PSI - Issue 28

S. Raghavendra et al. / Procedia Structural Integrity 28 (2020) 517–524 Author name / Structural Integrity Procedia 00 (2019) 000–000

521

5

Figure 3 Monotonic test stress strain curves (a) Tensile test (b) Compression Test

Figure 4 Cyclic test stress strain curve (a) Tensile test (b) Compression test

Table 2. Comparison of Young's Modulus

Tensile Young’s Modulus (GPa)

Compression Young’s Modulus (GPa)

Sample

Monotonic

Cyclic

Monotonic

Cyclic

Cubic

16.31

15.42 (0.17) 8.20 (0.61) 1.21 (0.17) 6.61 (0.37)

13.43

11.29 (1.24) 6.26 (0.32) 0.91 (0.01) 6.39 (0.39)

Star-shaped

8.25 1.12 7.34

4.47 0.64 2.82

X-shaped

Trabecular

Table 3 Comparison of strength values

0.2% offset yield strength (MPa)

Maximum Strength (MPa)

Sample

Tensile

Compression

Tensile

Compression

Cubic

100.0

111.0

107.8

125.6

Star-shaped

47.6

48.0

60.7

78.7

X-shaped

18.1

17.1

28.3

24.7

Trabecular

56.0

55.0

67.1

85.5