An Investigation of Stress-Dependent, Temperature-Dependent, and Time-Dependent Strains in Randomly Oriented Fiber Reinforced Composites

EM Caulfield

doi:10.1520/STP29380S

SYMPOSIA PAPER Published: 01 January 1982

STP29380S

An Investigation of Stress-Dependent, Temperature-Dependent, and Time-Dependent Strains in Randomly Oriented Fiber Reinforced Composites

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The effect on modulus change due to temperature on the stress-strain response of a glass fiber reinforced composite is discussed. Operationally simple constitutive equations for stress and strain computation while material temperature is transient are presented; these equations employ stress, internal specimen time, coefficient of thermal expansion, and measured material constants to determine the stress-strain response of fiberglass composites. Formulation of generalized constitutive equations to particular stress temperature histories is adduced and experimentally verified.

Author Information

Caulfield, EM

Packer Engineering Associates, Naperville, Ill.

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Details

Developed by Committee: E08

Pages: 85–96

DOI: 10.1520/STP29380S

ISBN-EB: 978-0-8031-4837-6

ISBN-13: 978-0-8031-0697-0

An Investigation of Stress-Dependent, Temperature-Dependent, and Time-Dependent Strains in Randomly Oriented Fiber Reinforced Composites

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