id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
aiti-7835	Nguyen, Manh Tien; Nguyen, Truong An ; Tran, Duc Hoan; Le, Van Thao 	Optimization of Superplastic Forming Process of AA7075 Alloy for the Best Wall Thickness Distribution	2021	11	.pdf	application/pdf	4933	274	56	The elongation to fracture for tensile tests of this alloy was achieved below 10% at room temperature (20°C), resulting in its limited applicability in forming processes. +1 +1 20 0.45 13 0 0 0 17.4 0.48 14 0 0 0 17.2 0.48 15 0 0 0 17 0.44 Table 4 ANOVA result for thinning degree model Source Sum of squares Degree of freedom Mean square F-value p-value Significance Model 33.48 9 3.72 38.16 0.0004 Significant A-A 2.00 1 2.00 20.51 0.0062 - B-B 9.90 1 9.90 101.55 0.0002 - C-C 0.2813 1 0.2813 2.88 0.1502 - AB 1.32 1 1.32 13.56 0.0142 - AC 0.0225 1 0.0225 0.2308 0.6512 - BC 1.44 1 1.44 14.77 0.0121 - A² 7.50 1 7.50 76.90 0.0003 - B² 0.7477 1 0.7477 7.67 0.0394 - C² 8.87 1 8.87 90.98 0.0002 - Residual 0.4875 5 0.0975 - - - Lack-of-fit 0.4075 3 0.1358 3.40 0.2358 Not significant Pure error 0.0800 2 0.0400 - - - Corrected total 33.97 14 - - - - R² 0.9856 - - - - - Adjusted R² 0.9598 - - - - - Predicted R 2 0.8028 - - - - - Adequate precision 27.7014 - - - - - 255 Advances in Technology Innovation, vol. 6, no. 4, 2021, pp.	cache/aiti-7835.pdf	txt/aiti-7835.txt