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4篇 您的检索式:作者名="Simon MEDINA"
    题名 作者 年代 出处 被引量
1Does laser surface texturing really have a negative impact on the fatigue lifetime of mechanical components?显示文摘Laser surface texturing(LST)has been proven to improve the tribological performance of machine elements.The micro-scale patterns manufactured by LST may act as lubricant reservoirs,thus supplying oil when encountering insufficient lubrication.However,not many studies have investigated the use of LST in the boundary lubrication regime,likely due to concerns of higher contact stresses that can occur with the increasing surface roughness.This study aims to examine the influence of LST on the fatigue lifetime of thrust rolling bearings under boundary lubrication.A series of periodic patterns were produced on the thrust rolling bearings,using two geometrically different designs,namely cross and dimple patterns.Base oil ISO VG 100 mixed with 0.05 wt%P of zinc dialkyldithiophosphate(ZDDP)was supplied.The bearings with cross patterns reduce the wear loss by two orders of magnitude.The patterns not only retain lubricant in the textured pockets but also enhance the formation of an anti-wear tribofilm.The tribofilm generation may be improved by the higher contact stresses that occur when using the textured surface.Therefore,in contrast to the negative concerns,the ball bearings with cross patterns were instead found to increase the fatigue life by a factor of three.Chia-Jui HSU Andreas STRATMANN Simon MEDINA Georg JACOBS Frank MÜCKLICH Carsten GACHOT 2021Friction2021,9,6:3
2Overview on Bayesian networks applications for dependability, risk analysis and maintenance areas显示文摘Weber P Medina O G Simon C 2012Engineering Applications of Artificial Intelligence2012,25,4:1
3Overview on Bayesian networks applicatins for dependability, risk analysis and maintenance areas 显示文摘Weber P Medina O G Simon C 2012Engineering Applications of Artificial Intelligence2012,25,4:1
4Overcoming cell death and tau phosphorylation mediated by Pl3K-inhibition : a cell assay to measure neuroprotection 显示文摘Simon D Medina M Avila J 2011CNS Neurol Disord Drug Targets2011,10,2:1
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