Investigation of Magnesium and Chromium Fillers FSW Dissimilar Joint of AA6063 and AA 5154

Table 8

Microhardness ANOVA results.

Sources	SS	Dof	Mean square	F value	P value	Significance
Model	2360.52	20	2360.52	85.16	<0.0001	Significant
R^∗	901.48	1	901.48	645.75	<0.0001
W^∗	58.05	1	58.05	41.85	<0.0001
P^∗	58.05	1	58.05	41.85	<0.0001
C^∗	107.41	1	107.41	78.58	<0.0001
M^∗	36.05	1	36.05	26.08	0.0005
RW	3.07	1	3.07	2.18	0.1672
RP^∗	15.08	1	15.08	10.08	0.0091
RC	0.4625	1	0.4625	0.4031	0.5388
RM	4.07	1	4.07	2.18	0.1668
WP^∗	28.55	1	28.55	20.74	0.001
WC^∗	15.05	1	15.05	10.08	0.0099
WM^∗	10.57	1	10.57	8.57	0.0191
PC^∗	15.05	1	15.05	10.08	0.0088
PM^∗	10.57	1	10.57	8.57	0.0188
CM^∗	8.55	1	8.55	5.42	0.0402
R^2^∗	427.64	1	427.64	306.19	<0.0001
W^2^∗	347.76	1	347.76	248.98	<0.0001
P^2^∗	299.09	1	299.09	214.14	<0.0001
C^2^∗	241.09	1	241.09	101.02	<0.0001
M^2^∗	212.76	1	212.76	152.33	<0.0001
Residual	1638	12	1.5
Lack of fit	8.335	7	1.24	0.758	0.6268	Not significant
Pure error	9	6	1.7
Cor total	2465.89	32
Std. deviation	1.19	R^2		0.9935
Mean	80.44	Adjusted R^2		0.9817
CV (%)	1.47	Predicted R^2		0.9124
PRESS	207.14	Adeq. precision		28.7479