Study of SRM critical surfaces using near infrared optical fiber spectrometry

Journal Article · Thu Dec 02 04:00:00 EST 1999 · AIP Conference Proceedings

DOI:https://doi.org/10.1063/1.1302018· OSTI ID:21207667

Workman, G L; Thompson, G W; Arendale, W A ^[1]

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1. Center for Automation and Robotics, University of Alabama in Huntsville, Huntsville, Alabama, 35899 (United States)

The measurement and control of cleanliness for critical bonding surfaces during manufacturing provides a unique challenge in the current thrust for the use of environmentally benign processes. Of particular interest has been work performed in maintaining quality in the production of bonds in aerospace propulsion systems and the identification of possible contaminants which are detrimental to the integrity of the bondline. This work requires an in-depth study of the possible sources of contamination, methodologies to identify contaminants, discrimination between contaminants and chemical species caused by environment, and the effect of particular contaminants on the bondline integrity of the critical bonds. Current research explores the use of near infrared (NIR) optical fiber spectrometry for process monitoring of materials used in aerospace systems. Characterization of contaminants on critical bondlines for aerospace materials such as D6AC steel, aluminum alloys and graphite epoxy composites will be presented. Experiments include quantitative measurement of silicone and Conoco HD2 grease, metal hydroxides, and tape residues on solid rocket motor surfaces.

• OSTI ID: 21207667
• Journal Information: AIP Conference Proceedings, Journal Name: AIP Conference Proceedings Journal Issue: 1 Vol. 497; ISSN APCPCS; ISSN 0094-243X
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
ABSORPTION SPECTROSCOPY
ALUMINIUM ALLOYS
BONDING
CALIBRATION STANDARDS
CONTROL
EPOXIDES
GRAPHITE
HYDROXIDES
INFRARED SPECTRA
MANUFACTURING
METALS
NONDESTRUCTIVE TESTING
OPTICAL FIBERS
SILICONES
STEELS
SURFACES