Results 31 to 40 of about 567,758 (306)

Experimental Research on PVDF Sensing Surface Characteristic Curve Applied to Topography Perception

open access: yesMicromachines, 2020
With the development of intelligent technology, it is of great significance to develop intelligent equipment with topography self-sensing function. The micro morphology perception technology applied to intelligent equipment is the key technology for ...
Zhen Yu, Jing-Xian Yu, Chen-Yang Zhang
doaj   +1 more source

Multifeature Extraction of Three-Dimensional Topography of Carbon Steel Specimen during Fatigue Process

open access: yesAdvances in Materials Science and Engineering, 2021
In order to investigate the variation of three-dimensional metal surface topography during fatigue process, a three-dimensional (3D) topography acquisition platform was built with an in situ tensile tester and a three-dimensional profilometer. Q235 steel
Tao Liu   +5 more
doaj   +1 more source

Feature-Based Characterisation of Turned Surface Topography with Suppression of High-Frequency Measurement Errors

open access: yesSensors, 2022
Errors that occur when surface topography is measured and analysed can be classified depending on the type of surface studied. Many types of surface topographies are considered when frequency-based errors are studied.
Przemysław Podulka
doaj   +1 more source

Enhanced characterization of niobium surface topography

open access: yesPhysical Review Special Topics. Accelerators and Beams, 2011
Surface topography characterization is a continuing issue for the superconducting radio frequency (SRF) particle accelerator community. Efforts are under way to both improve surface topography and its characterization and analysis using various ...
Chen Xu   +3 more
doaj   +1 more source

Object recognition using shape-from-shading [PDF]

open access: yes, 2001
This paper investigates whether surface topography information extracted from intensity images using a recently reported shape-from-shading (SFS) algorithm can be used for the purposes of 3D object recognition.
Hancock, E R, Worthington, P L
core   +2 more sources

Accelerated bone formation by biphasic calcium phosphate with a novel sub-micron surface topography [PDF]

open access: yesEuropean Cells & Materials, 2019
Osteoinductive calcium phosphate (CaP) bone grafts have equivalent performance to autografts in repairing critical-size bone defects. The osteoinductive potential of CaP is linked to the size of the surface topographical features.
R Duan   +5 more
doaj   +1 more source

Analysis of Surface Profile Error of Ultra-Precision Diamond Planing Based on Power Spectral Density

open access: yesApplied Sciences, 2022
Vibration in ultra-precision machining is an inherent physical phenomenon and a key factor affecting surface generation. However, the influence of the vibration characteristics of aerostatic guideways on the machining morphology has not been fully ...
Jianhua Yao, Ziqiang Yin, Yawen Guo
doaj   +1 more source

On the limit to resolution and information on basal properties obtainable from surface data on ice streams [PDF]

open access: yesThe Cryosphere, 2008
An optimal estimation method for simultaneously determining both basal slipperiness and basal topography from variations in surface flow velocity and topography along a flow line on ice streams and ice sheets is presented.
G. H. Gudmundsson, M. Raymond
doaj  

Effect of Surface Topography on Friction and Transfer Layer during Sliding

open access: yesTribology Online, 2008
Surface topography influences friction and transfer layer formation during sliding. In the present investigation, various kinds of surface topography were produced on steel plates.
Pradeep L. Menezes   +2 more
doaj   +1 more source

Modelling the influence of machined surface roughness on the fatigue life of aluminium alloy [PDF]

open access: yes, 2008
The influence of machined surface roughness on the fatigue life of 7010 aluminium alloy has been investigated. Four-point bending specimen have been machined according to various machining conditions and tested in fatigue.
Chieragatti, Rémy   +3 more
core   +1 more source

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