Results 31 to 40 of about 38,938 (306)
Study on Effect of Ultrasonic Nanocrystal Surface Modification in Bolt Manufactured by Screw Rolling [PDF]
한국정밀공학회지, 2023 This study aimed to determine effects of ultrasonic nanocrystal surface modification (UNSM) as a surface pre-process on performance and surface characteristics of bolts manufactured through a screw rolling process.
Hyeong-Jin Ha +3 more
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Journal of Materials Research and TechnologyUltrasonic surface rolling process (USRP) can improve the fatigue performance of M50 steel, but corrosion during service may affect the anti-fatigue performance.
Shuaixing Wang +5 more
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Effect of Ultrasonic Rolling on the Surface Integrity and High Temperature Oxidation Properties of Laser Melted NiCrAl Coatings. [PDF]
Materials (Basel)This study investigates the effects of ultrasonic surface rolling process (USRP) parameters—static load, indentation depth—on the surface integrity, mechanical properties, and high-temperature oxidation properties of laser-clad NiCrAl ...
Zhang D +5 more
europepmc +2 more sources
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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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 +3 more
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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 +3 more
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Modelling of multiple impacts for the prediction of distortions and residual stresses induced by ultrasonic shot peening (USP) [PDF]
, 2012 During a manufacturing process, the ultrasonic shot peening (USP) technique can be used as the final surface treatment. The aim of this operation is to introduce surface compressive residual stresses in order to prevent crack propagation advancement ...
Taheri, Sahid +10 more
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Improved gray wolf optimization algorithm for optimizing ultrasonic rolling parameters of GCr15 steel [PDF]
AIP AdvancesUltrasonic 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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, 2023 In this paper, the influence of a surface ultrasonic rolling process on the surface integrity of TC4 titanium alloy and its influence on the fatigue properties were studied. By comparing and analyzing the surface roughness, microhardness, residual stress,
Xiaotong Zhu +9 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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