Application of digital image processing technique in the microstructure analysis and the machinability investigation

OBRABOTKAMETALLOV Vol. 23 No. 4 2021 TECHNOLOGY Ta b l e 1 Non-Etched Condition sample microstructure output Depth from surface White percentage Black Percentage (Graphite) 0.5 mm 84.56 15.44 1.0 mm 87.57 12.43 1.5 mm 87.57 12.43 2.0 mm 90.30 9.70 2.5 mm 86.44 13.56 3.0 mm 85.23 14.77 3.5 mm 84.84 15.16 Ta b l e 2 Etched Condition sample microstructure output Depth from surface Black Percentage (Pearlite) White Percentage (Ferrite) 0.5 mm 65.73 34.27 1.0 mm 44.41 55.59 1.5 mm 49.98 50.02 2.0 mm 52.02 47.98 2.5 mm 67.30 32.70 3.0 mm 66.51 33.49 3.5 mm 57.57 42.43 f g Fig. 2. The End