Evaluation of mechanical properties of ductile cast iron and inverse regression

  • 1 Institute of Mechanics - BAS, Sofia, Bulgaria
  • 2 M+C HYDRAULIC Plc, Kazanlak, Bulgaria


The evaluation of ductile cast iron is common foundry practice. For the correct non-destructive evaluation (NDE) of mechanical properties (ultimate tensile strength; relative lengthening; Brinell’s hardness; elasticity modulus) by means ultrasonic testing and inverse regression analysis are used.



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