Investigating the Effect of Cooling Media on Hardness, Toughness, Coefficient of Friction, and Wear Rate of Mild Steel Heat Treated at Different Temperatures

Figure 6

Coefficient of friction of sample cooled by water, (a) heat treated by 500°C and sliding load 10 N, (b) heat treated by 500°C and sliding load 20 N, (c) heat treated by 900°C and sliding load 10 N, and (d) heat treated by 900°C and sliding load 20 N.

(a)

(b)

(c)

(d)