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Proceedings Paper

Recent Developments In Polycarbonate Coatings For Advanced Aircraft
Author(s): D. L. Voss; J. A. Raffo
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Paper Abstract

Polycarbonate has emerged in recent years as the optimum choice of material for fabrication of advanced aircraft windshields and canopies that reauire maximum performance against bird strikes. This choice is based on a combination of properties of which the most outstanding are impact strength, high temperature resistance, light weight and ease of thermoforming to complex shapes. Polycarbonate, however, requires surface protection from abrasion, ultraviolet irradiation and common chemical solvents. The most cost-effective method of polycarbonate protection and one which adds negligible weight, is by the use of thin transparent polymeric coatings. This paper describes a coating which has been developed for aircraft applications and in fact meets the stringent requirements of the General Dynamics Lightweight F-16 specification. In order to withstand high-speed rain erosion and at the same time retain the mechanical properties of polycarbonate, it has been determined that inherent flexibility of the coating together with high adhesion to polycarbonate are essential requirements for long-term durability in service environments. The conceot of windshield surface protection, screening tests and shortcomings of other coatings will be reviewed emphasizing the major differences in performance between flexible and brittle formulations.

Paper Details

Date Published: 26 February 1982
PDF: 7 pages
Proc. SPIE 0297, Emerging Optical Materials, (26 February 1982); doi: 10.1117/12.932484
Show Author Affiliations
D. L. Voss, Sierracin-Sylmar (United States)
J. A. Raffo, Sierracin-Sylmar (United States)

Published in SPIE Proceedings Vol. 0297:
Emerging Optical Materials
Solomon Musikant, Editor(s)

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