Nondestructive testing device for engine compressor blade
A non-destructive testing and compressor technology, applied in the direction of material magnetic variables, etc., can solve the problems of inconvenient use of front and back detection of the blade, and achieve the effect of good detection effect, sensitive response and rapid detection.
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[0031] In order to make the objectives, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. Obviously, the described embodiments are only some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other implementations obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.
[0032] The non-destructive testing device for an engine compressor blade provided by the present application is mainly used for detecting material surface cracks, which are discontinuous defects, and is an application of an eddy current testing method. The principle of eddy current testing is that an electric field can excite a magnetic field in space, and a changing magnetic field can excite an electric field. Placing a closed loop in the electric field can generate current. Then, p...
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