210
7 Impact Resistance of Armor Steel/Ceramic/UHPCC Layered …
Fig. 7.21 Geometric dimensions of armor steel specimen for quasi-static isothermal hot tensile
test
Fig. 7.22 Tensile fracture of specimens a at 100 ~ 700 °C b failed specimen immediately after the
test at 700 °C
Fig. 7.23 True tensile
stress–strain curves of armor
steel at different
temperatures
comparison between the fitting curve of JC constitutive model for 10CrNi3MoV21A
armor steel based on the confirmed parameters (A, B and n) and the test data is given
in Fig. 7.24.
The analysis of strain rate hardening effect on the 10CrNi3MoV21A armor steel
was carried out based on the above SHPB test data. At reference temperature (T * =
1, ε = 0), the expression of the dynamic yield strength of JC constitutive model can
be simplified as
7 Impact Resistance of Armor Steel/Ceramic/UHPCC Layered …
Fig. 7.21 Geometric dimensions of armor steel specimen for quasi-static isothermal hot tensile
test
Fig. 7.22 Tensile fracture of specimens a at 100 ~ 700 °C b failed specimen immediately after the
test at 700 °C
Fig. 7.23 True tensile
stress–strain curves of armor
steel at different
temperatures
comparison between the fitting curve of JC constitutive model for 10CrNi3MoV21A
armor steel based on the confirmed parameters (A, B and n) and the test data is given
in Fig. 7.24.
The analysis of strain rate hardening effect on the 10CrNi3MoV21A armor steel
was carried out based on the above SHPB test data. At reference temperature (T * =
1, ε = 0), the expression of the dynamic yield strength of JC constitutive model can
be simplified as