Results 21 to 30 of about 25,453 (205)
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 +4 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. +12 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 ConferencesDue 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 +3 more
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The effects of material combination and surface roughness in lubricated silicon nitride/steel rolling contact fatigue [PDF]
, 2003 Four kinds of commercially finished 12.7 min HIPed silicon nitride bearing balls with surface roughness values R-a ranging from 0.002 to 0.016 mum were tested using a four-ball rolling configuration.
Ahmed, R, Hadfield, M, Kang, J
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Improving fatigue performance of surface-damaged Ti-6Al-4V alloy via ultrasonic surface rolling process [PDF]
MATEC Web of Conferences, 2020 Surface damages caused by markings, like laser marking and mechanical marking are detrimental to the fatigue performance of the components. To improve the fatigue performance of laser marked or mechanical marked Ti-6Al-4V alloy, ultrasonic surface ...
Ao Ni, Liu Daoxin, Zhang Xiaohua
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The phase shift of an ultrasonic pulse at an oil layer and determination of film thickness [PDF]
, 2005 An ultrasonic pulse incident on a lubricating oil film in a machine element will be partially reflected and partially transmitted. The proportion of the wave amplitude reflected, termed the reflection coefficient, depends on the film thickness and the ...
Astridge D. G. +4 more
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Research on surface integrity of TC4 titanium alloy by ultrasonic surface rolling peening
The International Journal of Advanced Manufacturing Technology, 2023 Abstract In order to investigate the effects of different process parameters on the surface integrity of TC4 specimens and the effect of ultrasonic-assisted rolling strengthening on the enhancement of microstructure and mechanical properties of TC4 specimens, this paper uses TC4 titanium alloy specimens as the test object for ultrasonic ...
Yi Wang +4 more
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Metals, 2023 A method of ultrasonic surface plastic deformation is widely used to change the properties of the surface layers of metal products. Under the influence of this type of treatment, the structure of the material changes, microhardness increases, roughness ...
Dmitriy S. Fatyukhin +4 more
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Operating limits for acoustic measurement of rolling bearing oil film thickness [PDF]
, 2003 An ultrasonic pulse striking a thin layer of liquid trapped between solid bodies will be partially reflected. The proportion reflected is a function of the layer stiffness, which in turn depends on the film thickness and its bulk modulus.
Bruce W Drinkwater +5 more
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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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