DEVELOPMENT AND ASSESSMENT OF AN INSPECTION TECHNIQUE FOR COATING EVALUATION
The US Navy spends around $75 million on maintenance and rework of corroded structures, especially in the ballast tanks of ships. The Navy will profit immensely with better surface coating and quality at source with real time inspection system. The approach taken to improve the coating is the use of...
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| Format: | Others |
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UKnowledge
2004
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| Online Access: | http://uknowledge.uky.edu/gradschool_theses/313 http://uknowledge.uky.edu/cgi/viewcontent.cgi?article=1316&context=gradschool_theses |
| Summary: | The US Navy spends around $75 million on maintenance and rework of corroded structures, especially in the ballast tanks of ships. The Navy will profit immensely with better surface coating and quality at source with real time inspection system. The approach taken to improve the coating is the use of optically active paint system. This kind of paint will fluoresce with an incident UV light. The fluorescence or glow can be used to detect holidays or defects on the surface. The inspection prototype developed uses a high end camera and intense UV light source. The paint and additive properties are characterized with the help of ultraviolet-visible spectroscopy (UV Vis) to study the behavior and to help formulate a theory. The holidays or missed spots in the painted surface will appear dark and non-fluorescing which is enhanced with the use of commercial filters. |
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