Modelling the Influence of Manufacturing Process Variables on Dimensional Changes of Porcelain Tiles

Table 4

Experimental values of springback (𝑆₂) as a function of the powder moisture content (𝑊₀) and compaction pressure (𝑃₁) with the data interval error at 95% confidence level.

−𝑆2 (%)	𝑊0(%)
	3.11	4.59	5.67	7.18
𝑃1 (MPa)
19.61	1.21±0.05	1.08±0.04	1.07±0.01	1.00±0.02
29.42	1.23±0.09	1.14±0.04	1.10±0.01	1.02±0.06
39.23	1.27±0.02	1.14±0.09	1.14±0.13	1.03±0.06
49.03	1.29±0.01	1.21±0.04	1.16±0.04	1.05±0.02