Correlation of Process Parameters with Mechanical Properties of Laser Sintered PA12 Parts

Table 1

Summarized results of the design of experiments: energy input and resulting part properties for all sample sets. The maximum obtained values are highlighted in bold. “×” denotes sample sets that were excluded from the research.

		TS 0°	EaB 0°	E-modulus 0°	Density 0°	TS 90°	EaB 90°	E-modulus 90°	Density 90°
	[J/mm^3]	[MPa]	[%]	[MPa]	[g/cm^3]	[MPa]	[%]	[MPa]	[g/cm^3]
1	0.731	48.2	25.9	1961	0.932	47.1	11.4	1867	0.951
2	0.391	43.1	14.5	1404	0.904	6.4	2.2	941	0.895
3	0.331	30.4	11.9	1066	0.834	×	×	×	×
4	0.326	31.5	8.1	1647	0.858	11.1	2.7	1284	0.853
5	0.620	46.3	25.6	1664	0.910	38.7	8.6	1502	0.900
6	0.609	49.1	24.1	2239	0.942	44.5	8.4	2004	0.943
7	0.497	49.6	22.9	2191	0.953	46.2	12.1	2171	0.947
8	0.290	19.1	10.0	712	0.748	×	×	×	×
9	0.533	47.5	23.3	1768	0.920	51.2	10.6	1589	0.915
10	0.524	50.1	23.3	1806	0.949	42.6	8.3	1647	0.947
11	0.433	49.6	20.7	1787	0.947	43.0	8.0	1666	0.942
12	0.263	18.3	9.3	719	0.740	×	×	×	×
13	0.866	×	×	×	×	45.9	15.6	1840	0.933
14	0.452	47.4	23.5	1642	0.928	34.2	6.9	1440	0.914
15	0.377	45.3	17.2	1577	0.916	25.5	4.1	1383	0.905
16	0.372	47.2	15.5	1672	0.934	29.7	5.2	1409	0.920
17	0.424	×	×	×	×	×	×	×	×
18	0.424	46.7	18.9	1610	0.931	31.2	5.5	1381	0.917
19	0.424	47.5	21.2	1636	0.935	30.2	4.9	1389	0.917
20	0.424	47.6	19.1	1681	0.938	31.4	5.2	1363	0.916