Optimization of process parameters of 3D printed thermoplastic elastomeric materials using statistical modeling with particular reference to mechanical properties and print quality

Functional Composite Materials

Table 2 Printing parameters along with responses of experimental trials

Experiment No.	Layer height (mm), \( {\varvec{X}}_{1}\)	Print speed (mm/s), \( {\varvec{X}}_{2}\)	Ink concentration (%), \( {\varvec{X}}_{3}\)	Shrinkage (%)	Tensile strength (MPa)
1	0.30	12	20	47.80	2.37
2	0.25	15	15	59.30	1.68
3	0.30	12	30	40.00	2.65
4	0.35	15	15	67.75	1.55
5	0.30	12	20	46.90	2.25
6	0.35	9	25	47.54	2.49
7	0.30	6	20	46.50	2.55
8	0.30	12	20	44.20	2.45
9	0.25	9	15	46.75	2.17
10	0.35	9	15	53.00	2.00
11	0.25	15	25	50.70	2.25
12	0.30	12	20	47.10	2.19
13	0.30	12	10	59.96	1.52
14	0.30	12	20	48.10	2.21
15	0.25	9	25	38.50	2.58
16	0.20	12	20	43.00	2.23
17	0.40	12	20	66.20	1.41
18	0.30	12	20	50.20	2.15
19	0.30	18	20	72.50	1.32
20	0.35	15	25	56.27	1.93