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NONDESTRUCTIVE EXAMINATION APPARATUS TO AUTOMATICALLY DETECT REAR SURFACE CORROSION AND FATIGUE CRACKS AROUND AIRCRAFT RIVET
NONDESTRUCTIVE EXAMINATION APPARATUS TO AUTOMATICALLY DETECT REAR SURFACE CORROSION AND FATIGUE CRACKS AROUND AIRCRAFT RIVET
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机译:用于自动检测飞机铆钉周围后表面腐蚀和疲劳裂纹的非破坏性检测装置
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摘要
The present invention relates to a nondestructive examination apparatus to automatically detect rear surface corrosion and fatigue cracks around an aircraft rivet and, more specifically, relates to a nondestructive examination apparatus comprising: a sensor unit which applies a uniform electromagnetic field to a certain area of an aircraft structure fastened with metal rivets to measure a distortion of an electromagnetic field generated by an existence of the rivet; a signal processing unit which processes electromagnetic field distribution measured by the sensor unit; a defect reading unit which estimates rear surface corrosion and fatigue cracks around the rivet through the electromagnetic field distribution processed by the signal processing unit; a display unit which allows a user to visually discern the defect estimated by the defect reading unit; a control unit which controls the sensor unit, the signal processing unit, the defect reading unit, and the display unit; and a power supply unit which supplies power to the sensor unit, the signal processing unit, the defect reading unit, and the display unit.;COPYRIGHT KIPO 2017
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