Study of Microstructure and Properties of 316L with Selective Laser Melting Based on Multivariate Interaction Influence

Table 7

Analysis of variance of elongation.

Source	Sum of squares	DF	Mean square	F value	value prob > F
Model	10386.66	27	384.69	14.05	<0.0001
A	350.33	1	350.33	12.80	0.0014
B	138.03	1	138.03	5.04	0.0335
C	89.58	1	89.58	3.27	0.0820
D	4864.16	1	4864.16	177.70	<0.0001
E	1.30	1	1.30	0.048	0.8289
F	58.73	1	58.73	2.15	0.1550
AB	333.82	1	333.82	12.20	0.0017
AC	34.91	1	34.91	1.28	0.2691
AD	51.06	1	51.06	1.87	0.1837
AE	336.05	1	336.05	12.28	0.0017
AF	49.00	1	49.00	1.79	0.1925
BC	0.076	1	0.076	2.762  10^−3	0.9585
BD	195.25	1	195.25	7.13	0.0129
BE	39.24	1	39.24	1.43	0.2420
BF	4.86	1	4.86	0.18	0.6771
CD	3.90	1	3.90	0.14	0.7087
CE	1.58	1	1.58	0.058	0.8120
CF	0.16	1	0.16	5.684  10^−3	0.9405
DE	107.43	1	107.43	3.92	0.0582
DF	325.69	1	325.69	11.90	0.0019
EF	14.25	1	14.25	0.52	0.4770
Residual	711.70	26	27.37
Lack of fit	670.62	21	31.93	3.89	0.0687
Pure error	41.08	5	8.22
Cor total	11098.36	53