Results 91 to 100 of about 134,165 (299)

Development and characterisation of traceable force measurement for nanotechnology [PDF]

open access: yes
Traceable low force metrology should be an essential tool for nanotechnology. Traceable measurement of micro- and nanonewton forces would allow independent measurement and comparison on material properties, MEMS behaviour and nanodimensional ...
Jones, Christopher W.
core  

A Workflow to Accelerate Microstructure‐Sensitive Fatigue Life Predictions

open access: yesAdvanced Engineering Materials, EarlyView.
This study introduces a workflow to accelerate predictions of microstructure‐sensitive fatigue life. Results from frameworks with varying levels of simplification are benchmarked against published reference results. The analysis reveals a trade‐off between accuracy and model complexity, offering researchers a practical guide for selecting the optimal ...
Luca Loiodice   +2 more
wiley   +1 more source

Air‐Pressure–Actuated Vibroacoustic Metamaterial With Tunable Bandgap: Design, Modeling, and Characterization

open access: yesAdvanced Engineering Materials, EarlyView.
This article presents the design, modeling, and characterization of air‐pressure–actuated programmable vibroacoustic metamaterials (PVAMM). The study focuses on leveraging air pressure to dynamically tune resonance frequencies for effective noise attenuation.
William Kaal   +2 more
wiley   +1 more source

High-Resolution Imaging of Antibodies by Tapping-Mode Atomic Force Microscopy: Attractive and Repulsive Tip-Sample Interaction Regimes [PDF]

open access: yes, 2000
A force microscope operated with an amplitude modulation feedback (usually known as tapping-mode atomic force microscope) has two tip-sample interaction regimes, attractive and repulsive. We have studied the performance of those regimes to imaging single
García, Ricardo, San Paulo, Alvaro
core   +1 more source

Simulation of Wear in Involute Micro Gear

open access: yesJixie chuandong, 2016
In order to further study the microscopic wear mechanisms of micro gear,by using the classical Archard wear equation,combining with JKR(Johnson K L,Kendall K,Roberts A D) theory and GW(Greenwood and Williamson) rough surface model,a simulation model of ...
Shi Wankai   +3 more
doaj  

Creating Ti–Fe α/β Alloys by Diffusion‐Driven Solid‐State Processing

open access: yesAdvanced Engineering Materials, EarlyView.
This study proposes making alloys containing fast diffusing elements that are difficult to produce by ingot metallurgy, by diffusion‐driven solid‐state HIP processing of elemental powders and low‐temperature homogenisation. Here, novel Fe‐Ti α–β alloys are formed having fine α–β lamellae, a small β prior grain size without significant intermetallics ...
Jiaqi Xu   +10 more
wiley   +1 more source

Chaotic oscillation in an attractive Bose-Einstein condensate under an impulsive force [PDF]

open access: yes, 2002
The chaotic oscillation in an attractive Bose-Einstein condensate (BEC) under an impulsive force was discussed using mean-field Gross-Pitaevskii (GP) equation.
Muruganandam, Paulsamy [UNESP]   +3 more
core   +1 more source

Dark Energy and Dark Matter from Emergent Gravity Picture

open access: yesEPJ Web of Conferences, 2018
We suggest that dark energy and dark matter may be a cosmic uroboros of quantum gravity due to the coherent vacuum structure of spacetime. We apply the emergent gravity to a large N matrix model by considering the vacuum in the noncommutative (NC ...
Seok Yang Hyun
doaj   +1 more source

Origin of Attractive Force

open access: yes, 1874
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire   +2 more sources

Solid‐State Diffusion and Intermetallic Phase Formation in Roll‐Bonded Mg–Zn Composites With Kirigami‐Patterned Inlay

open access: yesAdvanced Engineering Materials, EarlyView.
Mg–Zn composites with a thickness of 0.21 mm were fabricated using roll bonding of a kirigami‐patterned Mg alloy inlay within a Zn matrix. Thermal activation following this process led to the formation of tailored intermetallic structures, which provided the composite with enhanced flexural strength.
Yaroslav Frolov   +4 more
wiley   +1 more source

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