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. Author manuscript; available in PMC: 2023 Sep 15.
Published in final edited form as: Int J Mech Sci. 2021 Dec;211:10.1016/j.ijmecsci.2021.106774. doi: 10.1016/j.ijmecsci.2021.106774

Table 2:

True stress and the standard deviation (SD) at 0.2 % yield stress (YS) and at 2.5 %, 5 %, and 10 % true plastic strain in compression at 22 °C and 80 °C.

Strain Rate Plastic Strain at 22 °C
Plastic Strain at 80 °C
# of Exp YS 2.5 % 5.0 % 10.0 % # of Exp YS 2.5 % 5.0 % 10.0 %
1/s σ±SD σ±SD σ±SD σ±SD σ±SD σ±SD σ±SD σ±SD
0.0001 2 1008 ± 13 1348 ± 9 1412 ± 11 1461 ± 10 2 978 ± 2 1316 ± 1 1373 ± 1 1403 ± 1
0.01 2 1034 ± 6 1354 ± 4 1417 ± 3 1459 ± 2 2 990 ± 10 1312 ± 1 1363 ± 2 1385 ± 0
1 2 1044 ± 1 1367 ± 9 1433 ± 8 1467 ± 8 2 1027 ± 23 1320 ± 10 1375 ± 5 1412 ± 8
700 1 - 1517 ± - 1580 ± - 0
3000 2 - 1622 ± 9 1658 ± 34 1708 ± 33 2 - 1490 ± 35 1544 ± 2 1548 ± 30