Modeling and Simulation of Nanoindentation | JOM - Springer
网页2017年8月22日 · This article reviews recent progress and challenges for modeling and simulation of nanoindentation, including an overview of molecular dynamics, the quasicontinuum method, discrete dislocation dynamics, and the crystal plasticity finite element method, and discusses how to integrate multiscale modeling approaches seamlessly with experimental ...
Molecular dynamics simulation of nanoindentation on Cu/Ni
网页2016年10月21日 · We performed molecular dynamics simulation of nanoindentation on Cu/Ni nanotwinned multilayer films using a spherical indenter, aimed to investigate the effects of hetero-twin interface and twin...
Designing nanoindentation simulation studies by appropriate …
网页2018年9月1日 · We performed a testbed study by simulating velocity-controlled, fixed displacement nanoindentation on single crystal tungsten using five types of indenter (i) a rigid diamond indenter (DI) with full interactions, (ii) a rigid indenter comprising of the atoms of the same material as that of the substrate i.e. tungsten atoms (TI), (iii) a rigid di...
Simulated nanoindentation into single-phase fcc Fe
网页2023年6月16日 · 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}\)...
Nanoindentation Induced Deformation and Pop-in Events in a …
网页2017年8月31日 · Based on combined study using molecular dynamics simulations and experiments of nanoindentation on Si (100), the versatile deformation modes, including high pressure phase transformation (HPPT),...
PRISMS-Indentation: Multi-scale Elasto-Plastic Virtual Indentation ...
网页2024年1月17日 · The primal–dual active set method and a customized convergence loop enable robust convergence in indentation simulations with indentation depth to radius ratios of up to 0.3. The tool supports unstructured meshes with the ability to reduce degrees of freedom to less than 7% of a full mesh without loss of stability.
FEM Simulation of Nanoindentation - Wiley Online Library
网页2017年8月29日 · The finite-element-method (FEM) simulation of nanoindentation covers a broad spectrum: e.g. single-phase isotropic materials, coatings, graded materials, multiphase materials, porous structures, inverse parameter determination, among others. This chapter gives an overview of the deformation behaviour of isotropic materials and presents selected ...
Review of Nanoindentation Size Effect: Experiments and Atomistic Simulation
网页2017年10月23日 · Voyiadjis and Yaghoobi conducted large-scale MD simulation of Ni thin film during nanoindentation using different indenter geometries of right square prismatic, conical and cylindrical to investigate the proposed …
Nanoindentation and Indentation Size Effects: Continuum Model …
网页2019年2月21日 · For nanoindentation testing, the indentation size effect (ISE) refers to the phenomena of increase in hardness when a shallower indentation depth is applied on crystalline metals. For spherical indenters, the ISE refers to a phenomenon in which hardness increases when the radius of a spherical indenter decreases.
网页The project requires a simulation of rigid spherical indenter indenting into a flat block of viscoelastic material. The results from the simulation will be compared with experimental data to see if the proposed constitutive model holds true.
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