Table 4: Hardness and ratio values.

Exp. number Hardness (HV0.1) ratio 1 912.25 59.2023 2 1087.50 60.7286 3 837.00 58.4545 4 965.33 59.6935 5 1063.00 60.5307 6 885.80 58.9467 7 1082.00 60.6845 8 941.30 59.4746 9 976.00 59.7890 10 1043.00 60.3657 11 937.60 59.4404 12 933.67 59.4038 13 838.60 58.4711 14 1018.40 60.1584 15 1011.00 60.0950 16 855.50 58.6444 17 1088.60 60.7374 18 1024.00 60.2060 19 913.40 59.2132 20 825.80 58.3375 21 1105.40 60.8704 22 892.60 59.0131 23 1018.20 60.1567 24 977.60 59.8032 25 1191.30 61.5204 26 1137.20 61.1167 27 911.80 59.1980