About the sensitivity of magnetic noises to the change of the structure of the articles from cast iron KCh 30-6 surface coating

About the sensitivity of magnetic noises to the change of the structure of the articles from cast iron KCh 30-6 surface coating

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There is experimentally demonstrated sensitivity of the magnetic noise methods to the change of the structure of cast iron articles Bell boots KCh 30-6 surface coating with an example of radiator nipple.As a result of measuring there is disclosed the increase of magnetic Heart / Cardiovascular Support noise in case of presence of decarbonized lay on the surface of detail and/ or residual cementite in surface coating; at the increase of pearlite proportion in the near-surface coating there is observed the decrease of magnetic noise.