Some interesting mechanical behaviors of fiber composite materials
Conference
·
OSTI ID:6489147
In the course of studies of the mechanical behaviors of aramid/epoxy and the high-strength S2-glass/epoxy composites, two interesting but puzzling behaviors were observed. First, when a sustained tensile load is removed any time before stress-rupture failure, the composites retain almost their full original strengths. Second, the contribution of a high-elongation, low-modulus matrix to the performance of a simple glass composite seems to be surprisingly little. These results have raised questions about the validity of the strength retention test as well as the usefulness of a low-modulus matrix in fiber composites.
- Research Organization:
- California Univ., Livermore (USA). Lawrence Livermore Lab.
- DOE Contract Number:
- W-7405-ENG-48
- OSTI ID:
- 6489147
- Report Number(s):
- UCRL-80908; CONF-780916-3
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360403* -- Materials-- Polymers & Plastics-- Mechanical Properties-- (-1987)
ARAMIDS
ELONGATION
FIBERS
GLASS
MATERIALS
MATERIALS TESTING
MECHANICAL PROPERTIES
PETROCHEMICALS
PETROLEUM PRODUCTS
PLASTICS
REINFORCED MATERIALS
REINFORCED PLASTICS
STRESSES
TENSILE PROPERTIES
TESTING
360403* -- Materials-- Polymers & Plastics-- Mechanical Properties-- (-1987)
ARAMIDS
ELONGATION
FIBERS
GLASS
MATERIALS
MATERIALS TESTING
MECHANICAL PROPERTIES
PETROCHEMICALS
PETROLEUM PRODUCTS
PLASTICS
REINFORCED MATERIALS
REINFORCED PLASTICS
STRESSES
TENSILE PROPERTIES
TESTING