Results 31 to 40 of about 25,453 (205)
Materials, 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, microstructure, and fatigue fracture, the surface strengthening and modification mechanism of TC4 ...
Xiaotong Zhu +4 more
openaire +2 more sources
Ultrasonic assisted machining of gears with enhanced fatigue resistance: A comprehensive review
Advances 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
The measurement of lubricant-film thickness using ultrasound [PDF]
, 2003 Ultrasound is reflected from a liquid layer between two solid bodies. This reflection depends on the ultrasonic frequency, the acoustic properties of the liquid and solid, and the layer thickness.
Astridge D. G. +6 more
core +1 more source
Very high cycle fatigue of copper: Evolution, morphology and locations of surface slip markings [PDF]
, 2014 The surfaces of commercially pure polycrystalline copper specimens subjected to interrupted 20 kHz fatigue tests in the very high cycle fatigue regime were investigated.
FAVIER, Véronique +4 more
core +4 more sources
Non-contact ultrasonic detection of angled surface defects [PDF]
, 2011 Non-destructive testing is an important technique, and improvements are constantly needed. Surface defects in metals are not necessarily confined to orientations normal to the sample surface; however, much of the previous work investigating the ...
Clough, A. R. +3 more
core +1 more source
Coating thickness and elastic modulus measurement using ultrasonic bulk wave resonance [PDF]
, 2006 Measurement of the resonant through thickness ultrasonic modes of a homogeneous plate using a fast Fourier transform of the temporal data can be used to calculate plate thickness very accurately.
Dixon, S. +2 more
core +1 more source
GRAY CORRELATION ANALYSIS OF SURFACE INTEGRITY OF ULTRASONIC-ASSISTED ROLLING GCR15 BEARING STEEL
Jixie qiangdu, 2020 In order to achieve reasonable control of the surface integrity of the workpiece assisted by ultrasonic-assisted rolling. Taking GCr15 bearing steel as the research object,the rotational speed,feed rate and static pressure were selected as the main ...
LEI Jun, SU YongXiang, XU QingJun
doaj
Results in Materials, 2022 The key components of the automatic gun are subjected to the severe working condition of high temperature, transient state and continuous strong impact load in the shooting process, the surface of which using the alloy constructional steel is prone to ...
Dan Liu +6 more
doaj +1 more source
Importance and applications of robotic and autonomous systems (RAS) in railway maintenance sector: a review [PDF]
, 2019 Maintenance, which is critical for safe, reliable, quality, and cost-effective service, plays a dominant role in the railway industry. Therefore, this paper examines the importance and applications of Robotic and Autonomous Systems (RAS) in railway ...
Ackerman +6 more
core +3 more sources
Results in Physics, 2017 Gradient crystalline structure in surface layer of TC11 titanium alloy was obtained through ultrasonic impacting and rolling process. Microstructure, work hardening state, residual stress distribution, and surface roughness in modified layer were ...
Xiaohui Zhao, Guilian Xue, Yu Liu
doaj +1 more source