PSI - Issue 64

Pier Francesco Greco et al. / Procedia Structural Integrity 64 (2024) 1888–1895 Pier Francesco Greco/ Structural Integrity Procedia 00 (2019) 000 – 000

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Figure 4. Stress – strain curves from uniaxial compression tests : “M” (a); “MH”(b) ; “MS”(c); Comparison between tensile strength (d) , maximum strain (e) and elastic modulus (f) obtained from uniaxial compression tests on the tested specimens.

Table 2. Mechanical properties of tested specimens under uniaxial compression test

Specimen

 peak (MPa)

ε peak

ε max

E(MPa)

G f

rG f

4.84 4.28 3.82 3.44 5.74 6.03 3.96 3.56 3.69 3.93 3.18 4.31 3.98 4.69 4.93 5.47 3.89

0.034 0.025 0.039 0.033 0.027 0.015 0.046 0.034 0.053 0.051 0.093 0.043 0.034 0.034 0.015 0.023 0.036

0.123 0.096 0.149 0.131 0.086 0.110 0.150 0.136 0.143 0.103 0.136 0.124 0.119 0.135 0.125 0.124 0.125

M1a M1b M21 M2b M3a M3b

328.69 335.44 159.14 202.42 1130.80 1251.80 193.13 230.29 154.18 167.30 162.82 248.34 335.35 705.26 1064.90 802.53 712.69

34.30 23.68 29.03 24.27 30.06 35.71 41.80 36.00 34.30 23.68 29.03 24.27 30.06 35.71 41.80 36.00 41.20

76.1% 79.9% 75.1% 77.0% 86.9% 92.0% 73.3% 82.9% 76.5% 107.3% 43.8% 119.2% 86.7% 112.0% 97.9% 118.6% 69.5%

MH1a MH1b MH2b MH3a MH3b MS1a MS1b MS2a MS2b MS3a MS3b