TY  - EJOU
AU  - Demiral, M.  
AU  - Roy, A.  
AU  - Silberschmidt, V. V.  

TI  - Effects of Loading Conditions on Deformation Process in Indentation
T2  - Computers, Materials \& Continua

PY  - 2010
VL  - 19
IS  - 2
SN  - 1546-2226

AB  - Static indentation experiments are typically performed to characterize the mechanical properties of a material of interest by a rigid indenter of known geometry to various depths. In contrast, dynamic indentation of materials has not been fully studied. Evaluating material performance under dynamic loading conditions is a challenge and we demonstrate that various modelling schemes may be appropriate for different flavours of dynamic indentation. In order to compare underlying thermo-mechanics and deformation processes in a static and dynamic indentation process, indentation of a rigid indenter into a workpiece to a fixed chosen penetration is extensively studied. A nonlinear strain rate and temperature-sensitive material model is used to characterize the macroscopic response of a titanium-based beta-alloy to indentation.
KW  - Static indentation
KW  -  Dynamic indentation
KW  -  Non-linear material behaviour
KW  -  Finite element analysis

DO  - 10.3970/cmc.2010.019.199