DIAGNOSTICS OF THERMAL FATIGUE CRACKS ON CONTINUOUS CASTER ROLLS SURFACE
Application of magnetic method of control allows effectively estimating the fatigue damage accumulation in the working layer of CCM roll. The effects of the thermal fatigue cracking and operational damage process on the coercive force and hardness have been studied. It is shown that damage of steel 25Kh1M1F appreciably affect the coercive force and hardness in surface layer of the roll.
This paper also describes the analysis and identification of continuous caster (CCM) roll surfaces cracking by means of a digital photography. The problem of three-dimensional (3D) models cracks reconstruction in at a cracked surface of input 2D data is reviewed. Theoretical aspects and experimental results are presented.http://dx.doi.org/10.5755/j01.mech.17.3.499