탄소강 선재 표면균열의 능동형 유도 적외선 열화상 검사

다국어 초록 (Multilingual Abstract)

In this study, an active induction infrared thermography is developed and applied to detect surface-breaking cracks on steel wire rods, which are frequently made by the rolling process in the manufacturing factory, using the thermal response of surface cracks to an impulsive excitation of electromagnetic induction. Artificial cracks, 20µm wide and 10 mm long along the axial direction with nine different depths ranging from 20µm to 100µm by increments of 10 µm, are machined by laser on two types of steel wire rods (Φ5.5 mm and Φ13 mm) to investigate the detection capability of the induction infrared thermography equipment. All artificial cracks are successfully detected from thermal images, and it is concluded that the active induction thermography is a fast and low-cost method to inspect the surface micro-cracks of steel wire rods that could not be detected and visualized by other nondestructive methods.

참고문헌 (Reference)

1 강형선 ; 김창현 ; 조영태, "적외선 열화상을 이용한 부품소재 결함의 정량적 평가 방법" 한국생산제조학회 27 (27): 557-563, 2018

2 최만용 ; 박희상 ; 박정학 ; 강기수, "위상잠금 초음파 적외선열화상에 의한 겹치기 마찰교반용접부의 결함 평가" 한국비파괴검사학회 30 (30): 104-109, 2010

3 민태훈 ; 나형철 ; 김노유, "위상잠금 열화상장치 제어용 랩뷰 프로그램 개발" 한국비파괴검사학회 31 (31): 127-133, 2011

4 최만용 ; 강기수 ; 박정학 ; 김원태 ; 김경석, "위상잠금 광-적외선 열화상 기술을 이용한 내부결함의 위치 및 크기 평가" 한국비파괴검사학회 27 (27): 321-327, 2007

5 Beata Oswald-Tranta, "Thermoinductive investigations of magnetic materials for surface cracks" Informa UK Limited 1 (1): 33-46, 2004

6 Yoonjae Chung, "Thermographic Inspection of Internal Defects in Steel Structures: Analysis of Signal Processing Techniques in Pulsed Thermography" MDPI AG 20 (20): 6015-, 2020

7 Walle, G., "Thermographic Crack Detection in Ferritic Steel Components using Inductive Heating" 2006

8 Choi, M., "The Utilization of Nondestructive Testing and Defect Diagnosis using Infrared Thermography" 24 (24): 525-531, 2004

9 Gernot Riegert, "Lockin thermography with eddy current excitation" Informa UK Limited 1 (1): 21-32, 2004

10 Giovanni Maria Carlomagno, "Infrared thermography in materials inspection and thermo-fluid dynamics" WITPRESS LTD. 1 (1): 173-198, 2013

11 Udo Netzelmann, "Induction thermography: principle, applications and first steps towards standardisation" Informa UK Limited 13 (13): 170-181, 2016

12 Beate Oswald-Tranta, "Induction Thermography for Surface Crack Detection and Depth Determination" MDPI AG 8 (8): 257-, 2018