Results 31 to 40 of about 130,626 (265)

REGRESSIONS MODELING OF SURFACE ROUGHNESS IN FINISH TURNING OF HARDENED 205Cr115 STEEL USING FACTORIAL DESIGN METHODOLOGY [PDF]

open access: yesFiabilitate şi Durabilitate, 2011
In this study, in order to find out a mathematical relation of polynomial second degree type whichdescribe, in finish turning of hardened 205 Cr115 steel, the roughness parameter Ra dependence on cuttingedge wear, depth of cut, feed rate and cutting ...
Alexandru STANIMIR   +2 more
doaj  

Top Surface Roughness Modeling for Robotic Wire Arc Additive Manufacturing

open access: yesJournal of Manufacturing and Materials Processing, 2022
Wire Arc Additive Manufacturing (WAAM) has many applications in fabricating complex metal parts. However, controlling surface roughness is very challenging in WAAM processes.
Heping Chen    +2 more
doaj   +1 more source

Xylitol Fluoride Varnish: In Vitro Effect Analysis on Enamel by Atomic Force Microscopy

open access: yesBiomedicines, 2022
(1) Background: Numerous studies have shown the beneficial role of fluoride in the primary prevention of dental caries. The aim of the present study was to put into evidence the change in the enamel structure immediately after the application of a ...
Catalina Iulia Saveanu   +7 more
doaj   +1 more source

Properties of Nanohybrid Dental Composites—A Comparative In Vitro Study

open access: yesBiomedicines
(1) Background: the current study investigated three nanohybrid composites: two commercial products ClearfilMajestyTM (CM) and HarmonizeTM (HU), compared with an experimental product PS2. (2) Methods: Two sample types were molded using Teflon dies.
Mihaela Păstrav   +7 more
doaj   +1 more source

Humanoid Identification of Fabric Material Properties by Vibration Spectrum Analysis

open access: yesSensors, 2018
In daily contexts, fabrics embodied in garments are in contact with human body all the time. Since fabric material properties—such as softness or fineness—can be easily sensed by human fingertips, fabric materials can be roughly identified by
Shuyang Ding, Yunlu Pan, Xuezeng Zhao
doaj   +1 more source

A Modified Weber Number Capturing the Bouncing–Wetting Transition of Droplet Impact on Rough Surfaces

open access: yesAdvanced Materials Interfaces, 2023
In this work, the effects of surface properties on bouncing–wetting transition of water droplet impacting rough surfaces in the Weber number (We) range from 18 to 221 are experimentally investigated.
Yanyao Bao   +3 more
doaj   +1 more source

Inversion of Terrain Slope and Roughness with Satellite Laser Altimeter Full-Waveform Data Assisted by Shuttle Radar Topographic Mission

open access: yesRemote Sensing, 2021
Slope and roughness are basic geophysical properties of terrain surface, and also sources of error in satellite laser altimetry systems. The full-waveform satellite laser altimeter records the complete echo waveform backscattered from the target surface ...
Zhiqiang Zuo   +5 more
doaj   +1 more source

Measurement of Roughness of Internal Surface of Measuring Pipeline in Real Time for Standard Orifice Plates

open access: yesEnergy Engineering and Control Systems, 2015
Methods for measuring the roughness of the internal surface of a measuring pipeline for projected rectilinear sections of a measuring pipeline and for rectilinear sections that are in operation have been determined.
Bohdan Chaban
doaj   +1 more source

Rough Spaces on Covering Based Rough Sets

open access: yesEuropean Journal of Pure and Applied Mathematics, 2019
In this paper, we discuss open (closed) sets, rough interiors, rough closures, continuous mappings,  open (closed) mappings and homeomorphism mappings of  covering based rough topology of Akduman, Özcelik and Özel. We also construct the nano topology on a given covering based rough set.
Alharbi, Nof, Aydi, Hassen, Özel, Cenap
openaire   +3 more sources

Effect of shot peening on surface mechanical properties of selective laser melting TC4 titanium alloy

open access: yesFenmo yejin jishu
Selective laser melting TC4 titanium alloy samples were shot peening with ϕ2.3 mm and ϕ4.0 mm ceramic shots respectively. The surface morphology, surface roughness, surface friction coefficient, surface wear morphology and surface microhardness of the ...
LIU Yiran, LI Lei
doaj   +1 more source

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