Impact Damage And Erosion In Infrared Materials

A. G. Evans

doi:10.1117/12.932491

26 February 1982 Impact Damage And Erosion In Infrared Materials

A. G. Evans

Proceedings Volume 0297, Emerging Optical Materials; (1982) https://doi.org/10.1117/12.932491
Event: 25th Annual Technical Symposium, 1981, San Diego, United States

Abstract

The mechanisms of impact damage and erosion that occur in infra-red materials subject to impact by solid particles and water drops are discussed. The elucidation of the damage mechanisms allows identification of the material properties that impart the maximum damage resistance and hence, permit the retention of good optical quality in erosive environments. The principal material properties are the fracture toughness, hardness and elastic wave velocity. Microstructural effects on these properties are briefly discussed.

Citation Download Citation

A. G. Evans "Impact Damage And Erosion In Infrared Materials", Proc. SPIE 0297, Emerging Optical Materials, (26 February 1982); https://doi.org/10.1117/12.932491

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