Atomistic insights into the deformation mechanism of a CoCrNi medium entropy alloy under nanoindentation
Understanding the fundamental of contact-induced behavior in metals is critical for the
studies of associated mechanical properties. Although nanocontact plasticity in the …
studies of associated mechanical properties. Although nanocontact plasticity in the …
Atomistic studies of nanoindentation—A review of recent advances
CJ Ruestes, IA Alhafez, HM Urbassek - Crystals, 2017 - mdpi.com
This review covers areas where our understanding of the mechanisms underlying
nanoindentation has been increased by atomistic studies of the nanoindentation process …
nanoindentation has been increased by atomistic studies of the nanoindentation process …
Molecular dynamics simulation of nanoindentation in Al and Fe: On the influence of system characteristics
HT Luu, SL Dang, TV Hoang, N Gunkelmann - Applied Surface Science, 2021 - Elsevier
Indentation is one of the most widely used methods to determine the characteristics of
metallic materials. Molecular dynamics (MD) simulations are a powerful tool to investigate …
metallic materials. Molecular dynamics (MD) simulations are a powerful tool to investigate …
Nanoindentation into a high-entropy alloy–An atomistic study
IA Alhafez, CJ Ruestes, EM Bringa… - Journal of Alloys and …, 2019 - Elsevier
The plastic response of a high-entropy alloy is explored by means of simulated
nanoindentation tests. We compare nanoindentation into the Cantor alloy–an equi-atomic …
nanoindentation tests. We compare nanoindentation into the Cantor alloy–an equi-atomic …
Effects of high entropy and twin boundary on the nanoindentation of CoCrNiFeMn high-entropy alloy: A molecular dynamics study
To study the effects of twin boundary and high-entropy on elastic–plastic behavior of high-
entropy alloys (HEAs), molecular dynamics (MD) was employed to simulate the …
entropy alloys (HEAs), molecular dynamics (MD) was employed to simulate the …
Comparative simulation study of the structure of the plastic zone produced by nanoindentation
Y Gao, CJ Ruestes, DR Tramontina… - Journal of the Mechanics …, 2015 - Elsevier
Using molecular-dynamics simulation, we study nanoindentation in fcc (Cu and Al) and bcc
(Fe and Ta) metals by a spherical indenter and investigate the size of the plastic zone …
(Fe and Ta) metals by a spherical indenter and investigate the size of the plastic zone …
The effect of grain orientation on nanoindentation behavior of model austenitic alloy Fe-20Cr-25Ni
Instrumented nanoindentation was used to investigate the hardness, elastic modulus, and
creep behavior of an austenitic Fe-20Cr-25Ni model alloy at room temperature, with the …
creep behavior of an austenitic Fe-20Cr-25Ni model alloy at room temperature, with the …
Nanoindentation and nanoscratching of iron: Atomistic simulation of dislocation generation and reactions
Y Gao, CJ Ruestes, HM Urbassek - Computational Materials Science, 2014 - Elsevier
Using molecular-dynamics simulation, we study nanoindentation and scratching in an Fe (1
0 0) surface. We find an indentation hardness of 20 GPa in good agreement with experiment …
0 0) surface. We find an indentation hardness of 20 GPa in good agreement with experiment …
Atomistic processes of dislocation generation and plastic deformation during nanoindentation
C Begau, A Hartmaier, EP George, GM Pharr - Acta Materialia, 2011 - Elsevier
To enable plastic deformation during nanoindentation of an initially defect-free crystal, it is
necessary first to produce dislocations. While it is now widely accepted that the nucleation of …
necessary first to produce dislocations. While it is now widely accepted that the nucleation of …
Formation of prismatic loops in AlN and GaN under nanoindentation
The formation of prismatic loops in metals has been studied extensively, but the
corresponding research related to ceramics can rarely be found in the literature. In this …
corresponding research related to ceramics can rarely be found in the literature. In this …