Research Article

Multiple Quadratic Polynomial Regression Models and Quality Maps for Tensile Mechanical Properties and Quality Indices of Cast Aluminum Alloys according to Artificial Aging Heat Treatment Condition

Table 3

CV result of the multiple quadratic regression models for tensile mechanical properties and quality indices of A357.

 MAEMRE (%)R 2

YS (MPa)35.04213.7390.702
UTS (MPa)16.7885.4140.726
E f (%)3.46618.2600.999
W (MJ/m3)8.02818.6540.995
Q (MPa)11.2504.8650.993
Q R (MPa)89.24514.3350.898
Q C (MPa)21.5777.4350.976
Q 0 (MPa)21.9556.3610.982