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Heat treat defect detection Induction hardening, case hardening, tempering, solution annealing and normalizing are examples of different heat treatment methods commonly in use. Soft spots, quench defects, tempering defects, decarburization, and induction coil alignment defects are all defects that can easily be detected with Barkhausen Noise Analysis (BNA). Grinding Burn and Heat Treat Defect Testing Equipment
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