Affiliation:
1. Tinker Air Force Base Oklahoma 73145
2. The Ohio State University Department of Aeronautical and Astronautical Engineering 2036 Neil Avenue Mall Columbus, OH 43210-1276
Abstract
The differences and similarities between thin and thick composite lami nated plate responses to impact were experimentally investigated. The impact resistance of graphite/epoxy specimens of thickness varying from 0.254 to 2.54 cm were studied. All tests were conducted at low velocities in a drop tower apparatus. Ultrasonic C-scans of the damaged specimens were used to quantify the impact damage. Cross sections of some im pacted specimens were also examined to determine the through-the-thickness damage. Re sidual flexural strength was measured with a three-point flexural test fixture. The results show that the thin/thick laminate impact behavior transition occurs at a thickness situated between 0.635 and 1.37 cm.
Subject
Materials Chemistry,Polymers and Plastics,Mechanical Engineering,Mechanics of Materials,Ceramics and Composites
Cited by
10 articles.
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