Results 31 to 40 of about 5,544 (292)
Acoustic Emissions and monitoring bearing health [PDF]
Acoustic emission (AE) was originally developed for non-destructive testing of static structures. however, over the years its application has been extended to health monitoring of rotating machines and bearings.
Mba, David
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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 +3 more
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Ultrasonic surface rolling (USRP) is an effective process to improve a workpiece’s fatigue property, in which ultrasonic vibration and static force are applied on the workpiece’s surface.
Qingshan Jiang +7 more
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Optimization of ultrasonic rolling parameters act on thread root and its influence on the fatigue life of bolts [PDF]
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 +3 more
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Experimental study of ultrasonic rolling processing
Abstract The ultrasonic vibration device and the rolling pressure measurement device are added on the ordinary rolling equipment, which form the ultrasonic rolling equipment. Due to the ultrasonic impact, ultrasonic rolling processing can obtain better surface quality and surface reinforcement than ordinary rolling processing.
Zhang Da, Yi chunjie
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Ultrasonic Surface Rolling Process: Properties, Characterization, and Applications
Ultrasonic surface rolling process (USRP) is a novel surface severe plastic deformation (SPD) method that integrates ultrasonic impact peening (UIP) and deep rolling (DR) to enhance the surface integrity and surface mechanical properties of engineering ...
Ashok Kumar Perka +6 more
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Improved gray wolf optimization algorithm for optimizing ultrasonic rolling parameters of GCr15 steel [PDF]
Ultrasonic rolling, a synergistic surface-strengthening technique combining high-frequency vibrations with rolling deformation, offers significant potential for enhancing material surface integrity.
Yeshen Lan, Chuchu Rao, Xi Zeng
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The production flow sheet of 4>60 mm bar products of non-quenching and non-tempering steel C70S6 BY is 60 t UHP EAF-LF-VD-240 mm x240 mm bloom casting-c-ontinuous rolling.
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Study on microstructure of 42CrMo steel by ultrasonic surface rolling process
AbstractTo explore the microstructure formation mechanism of 42CrMo steel under the strengthening of ultrasonic surface rolling process (USRP), the combination of theoretical analysis and experiment was used to conduct in-depth research on USRP. Firstly, according to contact mechanics and Hertz contact theory, the calculation model of contact stress ...
Haojie Wang +3 more
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Measurement of metal–roll interface during metal rolling using normal and oblique ultrasonic reflection [PDF]
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.
Adebayo, A. +3 more
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