BALLISTIC BEHAVIOR OF ADHESIVELY BONDED HONEYCOMB ALUMINUM PANELS FOR AIRCRAFT: PART II.
Technical rept. for 15 Oct 65-15 Apr 66,
DAYTON UNIV OHIO RESEARCH INST
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Adhesively bonded honeycomb panels commonly used with high-performance aircraft were subjected to ballistic impact from a military .30 calibre round to analyze target response qualitatively. Structural panels were impacted by a 150-grain projectile traveling at about 3000 ftsec at angles of 90 normal, 45 and 15 degrees. These data were duplicated and verified by independent tests conducted at the Ballistic Research Laboratories BRL, Aberdeen, Maryland. In addition, BRL conducted impact tests with a military .50 calibre as well as simulated high-explosive fragments for assessment of the problem of deflagration and conflagration of fuel. It can be concluded from the data that grazing impacts can cause extensive damage to adhesively bonded honeycomb panels. Careful consideration should be given to the hazards involved when such construction is utilized on attack aircraft. Author