Results 11 to 20 of about 24,069 (204)

Multi-objective optimization of process parameters for ultrasonic rolling extrusion of 42CrMo material

Mechanics & Industry, 2023
To choose the most suitable method to solve the process parameter optimization of ultrasonic rolling extrusion, the 42CrMo material was taken as the research object. Based on a four-factor five-level orthogonal experiment, the response surface method was
Wang Xiaoqiang, Wang Haojie, Wang Paigang, Zhu Qiping   +3 more
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Improved Ultrasonic Dead Zone Detectability of Work Rolls Using a Convolutional Neural Network

Applied 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, Hun-Hee Kim, Jinhyun Park, Hak-Joon Kim, Sung-Jin Song   +4 more
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Effect of ultrasonic rolling on the surface integrity and corrosion properties of GCr15 steel before and after quenching

Materials Research Express, 2022
Two new surface strengthening processes,Ultrasonic rolling treatment before and after quenching were investigated on GCr15 steel. The surface integrity and corrosion were tested and ABAQUS simulation was conducted for the two processes.
Yongchen Wang, Jianghai Lin, Yanshuang Wang, Xiuli Fu   +3 more
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Monitoring of lubricant film failure in a ball bearing using ultrasound [PDF]

, 2006
A lubricant-film monitoring system for a conventional deep groove ball bearing (type 6016, shaft diameter 80 mm, ball diameter 12.7 mm) is described. A high-firequency (50 MHz) ultrasonic transducer is mounted on the static outer raceway of the bearing ...
Anderson, Astridge, Bruce W. Drinkwater, Cameron, Drinkwater, Dwyer-Joyce, Dyson, Glavatskih, Hamrock, Hamrock, Harris, Hill, Jacobson, Jie Zhang, Krautkramer, Miettinen, Miettinen, Pialucha, Rob S. Dwyer-Joyce, Stachowiak, Zhang, Zhang   +21 more
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Corrosion Resistance and Tribological Properties of Laser Cladding Layer of H13 Die Steel Strengthened by Ultrasonic Rolling

Chinese Journal of Mechanical Engineering, 2022
Laser cladding is a new surface repair method that can improve the wear and corrosion resistance of substrate surfaces. However, the cladding layer typically exhibits a rough surface, high hardness and large residual tensile stress, and thus requires ...
Kaikui Zheng, Youxi Lin, Jianguo Cai, Chengqian Lei   +3 more
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Acoustic measurement of lubricant-film thickness distribution in ball bearings [PDF]

, 2006
An oil-film thickness monitoring system capable of providing an early warning of lubrication failure in rolling element bearings has been developed. The system is used to measure the lubricant-film thickness in a conventional deep groove ball bearing ...
Bruce W. Drinkwater, Cameron, El-Sisi, Jacobson, Jiao, Jie Zhang, Richardson, Rob S. Dwyer-Joyce   +7 more
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The application of ultrasonic NDT techniques in tribology [PDF]

, 2005
The use of ultrasonic reflection is emerging as a technique for studying tribological contacts. Ultrasonic waves can be transmitted non-destructively through machine components and their behaviour at an interface describes the characteristics of that ...
Anderson W., Arakawa T., Buck O., Dwyer-Joyce R. S., Hodgson K., Kräutkramer J., Masuko M., Mott G., Nagy P. B., Povey M. J. W., R. S. Dwyer-Joyce, Tsao M. C, Wooldridge A. B.   +12 more
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Enabling internal electronic circuitry within additively manufactured metal structures - The effect and importance of inter-laminar topography [PDF]

, 2018
Purpose: This paper aims to explore the potential of ultrasonic additive manufacturing (UAM) to incorporate the direct printing of electrical materials and arrangements (conductors and insulators) at the interlaminar interface of parts during manufacture
Friel, RJ, Harris, R, Kay, R, Li, J, Monaghan, T   +4 more
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Optimization of ultrasonic rolling parameters act on thread root and its influence on the fatigue life of bolts [PDF]

ITM Web of Conferences
Due to the large stress concentration at the root of the external thread, fatigue failure is apt to occur when subjected to alternating loads. In present study, to improve the fatigue resistance of threaded components, an ultrasonic rolling method was ...
Liu Xuanyu, Li Lei, Kang Haonan, Zheng Xiaodong   +3 more
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EFFECT OF STATIC PRESSURE ON SURFACE INTEGRITY OF BERYLLIUM COPPER ALLOY TREATED BY ULTRASONIC ROLLING

Jixie 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
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