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A Measurement Method of Internal Defects of Pressure Vessles by Using Real-Time Holographic Interferometry
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 Title & Authors
A Measurement Method of Internal Defects of Pressure Vessles by Using Real-Time Holographic Interferometry
Moon, Sang-Joon; Kang, Young-June; Baik, Sung-Hoon; Kim, Cheol-Jung;
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 Abstract
Conventional measurement methods using ultrasonic wave or x-ray, eddy current for non-destructive testing(NDT) in nuclear power plants and other industrial plants have been utilized as the method of contact with objects to be inspected. For this reason these methods require relatively much time and inspection area is limited by the location of probe or film. But holograpic interferometry which is a non-contact optical measurement method using a coherent light source has an advantage that quantative measurement can be performed at a time. In this paper a new method using realtime holographic interfreometry and image processing for detecting internal flaws of pressure vessels is presented.
 Keywords
Quantitative Measurement;Real-Time Holographic Interferometry;Nondestructive Testing;Internal Flaw;Pressure Vessel;
 Language
Korean
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