Results 41 to 50 of about 671,009 (191)

FlexDelta: A flexure-based fully decoupled parallel $xyz$ positioning stage with long stroke [PDF]

open access: yesarXiv, 2023
Decoupled parallel $xyz$ positioning stages with large stroke have been desired in high-speed and precise positioning fields. However, currently such stages are either short in stroke or unqualified in parasitic motion and coupling rate. This paper proposes a novel flexure-based decoupled parallel $xyz$ positioning stage (FlexDelta) and conducts its ...
arxiv  

A Review on Flexural Mode of Graphene: Lattice Dynamics, Thermal Conduction, Thermal Expansion, Elasticity, and Nanomechanical Resonance [PDF]

open access: yesJ. Phys.: Condens. Matter 27 (2015) 083001 (24pp), 2014
Single-layer graphene is so flexible that its flexural mode (also called the ZA mode, bending mode, or out-of-plane transverse acoustic mode) is important for its thermal and mechanical properties. Accordingly, this review focuses on exploring the relationship between the flexural mode and thermal and mechanical properties of graphene.
arxiv   +1 more source

An In vitro Comparative Evaluation of Flexural Strength of Monolithic Zirconia after Surface Alteration Utilising Two Different Techniques [PDF]

open access: yesJournal of Clinical and Diagnostic Research, 2017
Introduction: Chairside surface alteration like grinding is often done by clinicians for adjustment of zirconia restorations. To restore the surface of the prostheses, either polishing or glazing is done.
Ketaki Janardhan Chougule   +1 more
doaj   +1 more source

Practical Analysis of Permeable Concrete Properties with Polypropylene Fiber Addition [PDF]

open access: yesCongresso Brasileiro do Concreto - IBRACON 2020, 2022
One of the recent approaches used to minimize the impacts of the growth of impermeable areas in urban centers is permeable flooring. Permeable floors can be made of concrete and are called permeable concrete. This research aims to analyze the use of polypropylene fibers in the mixture of permeable concrete to assess whether the fibers significantly ...
arxiv  

Degradation mechanism for mechanical property of carbon fiber reinforced epoxy composite under simulated seawater absorption coupled with flexural load

open access: yesJournal of Materials Research and Technology, 2022
Property evolution of carbon fiber reinforced epoxy composite used in marine environment was investigated in this paper. The moisture absorption and flexural properties of carbon fiber composite laminate were studied under the combined pretreatment ...
Yansheng Fan   +4 more
doaj  

Effect of thermal and cryogenic conditioning on flexural behavior of thermally shocked Cu-Al2O3 micro- and nano-composites [PDF]

open access: yesMetallurgical and Materials Transactions A, Volume 45, Issue 3 , pp 1567-1578, 2014, 2014
This investigation has used flexural test to explore the effects of thermal treatments, i.e., high-temperature and cryogenic environments on the mechanical property of alumina particulate-reinforced Cu metal matrix micro and nanocomposites in ex-situ and in-situ conditions. Cu-5 vol. pct alumina micro (10 micron)- and nanocomposites (<50 nm) fabricated
arxiv   +1 more source

Low-Force Elastocaloric Refrigeration via Bending [PDF]

open access: yes, 2021
Elastocaloric cooling has been identified as a promising alternative to high global warming potential vapor compression cooling. Two key bottlenecks to adoption are the need for bulky/expensive actuators to provide sufficient uniaxial stress and inadequate elastocaloric material fatigue life.
arxiv   +1 more source

Assessing influence of active and passive confinement on flexural behaviour of CFST beams

open access: yesGrađevinar, 2019
The aim of this study is to investigate the effect of active and passive confinement on the flexural behaviour of concrete-filled steel tubes. Three-point flexural test is carried out on twelve confined specimens.
Morteza Naghipour   +3 more
doaj   +1 more source

Flexural free vibration as a non-destructive test for evaluation of viscoelastic properties of polymeric composites in bending direction [PDF]

open access: yes, 2015
In many applications, viscoelastic properties of reinforced composites need to be determined prior to their real service life. Such properties can be assured by destructive and non-destructive tests. In this paper, a novel non-destructive test (NDT) method based on flexural free vibration is introduced to investigate the viscoelastic properties of ...
arxiv   +1 more source

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