD0857346

Title:

Thermomechanical Coupling Phenomena in Non-Isothermal Viscoelastic Solids.

Descriptive Note:

Technical rept.,

Corporate Author:

ROHM AND HAAS CO HUNTSVILLE AL REDSTONE RESEARCH LABS

Personal Author(s):

• Cost, Thomas L.

Report Date:

1969-08-01

Pagination or Media Count:

131.0

Abstract:

The increasing use of viscoelastic materials in cyclic loading applications has created a need for an understanding of the thermomechanical coupling phenomenon of which mechanical energy exerted, in deforming a material is converted into thermal energy. Three basic approaches to a mathematical analysis of this phenomenon are reviewed and discussed in as similar a mathematical notation as possible. The theories are shown to produce similar forms for the constitutive relations although the basic approaches are considerably different. An experiment was performed on a solid circular cylinder of a urethane rubber and the results presented. Author, modified-PL

Descriptors:

• *ROCKET PROPELLANT GRAINS
• LOADS(FORCES)
• VISCOELASTICITY
• PLASTICS
• DEFORMATION
• THERMAL PROPERTIES
• VIBRATION
• MECHANICAL PROPERTIES
• THERMODYNAMICS
• EQUATIONS OF MOTION
• MATHEMATICAL MODELS
• BOUNDARY VALUE PROBLEMS
• STRUCTURAL PROPERTIES

Subject Categories:

• Mechanics
• Thermodynamics
• Solid Rocket Propellants

Distribution Statement:

APPROVED FOR PUBLIC RELEASE