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Proceedings Paper

Outgassing measurements of clad and unclad carbon composite laminates
Author(s): Mark E. Frink; Lane A. Darnton; Edward M. Silverman
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Paper Abstract

Measured outgassing rates are presented and compared for several laminated carbon/epoxy and carbon/thermoplastic structural materials. Outgassing rates were measured with the samples at 298 K, with a temperature controlled quartz crystal microbalance (TQCM) collector at one of two temperatures. Mass accumulation at 175 K was used to collect primarily large polymeric molecules escaping the composite matrix. Mass accumulation at 100 K was used to collect all significant outgassed species including water. Once characterized, some samples were clad with molecular barrier coatings and retested to determine whether cladding could impede outgassing in space-like conditions. The outgassing test procedures employed are described, and a comparison of these with the ASTM E595 procedure is discussed.

Paper Details

Date Published: 18 December 1992
PDF: 11 pages
Proc. SPIE 1754, Optical System Contamination: Effects, Measurement, Control III, (18 December 1992); doi: 10.1117/12.140730
Show Author Affiliations
Mark E. Frink, TRW Space and Technology Group (United States)
Lane A. Darnton, TRW Space and Technology Group (United States)
Edward M. Silverman, TRW Space and Technology Group (United States)


Published in SPIE Proceedings Vol. 1754:
Optical System Contamination: Effects, Measurement, Control III
A. Peter M. Glassford, Editor(s)

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