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Investigations into the damage for various types of unprotected carbon fibre composites with a variety of lightning arc attachmentsVery little quantitative information exists on the extent and nature of damage caused to unprotected carbon fiber composites (CFC's) due to lightning arc attachment. An initial investigation into the arc damage to three different types and various thickness of CFC's from A and C component type lightning discharges is described. The difference in damage which the two types of waveform produced and the way the area of damage varies with different levels of action integral and charge transfer is compared. In some cases, the temperature rise at the rear of the panels was recorded for various levels of action integral and charge transfer. A comparison was made of the area of damage from visual inspection and soft x ray photography, using a suitable penetrant in the damage area. It is concluded there is a need for a more detailed analysis of the damage.
Document ID
19910023292
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Reid, G. W.
(United Kingdom Atomic Energy Authority Abingdon, United Kingdom)
Date Acquired
September 6, 2013
Publication Date
August 1, 1991
Publication Information
Publication: NASA. Kennedy Space Center, The 1991 International Aerospace and Ground Conference on Lightning and Static Electricity, Volume 1
Subject Category
Composite Materials
Accession Number
91N32606
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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