Results 1 to 10 of about 7,497 (118)

Effect of Machining-Induced Subsurface Defects on Dislocation Evolution and Mechanical Properties of Materials via Nano-indentation [PDF]

open access: yesNanoscale Research Letters, 2019
Subsurface defects have a significant impact on the precision and performance of nano-structures. In this paper, molecular dynamics simulation of nano-indentation is performed to investigate the effect of machining-induced subsurface defects on ...
Quanlong Wang   +4 more
doaj   +2 more sources

A Nano-indentation Identification Technique for Viscoelastic Constitutive Characteristics of Periodontal Ligaments [PDF]

open access: yesJournal of Biomedical Physics and Engineering, 2016
Introduction: Nano-indentation has recently been employed as a powerful tool for determining the mechanical properties of biological tissues on nano and micro scales.
Ashrafi H., Shariyat M.
doaj   +1 more source

Comparison of the Indentation Processes Using the Single Indenter and Indenter Array: A Molecular Dynamics Study

open access: yesNanoscale Research Letters, 2022
Fabrication of periodic nanostructures has drawn increasing interest owing to their applications of such functional structures in optics, biomedical and power generation devices.
Yanquan Geng   +5 more
doaj   +1 more source

Estimation of directional single crystal elastic properties from nano-indentation by correlation with EBSD and first-principle calculations

open access: yesMaterials & Design, 2023
In this study, a two-step optimisation process for the estimation of the single crystal stiffness tensor from the indentation modulus is presented. This was accomplished by using a 2-dimensional data correlation method for nano-indentation, EBSD and ab ...
Mattis Seehaus   +4 more
doaj   +1 more source

Effect of loading strain rate on nano-indentation response of an aerospace grade epoxy polymer

open access: yeseXPRESS Polymer Letters, 2023
Depth sensing indentation holds the promise of local mechanical properties determination. However, the number of studies on materials that exhibit time-dependent and hydrostatic pressure-dependent behavior is still scarce.
Laura Alejandra Fasce   +2 more
doaj   +1 more source

Mechanical properties of self-ion irradiated pure tungsten using nano-indentation test and micro-tensile test

open access: yesNuclear Materials and Energy, 2022
The existing nano-indentation method and developmental micro-tensile testing method are more attractive in accurately defining the irradiation effect on the mechanical behavior and adopted in this study to identify the detailed irradiation behavior of ...
J.H. Yu, H. Kurotaki, M. Ando, T. Nozawa
doaj   +1 more source

Evaluation of Mechanical Characteristics of Tribofilm Formed on the Surface of Metal Material Due to Friction under Lubrication with Automatic Transmission Fluid

open access: yesTribology Online, 2021
In this study, nano-scratch tests were conducted using atomic force microscope (AFM) to clarify the hardness of a tribofilm derived from an additive (Fluid A or Fluid B in automatic-transmission fluid) formed on an SKS3 cold work tool steel substrate ...
Takayuki Tokoroyama   +8 more
doaj   +1 more source

Microstructure, macro-, and nano-hardness assessment of AISI 302 steel aged at 1000°C [PDF]

open access: yesE3S Web of Conferences, 2023
Changes in the microstructure of the AISI 302 steel must be analyzed in order to optimize its mechanical performance. In this paper, we studied the thermal aging behavior of the AISI 302 steel.
Ben Lenda Omar   +4 more
doaj   +1 more source

Experimental study and crystal plasticity finite element simulations of nano-indentation-induced lattice rotation and the underlying mechanism in TC6 single α-grain

open access: yesMaterials & Design, 2020
A Berkovich indentation test was performed in a single primary α-phase grain of an equiaxed TC6 titanium alloy, to reveal the complex local lattice-rotation process under nano-indentation loading. Numerical simulations using an in-house-developed crystal
Yu Zhou   +4 more
doaj   +1 more source

Effect of Structural Relaxation on the Indentation Size Effect and Deformation Behavior of Cu–Zr–Based Nanoglasses

open access: yesFrontiers in Materials, 2021
In this work, the deformation behavior of as-prepared (AP) and structurally relaxed (SR) Cu–Zr–based nanoglasses (NGs) are investigated using nano- and micro-indentation. The NGs are subjected to structural relaxation by annealing them close to the glass
A Sharma   +5 more
doaj   +1 more source

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