SYMPOSIA PAPER Published: 01 January 1975
STP33177S

Foreign Object Damage and Fatigue Interaction in Unidirectional Boron/Aluminum-6061

Source

An experimental program was conducted to study the effects of foreign object damage (FOD) on the bending fatigue characteristics of a composite material, unidirectional boron/aluminum-6061. Fatigue curves were generated for a control group and each of four levels of FOD. The composite was further, characterized by static tensile and nondestructive tests. All tests were carried out at room temperature. A similar damage and fatigue experiment was done for a titanium alloy, Ti-6A1-4V, to provide baseline data with which to compare the composite. It was concluded that the composite suffers a greater percentage reduction in fatigue strength than does Ti-6A1-4V for a given impact energy.

Author Information

Gray, TD
Air Force Flight Dynamics Laboratory, Wright-Patterson Air Force Base, Dayton, Ohio
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Details
Developed by Committee: E08
Pages: 262–279
DOI: 10.1520/STP33177S
ISBN-EB: 978-0-8031-4652-5
ISBN-13: 978-0-8031-0346-7