Enhancements and Extensions to OSEE Contamination Inspection
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Begun in 1973, the Review of Progress in Quantitative Nondestructive Evaluation (QNDE) is the premier international NDE meeting designed to provide an interface between research and early engineering through the presentation of current ideas and results focused on facilitating a rapid transfer to engineering development.
This site provides free, public access to papers presented at the annual QNDE conference between 1983 and 1999, and abstracts for papers presented at the conference since 2001.
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Abstract
Optically Stimulated Electron Emission (OSEE) is a non-contacting method found to be very sensitive to some contaminants on metal surfaces. It has been developed in the aerospace community as an inspection tool for verifying cleanliness of surfaces prior to bonding. Issues of stability and long term variability in commercially available OSEE instruments motivated an effort. at NASA Langley Research Center to improve the technology. This effort has gone through three stages: a science base study, development of an improved instrument for rocket motor inspection, and application of OSEE to a wider class of inspections.