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A Reliability Study of the Phased Array Ultrasonic Testing - Case Study for the Composite Blades of Wind Power Generation -
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위상배열 초음파 탐지검사의 신뢰성에 관한 연구 : 풍력발전기 복합소재 블레이드 사례연구

논문 기본 정보

Type
Academic journal
Author
Byung Kwon Kang (삼영검사엔지니어링) Ik Sung Lim (남서울대학교) Ilseob Koo (남서울대학교)
Journal
The Korean Reliability Society Journal of Applied Reliability Vol.16 No.4 KCI Accredited Journals
Published
2016.12
Pages
338 - 346 (9page)

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A Reliability Study of the Phased Array Ultrasonic Testing - Case Study for the Composite Blades of Wind Power Generation -
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Abstract· Keywords

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Purpose: The purpose of this research is to improve the reliability of the composite material blades used for the wind power generator, by applying the phased array ultrasonic testing technique out of the many nondestructive test into the blades.
Method: The wind power generation composite blades are used, as a case study, in order to evaluate the reliability of the phased array ultrasonic testing technique. Defects that are most likely occurred in the field are injected into the different locations of the three different types of artificial test pieces and then phased array ultrasonic testing technique are applied to evaluate the reliability of its effectiveness.
Result: As a result of the analysis of the defect signals by applying the A scan and B scan simultaneously, depth and width of the defect could be obtained. An area of defect was proportional to the amount of energy by color in B scan image. The larger amount of energy, reflected amount of energy was appeared in the order of red, orange, yellow, blue color.
Conclusion: The most reliable testing method to detect the defect in composite blades for wind power generation is considered to be the combination of the other destructive testing technique with the phased array ultrasonic testing since the PAUT alone could not detect all range of the defects in the blades.
#Phased Array Ultrasonic #Reliability #Composite Blades #Test

Contents

1. 서론
2. 위상배열 초음파 탐지검사(Phased Array Ultrasonic Testing: PAUT)
3. 실험 결과 및 고찰
4. 결론
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