Damage characteristics in notched carbon fiber composites subjected to fatigue loading - environmental effects

Journal Article · Fri Jul 01 04:00:00 EDT 1988 · J. Compos. Mater.; (United States)

DOI:https://doi.org/10.1177/002199838802200705· OSTI ID:6702717

Morton, J; Kellas, S; Bishop, S M

Several destructive and nondestructive methods were used to study the effect of absorbed moisture and/or heat on the tension compression fatigue properties of notched, 0 deg/+ or - 45 deg, carbon fiber reinforced plastic laminates. The main objective was the understanding of the nature of fatigue damage around notches (sharp slits and circular holes), under hot and/or wet conditions. The fatigue performance of the notched laminates was assessed mainly by means of residual strength measurements. It was found that the shape and extent of fatigue damage around the notches were highly dependent upon the environments considered. Furthermore, it was shown that the residual strength or fatigue life depended upon the lay-up for a given environment. 11 references.

• Research Organization: Virginia Polytechnic Institute and State Univ., Blacksburg (USA); Imperial College of Science and Technology, London (England); Royal Aircraft Establishment, Materials and Structures Dept., Farnborough (England)
• OSTI ID: 6702717
• Journal Information: J. Compos. Mater.; (United States), Journal Name: J. Compos. Mater.; (United States) Vol. 22; ISSN JCOMB
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
360603* -- Materials-- Properties
CARBON FIBERS
DESTRUCTIVE TESTING
FATIGUE
FIBERS
MATERIALS
MATERIALS TESTING
MECHANICAL PROPERTIES
MOISTURE
NONDESTRUCTIVE TESTING
PERFORMANCE
PETROCHEMICALS
PETROLEUM PRODUCTS
PLASTICS
REINFORCED MATERIALS
REINFORCED PLASTICS
RESIDUAL STRESSES
STRESSES
SYNTHETIC MATERIALS
TESTING