Table 6.

ANOVA snalysis for bead width.

Source	Sum of Squares (SS)	Degrees of Freedom (df)	Mean Square (MS)	F value	p value	Contribution (%)
Laser Power (P)	28.45	2	14.23	48.76	<0.001	43.7
Scan Speed (v)	8.12	2	4.06	13.92	0.002	12.5
Powder Feed Rate (F)	22.67	2	11.34	38.84	<0.001	34.8
P*v	2.15	4	0.54	1.85	0.161	3.3
P*F	1.98	4	0.5	1.71	0.188	3
v*F	1.62	4	0.41	1.4	0.272	2.5
Error	4.21	14	0.3			6.5
Total	65.08	26				100