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 …

The effect of grain orientation on nanoindentation behavior of model austenitic alloy Fe-20Cr-25Ni

T Chen, L Tan, Z Lu, H Xu - Acta Materialia, 2017 - Elsevier
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 …

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 …

Influence of Si content on the microstructure and mechanical properties of silicon stainless steel

P Setia, T Venkateswaran, KT Tharian, J Jain… - Materials Science and …, 2022 - Elsevier
The influence of Si addition on the microstructure and mechanical behavior of cast silicon
stainless steel alloys was investigated. It was recognized that after incorporation of Si in the …

Characterization of materials, nanomaterials, and thin films by nanoindentation

Z Hu - Microscopy Methods in Nanomaterials …, 2017 - Elsevier
This chapter introduces the concepts that define the mechanical properties characterized by
nanoindentation, the fundamentals of nanoindentation, nanoindentation applications in …

Nanoindentation of hcp metals: a comparative simulation study of the evolution of dislocation networks

IA Alhafez, CJ Ruestes, Y Gao, HM Urbassek - Nanotechnology, 2015 - iopscience.iop.org
Using molecular dynamics simulation, we study the nanoindentation of three hcp metals:
Mg, Ti, and Zr. Both the basal and two prismatic surface planes are considered. We focus on …

Molecular dynamics modeling of nanoindentation

CJ Ruestes, EM Bringa, Y Gao… - … in advanced materials, 2017 - Wiley Online Library
This chapter presents the basics of the method of molecular dynamics (MD) simulation and
explains the issues to consider when applying it to nanoindentation. It focuses on the elastic …

The effect of crystal anisotropy and pre-existing defects on the incipient plasticity of FCC single crystals during nanoindentation

M Bagheripoor, R Klassen - Mechanics of Materials, 2020 - Elsevier
Molecular dynamics simulation is used to identify and quantify the initial plastic deformation
mechanisms of gold as a model face-centered cubic (fcc) metal in the nanoindentation …

Scratching of hcp metals: a molecular-dynamics study

IA Alhafez, HM Urbassek - Computational Materials Science, 2016 - Elsevier
Using molecular-dynamics simulation, we study the scratching of Ti and Mg crystals by a
hard tip. Both the basal and a prismatic surface orientations are considered. We focus on the …

Scratching of nanocrystalline metals: A molecular dynamics study of Fe

Y Gao, HM Urbassek - Applied Surface Science, 2016 - Elsevier
Using molecular dynamics simulation we study the influence of grain boundaries on the
indentation and scratching of Fe crystals by a hard repulsive tip. By comparing the results for …