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  • 1
    Publication Date: 2019-06-28
    Description: Stress analysis of the Advanced Attack Helicopter (AAH) composite main rotor blade root end lug is described. The stress concentration factor determined from a finite element analysis is compared to an empirical value used in the lug design. The analysis and test data indicate that the stress concentration is primarily a function of configuration and independent of the range of material properties typical of Kevlar-49/epoxy and glass epoxy.
    Keywords: COMPOSITE MATERIALS
    Type: NASA-TM-84578 , NAS 1.15:84578
    Format: application/pdf
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