Fatigue Analysis of Additive Manufactured Long Fibre Reinforced Nylon Materials

Hackney, Philip and Oppon, Charles (2020) Fatigue Analysis of Additive Manufactured Long Fibre Reinforced Nylon Materials. Procedia CIRP, 51. pp. 678-683. ISSN 2212-8271

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Abstract

Composite materials due to their high strength to density characteristics are widely used in aerospace, automotive, marine applications etc. Recent developments in Additive Manufacturing processes and materials have enabled the manufacture of end-use functional components. This paper investigates the fatigue behaviour of composite parts processed Additive Manufacturing (AM) process Continuous Fibre Fabrication reinforcement (CFF) method. There are existing data for static material properties however they are only a few published papers on the fatigue performance of parts processed by CFF additive manufacturing. This study investigates by physical and digital simulation, the fatigue life of 0, 2, 4, 6, 8 layer carbon fibre reinforced Nylon ASTME606M test samples. This research has determined design for fatigue guidelines for additively manufactured composite materials, for both for the low and high cycle applications.

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