Results 31 to 40 of about 4,400 (278)

Research on surface integrity of TC4 titanium alloy by ultrasonic surface rolling peening

open access: yesThe 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
openaire   +1 more source

Corrosion Resistance and Tribological Properties of Laser Cladding Layer of H13 Die Steel Strengthened by Ultrasonic Rolling

open access: yesChinese 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
doaj   +1 more source

Effect of Ultrasonic Rolling on the Surface Integrity and High Temperature Oxidation Properties of Laser Melted NiCrAl Coatings. [PDF]

open access: yesMaterials (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

Study on Effect of Ultrasonic Nanocrystal Surface Modification in Bolt Manufactured by Screw Rolling [PDF]

open access: yes한국정밀공학회지, 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
doaj   +1 more source

Optimization of ultrasonic rolling parameters act on thread root and its influence on the fatigue life of bolts [PDF]

open access: yesITM 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   +3 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

Improved gray wolf optimization algorithm for optimizing ultrasonic rolling parameters of GCr15 steel [PDF]

open access: yesAIP Advances
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
doaj   +1 more source

Exploration of Key Process Parameters and Properties of 40Cr Steel in Ultrasonic Surface Rolling Process

open access: yes, 2022
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
core   +1 more source

Comprehensive Estimation of Changes in the Microgeometry of Steel 45 by Ultrasonic Plastic Deformation with a Free Deforming Element

open access: yesMetals, 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
doaj   +1 more source

Ultrasonic assisted machining of gears with enhanced fatigue resistance: A comprehensive review

open access: yesAdvances in Mechanical Engineering, 2022
In recent years, ultrasonic-assisted machining (UAM) has been widely implemented to improve the performance and element quality of machined products.
Guangxi Li   +5 more
doaj   +1 more source

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