[HTML][HTML] Evaluation of thin film material properties using a deep nanoindentation and ANN

G Han, KP Marimuthu, H Lee - Materials & Design, 2022 - Elsevier
Due to the substrate effect, there are several difficulties to evaluate the material properties of
thin films via nanoindentation. In this study, an inverse analysis method based on an artificial …

Understanding plasticity in multiphase quenching & partitioning steels: Insights from crystal plasticity with stress state-dependent martensitic transformation

J Park, Y Hou, J Min, Z Hou, HN Han, B He… - International Journal of …, 2024 - Elsevier
This study develops a novel crystal plasticity (CP) model incorporating deformation-induced
martensitic transformation (DIMT) and transformation-induced plasticity (TRIP) effect to …

[HTML][HTML] A continuum particle model for micro-scratch simulations of crystalline silicon

SO Sperling, JPM Hoefnagels, K van den Broek… - Journal of the …, 2024 - Elsevier
In order to suffice the stringent surface requirements imposed on silicon wafers, thorough
investigation of the fabrication methods is necessary. Typically, the processing conditions for …

Determination of material properties of bulk metallic glass using nanoindentation and artificial neural network

S Park, JH Fonseca, KP Marimuthu, C Jeong, S Lee… - Intermetallics, 2022 - Elsevier
An artificial neural network (ANN) model is combined with finite element (FE)
nanoindentation to evaluate free volume model (FVM) parameters for bulk metallic glass …

On the breakdown of the Nix-Gao model for indentation size effect

P Haušild - Philosophical Magazine, 2021 - Taylor & Francis
ABSTRACT A new approach accounting for the indentation size effect in metals with the
dislocation mediated deformation mechanism is proposed in the paper. The model is based …

Determination of parameters of free volume model for Zr-based BMG via nanoindentation

J Han, U Jeong, Y Lee, KP Marimuthu, H Lee - Intermetallics, 2021 - Elsevier
The mechanical behavior of Zr 55 Cu 30 Ag 15 bulk metallic glass (BMG) was investigated
via the free volume theory. Spherical and Berkovich nanoindentation tests were conducted …

Nanomechanical characterization of the deformation response of orthotropic Ti–6Al–4V

C Rojas-Ulloa, C Bouffioux, AF Jaramillo… - Advanced …, 2021 - Wiley Online Library
The nanoindentation‐induced mechanical deformation response is applied to identify the
orthotropic elastic moduli using the Delafargue and Ulm method as well as to validate the …

[HTML][HTML] Evaluation of mechanical properties of Zr–Cu–Al–Ni TFMG using nanoindentation

U Jeong, J Han, KP Marimuthu, Y Lee, H Lee - Journal of Materials …, 2021 - Elsevier
Nanomechanical properties of thin-film metallic glasses (TFMG) with various thicknesses
can be evaluated through nanoindentation experiments. In this study, zirconium based …

Micromechanical characterization of a wheat-based food material as a function of moisture content

KCC Martinez, R Nemati, PS Takhar - Journal of Food Measurement and …, 2024 - Springer
The microstructural changes in food materials during the baking process directly influence
their micromechanical properties and, thus, the strength of the solid walls. Baking time, as …

Nanoindentation Response of Structural Self-Healing Epoxy Resin: A Hybrid Experimental–Simulation Approach

G Spinelli, R Guarini, E Ivanov, E Calabrese… - Polymers, 2024 - mdpi.com
In recent years, self-healing polymers have emerged as a topic of considerable interest
owing to their capability to partially restore material properties and thereby extend the …