NDT Methods: Magnetic Particle

Testing consists of magnetization of the article, application of iron particle, and interpretation of the patterns formed by the particles as they are attracted by magnetic leakage fields. This form of testing is usually applied to finished articles, billets, hot rolled bars, castings and forgings. It can also be used to check that the processing operations such as heat treat, machining and grinding did not uncover or cause discontinuities.

Because magnetization of certain metals is possible, small particles that are attracted to magnetic fields are applied to the surface of the test object after or during induction of a magnetic field, thereby detecting certain discontinuities which are present in the material. However, this test method is limited to disclosing only those discontinuities that are at or near the surface.

NDT Methods
 

West-Can Inspection Limited provides an Inspection and Non-Destructive Testing and Failure Analysis service for the detection and evaluation of materials relative to their quality and condition through our mobile and laboratory facilities. WEST-CAN INSPECTION LIMITED is a private company incorporated in 1969 in Winnipeg, Manitoba.


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