##### IJESRT

(Eqn 8) The equations were later coded in MATLAB. The Surface Theory The surface theory states that wear rate is proportional to the surface area, the formula is written as: = bm ⅔ ( Eqn. 9) Where b is a constant, from ( Eqn. 9), we obtain m⅓= m o-⅓b T ( Eqn. 10) …