Barkhausen Noise Modelof Microdefect Characterization
نویسندگان
چکیده
The testing method using Barkhausen noise (B.N) is a particular method, which can be applied on ferromagnetic materials. It is a magnetic non destructive evaluation (NDE) method and can provide very important information about the material microstructure. The work here presented documents the ability to determine the metallurgical state of steel. A new approach is studied of defects; microstructure by BN .The defects geometry, microstructure changes are treated in the mathematic model. Experimental elaboration is studied; instrumentation for measurement BN has developed.
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