Elastic, plastic, cracking aspects of the hardness of materials

RW Armstrong, WL Elban, SM Walley - International Journal of …, 2013 - World Scientific
The hardness properties of materials are tracked from early history until the present time.
Emphasis is placed on the hardness test being a useful probe for determining the local …

Dislocation emission and propagation under a nano-indenter in a model high entropy alloy

CJ Ruestes, D Farkas - Computational Materials Science, 2022 - Elsevier
The nanoindentation response of a FeNiCrCoCu high-entropy alloy is explored by means of
atomistic simulations. In order to study the role of compositional complexity, we compare the …

Sensitivity of the residual topography to single crystal plasticity parameters in Berkovich nanoindentation on FCC nickel

E Renner, Y Gaillard, F Richard, F Amiot… - International Journal of …, 2016 - Elsevier
Fundamental deformation mechanisms of FCC materials under indentation have been
probed at the grain scale. Experimental tests have been conducted on large-grained …

Crystal plasticity finite-element analysis versus experimental results of pyramidal indentation into (0 0 1) fcc single crystal

B Eidel - Acta Materialia, 2011 - Elsevier
Pyramidal microindentation into the (001) surface of an face-centered cubic (fcc) single
crystal made of a Ni-base superalloy is analyzed in experiment and crystal plasticity finite …

Simulated nanoindentation into single-phase fcc FeNi alloys predicts maximum hardness for equiatomic stoichiometry

I Alabd Alhafez, OR Deluigi, D Tramontina… - Scientific Reports, 2023 - nature.com
We investigate by molecular dynamics simulation the mechanical behavior of concentrated
alloys under nanoindentation for the special example of single-phase fcc Fe x Ni 1-x alloys …

Micromechanics of pyramidal indentation in fcc metals: Single crystal plasticity finite element analysis

J Alcala, O Casals, J Očenášek - Journal of the Mechanics and Physics of …, 2008 - Elsevier
This work concerns analysis of Vickers and Berkovich indentation experiments through
extensive crystal plasticity finite element simulations. The simulations are performed by …

A study on the geometry of dislocation patterns in the surrounding of nanoindents in a TWIP steel using electron channeling contrast imaging and discrete dislocation …

J Zhang, S Zaefferer, D Raabe - Materials Science and Engineering: A, 2015 - Elsevier
Electron channeling contrast imaging under controlled diffraction conditions (cECCI)
enables observation of crystal defects, especially dislocations, stacking faults and nano …

Identification of elasto-viscoplastic material parameters by indentation testing and combined finite element modelling and numerical optimization

G Rauchs, J Bardon - Finite Elements in Analysis and Design, 2011 - Elsevier
Using nanoindentation experiments, the material parameters of an elasto-viscoplastic
material model with non-linear isotropic and kinematic hardening are determined by …

[HTML][HTML] Simulated nanoindentation into single-phase fcc Fe [... formula...] Ni [... formula...] alloys predicts maximum hardness for equiatomic stoichiometry

IA Alhafez, OR Deluigi, D Tramontina… - Scientific …, 2023 - ncbi.nlm.nih.gov
We investigate by molecular dynamics simulation the mechanical behavior of concentrated
alloys under nanoindentation for the special example of single-phase fcc Fe x Ni 1-x alloys …

Multiscale modeling of nanoindentation: From Atomistic to continuum models

PS Engels, C Begau, S Gupta, B Schmaling… - … Analysis of High …, 2014 - Springer
Nanoindentation revealed a number of effects, like pop-in behavior or indentation size
effects, that are very different from the classical mechanical behavior of bulk materials and …