Study of the Mechanical Properties of Structural Steels Using Acoustic and Magnetic Methods

Resumo

Mechanical properties of structural steels have been studied upon tensile tests of flat specimens with a stress concentrator using acoustic and magnetic methods. Strain dependences of acoustic and magnetic parameters evaluated by several nondestructive testing techniques are obtained. Analysis of revealed regularities makes it possible to identify the physical parameters characterizing attainment of the critical state corresponding to the yield and ultimate strength of the materials under study.