The static strenght of mechanically fastened carbon-epoxy joints without bending

Report (1989)
Copyright: Campus only
Finite element method Laminates Bolted joints Stress concentration Lap joints Failure modes Carbon fiber reinforced plastics Prediction analysis techniques Static tests Fasteners Hole geometry (mechanics)
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Published Date

16-01-1989

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NLR Technical Publication TP 890019 U

Abstract

The mechanical behaviour of mechanically fastened double lap carbon-epoxy joints has been investigated both by experiments (static tests) and by analysis. Several fastener types and joint geometries has been investigated. In the experimental programme the Fibredux 6376/T400H material was used. Two methods to analyze mechanically fastened composite joints are described: a semi-analytical method in which Nuismer's point failure criterion is applied to an analytically determined stress distribution and a finite element based computer program BOLT. A good agreement between test and analysis was found.

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