کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
10292835 511558 2010 5 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Scanning waveform analysis of a room-temperature-probe SQUID NDE system
موضوعات مرتبط
مهندسی و علوم پایه سایر رشته های مهندسی مهندسی عمران و سازه
پیش نمایش صفحه اول مقاله
Scanning waveform analysis of a room-temperature-probe SQUID NDE system
چکیده انگلیسی
A room-temperature-probe SQUID NDE system with high mobility and excellent spatial resolution has been developed for detecting the internal cracks of metallic material. Here, the sensing probe is composed of quadruple excitation coils and double D-shape pickup coils. It is connected to the input coil surrounding the SQUID sensor to transfer a magnetic field of eddy current. Following the previous demonstration of its good spatial resolution and high sensitivity, a signal mechanism for the scanning waveform is further proposed in this study to explain the scanning non-directionality of the system and analyze the internal cracks. Both fine and wide single cracks and multi-cracks with dense and spare intervals are valid. Moreover, the model is in good agreement with the test results.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: NDT & E International - Volume 43, Issue 7, October 2010, Pages 586-590
نویسندگان
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