Results 31 to 40 of about 28,309 (205)

EFFECT OF STATIC PRESSURE ON SURFACE INTEGRITY OF BERYLLIUM COPPER ALLOY TREATED BY ULTRASONIC ROLLING

open access: yesJixie qiangdu, 2022
To study the effect of static pressure on the surface integrity of beryllium copper alloy during the ultrasonic rolling process, scanning electron microscope, stylus roughness tester, rockwell hardness tester, X-ray diffraction analyzer and ...
LI GuangHui, LIN YouXi, CAI JianGuo
doaj  

Effect of Ultrasonic Surface Rolling Process on Surface Properties and Microstructure of 6061 Aluminum Alloy [PDF]

open access: yesMaterials Research, 2023
Nano-surface layers were prepared on the surface of 6061 aluminum alloy using the ultrasonic surface rolling process (USRP). The surface morphology, surface roughness, microstructure, hardness, and corrosion resistance of 6061 aluminum alloy were ...
Xiquan Ma   +8 more
doaj   +1 more source

Improved Ultrasonic Dead Zone Detectability of Work Rolls Using a Convolutional Neural Network

open access: yesApplied Sciences, 2022
Rolled carbon steel sheets used in industrial and construction sites are formed by passing metal stock between two rotating rolls using a rolling mill, and the work roll is an essential part of the rolling mill.
Yun-Taek Yeom   +4 more
doaj   +1 more source

Coating thickness and elastic modulus measurement using ultrasonic bulk wave resonance [PDF]

open access: yes, 2006
Measurement of the resonant through thickness ultrasonic modes of a homogeneous plate using a fast Fourier transform of the temporal data can be used to calculate plate thickness very accurately.
Dixon, S.   +2 more
core   +1 more source

The Grey-Taguchi method analysis for processing parameters optimization and experimental assessment of 42CrMo steel treated by ultrasonic surface rolling

open access: yesJournal of Materials Research and Technology, 2023
Static force, ultrasonic amplitude, feed rate, and rolling spacing parameters of 42CrMo steel treated by the ultrasonic surface rolling process (USRP) were optimized by the Grey-Taguchi method. Nine sets of experiments based on an orthogonal array design
Yuhui Yang   +5 more
doaj   +1 more source

Importance and applications of robotic and autonomous systems (RAS) in railway maintenance sector: a review [PDF]

open access: yes, 2019
Maintenance, which is critical for safe, reliable, quality, and cost-effective service, plays a dominant role in the railway industry. Therefore, this paper examines the importance and applications of Robotic and Autonomous Systems (RAS) in railway ...
Ackerman   +6 more
core   +3 more sources

GRAY CORRELATION ANALYSIS OF SURFACE INTEGRITY OF ULTRASONIC-ASSISTED ROLLING GCR15 BEARING STEEL

open access: yesJixie qiangdu, 2020
In order to achieve reasonable control of the surface integrity of the workpiece assisted by ultrasonic-assisted rolling. Taking GCr15 bearing steel as the research object,the rotational speed,feed rate and static pressure were selected as the main ...
LEI Jun, SU YongXiang, XU QingJun
doaj  

Visualization of defects images during manual ultrasonic inspection of parts and units of the railway rolling stock

open access: yesВестник Научно-исследовательского института железнодорожного транспорта, 2017
The article suggests a method for visualizing internal defects of parts and units of rolling stock, which is performed by representing defects images on type B and C scans in automated and mechanized ultrasonic testing systems.
A. N. Kireev
doaj   +1 more source

Interaction of laser generated ultrasonic waves with wedge-shaped samples [PDF]

open access: yes, 2012
Wedge-shaped samples can be used as a model of acoustic interactions with samples ranging from ocean wedges, to angled defects such as rolling contact fatigue, to thickness measurements of samples with non-parallel faces.
A. R. Clough   +7 more
core   +1 more source

Measurement of metal–roll interface during metal rolling using normal and oblique ultrasonic reflection [PDF]

open access: yesTribology - Materials, Surfaces & Interfaces, 2019
It is important to monitor the roll bite interface during metal rolling to maintain the product size and homogeneity so as to minimize the material wastage. However, the harsh nature of cold rolling makes installation of sensors in metal roll for industrial applications difficult.
Adeyemi, G.J.   +3 more
openaire   +1 more source

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