Table 1.

Effect of diode laser on carbonization.

Trial No.	Standoff Distance (mm)	Feedrate (mm/min)	Duty Cycle (%)	Carbonization (%)
				2.5 W	5.5 W	20 W
1	18	200	70	81.917	64.253	59.980
2	18	250	75	80.697	61.840	59.563
3	18	300	80	79.270	62.333	56.810
4	20	200	75	74.560	60.793	54.673
5	20	250	80	72.630	58.190	52.117
6	20	300	70	73.713	59.623	53.387
7	22	200	80	76.383	63.537	57.527
8	22	250	70	75.963	62.167	56.803
9	22	300	75	74.580	60.780	55.283