Key Factors of the Initiation and Development of Polygonal Wear in the Wheels of a High-Speed Train
Applied Sciences, 2020 The polygonal wear of train wheels occurs commonly in rail transport and increases the wheel–rail interaction force dramatically and has a bad effect on the safety and comfort of the train. The mechanism of polygonal wear needs to be studied.
Yue Wu +4 more
doaj +1 more source
Development of Tool Wear Standards and Wear Mechanism for Micro Milling Ti-6Al-4V Alloy
Metals, 2022 With the rapid development of high-precision-device technology, new demands are put forward for micro milling. The size effect and low cutting energy of micro milling make the process expensive and difficult, especially for Ti-6Al-4V alloys.
Tao Zheng +3 more
doaj +1 more source
Observations of dry wear and the development of an improved wear law
, 2021 Unlubricated wear of metal components is a significant factor in the deterioration of various metal structures and assemblies and has been the focus of intensive research for several decades. Despite this, accurately predicting the quantity and development of wear from information about the geometry, material and loading of the wearing contact appears ...
openaire +2 more sources
A novel method to derive wheel / rail wear coefficient in the field using multi-body dynamics
Nihon Kikai Gakkai ronbunshu, 2021 To predict the wheel/rail profile wear theoretically with dynamic model of the vehicle-track systems, the wear coefficient is necessary and these parameters are generally derived from laboratory tests, such as twin disk test or a pin-on-disk test ...
Satoshi HARA +3 more
doaj +1 more source
Study on the influencing factors in the development process of high-speed train wheel polygon
Advances in Mechanical Engineering, 2022 High-level wheel polygon wear is common in high-speed EMUs. Wheel polygon wear causes high-frequency vibration of vehicles and track systems, which seriously affects the safe operation of vehicles.
Zhi-kun Song +4 more
doaj +1 more source
Journal of Manufacturing and Materials Processing, 2021 Polycrystalline diamond (PCD) tools are widely used in industry due to their outstanding physical properties. However, the ultra-high hardness of PCD significantly limits the machining efficiency of conventional abrasive grinding processes, which are ...
Guangxian Li +5 more
doaj +1 more source
Improvement in the assessment of wear of total knee replacements using coordinate-measuring machine techniques [PDF]
, 2008 Total joint replacement is one of the most common elective surgical procedures performed worldwide, with an estimate of 1.5×106 operations performed annually.
Bills, P. J. +6 more
core +1 more source
Wear Development in Oscillating Rolling Element Bearings
Lubricants, 2023 Rotor blade bearings enable rotor blades to pivot about their longitudinal axis and thus control the power output and reduce the loads acting on the wind turbine.
Sebastian Wandel +4 more
doaj +1 more source
Research Progress of Corrosion and Wear Behavior of Ti (C,N) - Based Cermets [PDF]
Cailiao Baohu, 2022 Ti(C,N)-based cermets are widely used in high-temperature and wear-resistant parts,high-temperature coatings and high-speed cutting tools due to their excellent high-temperature hardness and wear resistance,low friction coefficient and good thermal and ...
QIN Yun, WANG Zongyuan, WANG Jie, PENG Zhuohao, JI Siyuan, WAN Weicai
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Applications of CrAlN ternary system in wood machining of Medium Density Fibreboard (MDF) [PDF]
, 2009 Nowadays, medium density fibreboard (MDF) composite wood is more and more used in the furniture industry to replace bulk wood such as oak, beech, etc. Indeed, this material presents good mechanical properties, is easy to machine, homogeneous, exists in ...
Marchal, R. +10 more
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