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논문 기본 정보

자료유형
학술저널
저자정보
Il-Chul Park (Chosun University) Sang Che Kim (Chosun University) Ju Yeop Shin (Chosun University) Hyun Chul Jung (Chosun University) Kyeong-Suk Kim (Chosun University)
저널정보
한국비파괴검사학회 비파괴검사학회지 비파괴검사학회지 제38권 제2호
발행연도
2018.4
수록면
91 - 97 (7page)
DOI
10.7779/JKSNT.2018.38.2.91

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초록· 키워드

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As the conventional optical defect inspection systems use a single or two lasers to form a measurement region, defects are inspected in a narrow measurement region. In this study, we fabricated a multidiode optical defect inspection system that used multiple laser diodes to expand the measurement region. An experiment was conducted to determine whether the proposed system had a similar performance with respect to the conventional systems. Specimens were fabricated by simulating the defects of the pressure piping, which could occur in a nuclear power plant or in industrial sites. Accordingly, the purpose of the experiment is to examine whether defects could be inspected during the operation of a piping circulation system. Our results show that using multiple laser diodes could reduce the cost and secure a wider measurement region, thereby achieving a cost-effective and high-efficiency defect detection.

목차

Abstract
1. Introduction
2. Optical inspection system using multiple laser diodes
3. Experiment for measuring defects of pressure pipes using the multiple diode defect inspection system
4. Measurement of deformation in defective parts
5. Conclusions
References

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