Lightning Strikes on Metal and Composite Aircraft And Their Mitigation

Author:

R. Prabhakaran

Abstract

In this paper, the history of aircraft accidents due to lightning strikes and the statistics of lightning strikes on commercial aircraft are briefly mentioned. The mechanism of interaction between lightning and aircraft is described. Lightning can be simulated in the laboratory. Lightning testing is based on identifying and reproducing the key elements of a typical lightning current waveform; and also on classifying the various parts of an aircraft into different lightning zones. The evolution of aircraft structural materials from wood to metal to composites is traced; some of the newer hybrid materials (‘fibre-metal laminates’) that combine the advantages of metals and composites are mentioned. The lightning mitigation measures implemented by the world’s two major aircraft manufacturers, Airbus and Boeing, are briefly described. Some of the nanomaterials proposed for enhancing the surface electrical conductivity of structural composites are reviewed.

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1. Nanocomposites for Aircraft Applications;Journal of Aerospace Sciences and Technologies;2023-08-02

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