PSI - Issue 56

Laszlo Racz et al. / Procedia Structural Integrity 56 (2024) 3–10

8

6

Author name / Structural Integrity Procedia 00 (2019) 000–000

Fig. 4. Comparative strain-stress curves for all analyzed infill patterns.

Based on the adjusted stress-strain curves the value of the E-modulus for each infill pattern was recalculated, their values comparative with the initial ones based on full cross-section are presented in Table 3.

Table 3. Values of E-modulus for different infill patterns

Specimen’s infill pattern

E-modulus (MPa)

Relative deviation (%)

Calculated (numerical)

Full cross-section

Grid 0°-90° Grid +45-45°

2049.00 1631.00 1892.04 1272.20 2055.26 1877.49

1523.7 1545.2 1484.0 1188.6 1502.8 1733.5

25,4

5,3

Fast Honeycomb Full Honeycomb Triangular 60°

21,6

6,6

26,88 %

Wiggle

7,7 %