Results 21 to 30 of about 4,691 (261)
Journal of Magnesium and Alloys, 2022 The pitting corrosion behavior of AZ91 alloy before and after micro-oxidation treatment in 3.5% NaCl solution was investigated by cyclic potentiodynamic polarization (CPDP) and optical and SEM observations of corroded surfaces at different polarization ...
Yuxiang Liu +3 more
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Investigation on particle assisted through-mask electrochemical etching of micro pit array
The International Journal of Advanced Manufacturing Technology, 2022 Abstract Microstructures are applied in various fields to improve the friction and lubrication of mechanical components. Through-mask electrochemical etching (TMEE) has shown good feasibility in machining microstructures array. However, the machining precision of microstructures gradually decreases with increasing etching depth in TMEE ...
Liqun Du +6 more
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Pitting Corrosion of Steel Induced by Al2O3 Inclusions
Metals, 2017 To study the effect of Al2O3 inclusions on pitting corrosion in steel, our researchers utilized industrial pure iron as the raw material with the addition of a proper amount of pure aluminum powder to form Al2O3 inclusions.
Qing Liu +4 more
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Mathematics Model of the Question of Micro-Pits Image with Direction-Uniformity Distribution and Area Scrambling Micro-Pits Image Design Methods Based on Regular Graphics Arrangement [PDF]
Advanced Materials Research, 2013 Mathematical model including design variables, constraint conditions and target functions is raised on the basis of problem description. Using the mathematical model, area scrambling micro-pits image design methods are presented. The methods can generate square area scrambling micro-pits image based on square-aligned-array arrangement, square area ...
Hong Cai Wang, Yang Wang
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Research on Characteristic of Hydrodynamic Bearing with the Surface Micro-pit
Jixie chuandong, 2021 Taking the hydrodynamic bearing with surface micro-pits as the research object， a mathematical model of oil film characteristics is established based on the flow balance of the micro-pits， and the static and dynamic characteristics and stability parameters of the bearing are obtained with the depth and area of the micro-pits.
Shaolin Zhang, Lingxue Li, Boqian Xia
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Surface Damage Evaluation of Rolling Bearings Operating under Low Lambda Conditions
Tribology OnlineMicro-pitting and wear phenomena were studied both experimentally and through simulation, focusing on the relationship between ball roughness and the lambda, Λ, value.
Izyan Iryani Mohd Yazid +3 more
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Nihon Kikai Gakkai ronbunshu, 2015 Design for pitting (surface crack initiated rolling fatigue wear) at rolling-sliding contact surface under mixed lubrication condition is based on the combination of maximum contact pressure (Hertzian stress) and lubrication condition (ratio of surface ...
Susumu MATSUMOTO
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Pitting behavior of welded joint and the role of carbon ring in improving corrosion resistance
Materials & Design, 2019 Pitting behavior and its transition process to cracking were investigated after immersion at 180 °C in pure water and 3.5% NaCl solution for NiCrMoV welded joint manufactured by narrow gap submerged arc welding technology.
Tongjiao Chu +3 more
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Journal of Materials Research and Technology, 2021 The atmospheric corrosion behavior and mechanism of the 7A85 aluminum alloy exposed to the Qingdao industrial-marine atmospheric environment for five years was investigated using the weight-loss method, mechanical property analysis, morphology ...
Qiyue Zhao +5 more
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Improved micro-pitting performance of power transmission gears
, 2022 Gears are one of the most complicated applications of tribology with combined rolling and sliding action on the gear teeth.There is the tendency to increase the amount of power to be transmitted through the gears with the simultaneous need to decrease the size of gears.Also environmental aspects need to be taken into account in modern gear ...
Ronkainen Helena, Varjus Simo
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