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Journal of the Egyptian Society of Tribology最新文献

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PERFORMANCE OF EPOXY PROTECTIVE COATING BASED ON NANOFILLERS: A REVIEW 基于纳米填料的环氧防护涂料性能研究进展
Journal of the Egyptian Society of Tribology Pub Date : 2022-10-01 DOI: 10.21608/jest.2022.266533
{"title":"PERFORMANCE OF EPOXY PROTECTIVE COATING BASED ON NANOFILLERS: A REVIEW","authors":"","doi":"10.21608/jest.2022.266533","DOIUrl":"https://doi.org/10.21608/jest.2022.266533","url":null,"abstract":"","PeriodicalId":212154,"journal":{"name":"Journal of the Egyptian Society of Tribology","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133377780","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Triboelectrification of Carbon Fiber Reinforced Epoxy Composites 碳纤维增强环氧复合材料的摩擦起电作用
Journal of the Egyptian Society of Tribology Pub Date : 2022-07-01 DOI: 10.21608/jest.2022.249532
{"title":"Triboelectrification of Carbon Fiber Reinforced Epoxy Composites","authors":"","doi":"10.21608/jest.2022.249532","DOIUrl":"https://doi.org/10.21608/jest.2022.249532","url":null,"abstract":"","PeriodicalId":212154,"journal":{"name":"Journal of the Egyptian Society of Tribology","volume":"58 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124187626","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
EFFECT OF THE CONTACT FORCE ON VOLTAGE OUTPUT OF A TRIBOELECTRIC NANOGENERATOR 接触力对摩擦纳米发电机输出电压的影响
Journal of the Egyptian Society of Tribology Pub Date : 2022-07-01 DOI: 10.21608/jest.2022.249529
{"title":"EFFECT OF THE CONTACT FORCE ON VOLTAGE OUTPUT OF A TRIBOELECTRIC NANOGENERATOR","authors":"","doi":"10.21608/jest.2022.249529","DOIUrl":"https://doi.org/10.21608/jest.2022.249529","url":null,"abstract":"","PeriodicalId":212154,"journal":{"name":"Journal of the Egyptian Society of Tribology","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122374139","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Vibration of 2D FG Higher Order Plates using Differential Integral Quadrature Method 二维FG高阶板振动的微分积分正交法
Journal of the Egyptian Society of Tribology Pub Date : 2022-07-01 DOI: 10.21608/jest.2022.249536
{"title":"Vibration of 2D FG Higher Order Plates using Differential Integral Quadrature Method","authors":"","doi":"10.21608/jest.2022.249536","DOIUrl":"https://doi.org/10.21608/jest.2022.249536","url":null,"abstract":"","PeriodicalId":212154,"journal":{"name":"Journal of the Egyptian Society of Tribology","volume":"115 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123105263","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
INFLUENCE OF SURFACE ROUGHNESS ON THE OUTPUT VOLTAGE OF A TRIBOELECTRIC NANOGENERATOR 表面粗糙度对摩擦纳米发电机输出电压的影响
Journal of the Egyptian Society of Tribology Pub Date : 2022-07-01 DOI: 10.21608/jest.2022.249533
Ameer, Al-Kabbany
{"title":"INFLUENCE OF SURFACE ROUGHNESS ON THE OUTPUT VOLTAGE OF A TRIBOELECTRIC NANOGENERATOR","authors":"Ameer, Al-Kabbany","doi":"10.21608/jest.2022.249533","DOIUrl":"https://doi.org/10.21608/jest.2022.249533","url":null,"abstract":"Triboelectric nanogenerators (TENG) are becoming increasingly popular due to their wide range of uses, ranging from self-powered sensors to energy harvesters, they are devices that make use of the triboelectric effect in order to convert mechanical energy into electric energy. However, in order for them to be as effective as possible, complicated surface geometries are often used. The present study investigates a cheap method of obtaining desirable surfaces for use in TENG, using commercial emery paper to roughen one of their two surfaces. It was found that increasing the grit and thus decreasing the particle size of the emery paper used in roughening the surface increased the output open circuit voltage of the triboelectric nanogenerator. It is concluded that emery paper works as a cheap method of roughening one of the two surfaces of a TENG, and increasing the number of contacting asperities leading to the increase of electrostatic charge. It was found that as the value of the applied load increases, the output voltage increases, due to the increase of the actual contact area of the TENG.","PeriodicalId":212154,"journal":{"name":"Journal of the Egyptian Society of Tribology","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121565107","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
DESIGN AND NUMERICAL ANALYSIS OF VERTICAL AXIS WIND TURBINE FOR ENERGY HARVESTING FROM HIGH-WAY VEHICLES MOTION 高速公路车辆运动能量收集垂直轴风力机设计与数值分析
Journal of the Egyptian Society of Tribology Pub Date : 2022-07-01 DOI: 10.21608/jest.2022.249531
{"title":"DESIGN AND NUMERICAL ANALYSIS OF VERTICAL AXIS WIND TURBINE FOR ENERGY HARVESTING FROM HIGH-WAY VEHICLES MOTION","authors":"","doi":"10.21608/jest.2022.249531","DOIUrl":"https://doi.org/10.21608/jest.2022.249531","url":null,"abstract":"","PeriodicalId":212154,"journal":{"name":"Journal of the Egyptian Society of Tribology","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131837896","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
TRIBOLOGICAL PERFORMANCE OF ANTIWEAR ADDITIVE DISPERSED IN HYDRAULIC OIL 分散在液压油中的抗磨添加剂的摩擦学性能
Journal of the Egyptian Society of Tribology Pub Date : 2022-07-01 DOI: 10.21608/jest.2022.249534
Touny
{"title":"TRIBOLOGICAL PERFORMANCE OF ANTIWEAR ADDITIVE DISPERSED IN HYDRAULIC OIL","authors":"Touny","doi":"10.21608/jest.2022.249534","DOIUrl":"https://doi.org/10.21608/jest.2022.249534","url":null,"abstract":"The antiwear properties of hydraulic oils containing zinc dialkyl dithiophosphates are discussed. The tested additives are added to hydraulic oil at different concentrations. Tests were carried out to investigate the friction and wear of steel lubricated by these additives using pin on disc wear tester. The experiments of the present work reveals that friction coefficient significantly increased as the applied load increased. Addition of the additive into hydraulic oil decreased friction coefficient, where the lowest friction values were observed at 1.0 wt. % of the additive content. The same trend was observed when the test specimens were lubricated by relatively high viscosity hydraulic oil. Besides, wear decreased with increasing additive content. The lowest values were measured for the 1.0 wt. % additive content. The viscosity improver decreased the values of wear. The decrease of friction and wear can be attributed to the decomposition products of the additive that work as solid lubricants. While increasing the viscosity enabled the oil to form relatively thicker oil film between the sliding surfaces.","PeriodicalId":212154,"journal":{"name":"Journal of the Egyptian Society of Tribology","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131387503","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
INVESTIGATION OF THE INFLUENCE OF ANTIWEAR ADDITIVES DISPERSED IN HYDRAULIC OIL ON FRICTION AND WEAR 分散在液压油中的抗磨添加剂对摩擦磨损影响的研究
Journal of the Egyptian Society of Tribology Pub Date : 2022-07-01 DOI: 10.21608/jest.2022.249535
{"title":"INVESTIGATION OF THE INFLUENCE OF ANTIWEAR ADDITIVES DISPERSED IN HYDRAULIC OIL ON FRICTION AND WEAR","authors":"","doi":"10.21608/jest.2022.249535","DOIUrl":"https://doi.org/10.21608/jest.2022.249535","url":null,"abstract":"","PeriodicalId":212154,"journal":{"name":"Journal of the Egyptian Society of Tribology","volume":"1 3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120959373","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
VOLTAGE GENERATED FROM TRIBOELECTRIFICATION OF RABBIT FUR AND POLYMERIC MATERIALS 兔毛与高分子材料摩擦通电产生的电压
Journal of the Egyptian Society of Tribology Pub Date : 2022-07-01 DOI: 10.21608/jest.2022.249530
{"title":"VOLTAGE GENERATED FROM TRIBOELECTRIFICATION OF RABBIT FUR AND POLYMERIC MATERIALS","authors":"","doi":"10.21608/jest.2022.249530","DOIUrl":"https://doi.org/10.21608/jest.2022.249530","url":null,"abstract":"","PeriodicalId":212154,"journal":{"name":"Journal of the Egyptian Society of Tribology","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129595531","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
HARDNESS AND TRIBOLOGICAL PROPERTIES OF PMMA COMPOSITE REINFORCED BY HYBRID GRAPHENE AND TiO2 NANOPARTICLES USED IN DENTAL APPLICATIONS 应用于牙科的石墨烯和二氧化钛纳米颗粒增强PMMA复合材料的硬度和摩擦学性能
Journal of the Egyptian Society of Tribology Pub Date : 2022-04-01 DOI: 10.21608/jest.2022.231178
Badran
{"title":"HARDNESS AND TRIBOLOGICAL PROPERTIES OF PMMA COMPOSITE REINFORCED BY HYBRID GRAPHENE AND TiO2 NANOPARTICLES USED IN DENTAL APPLICATIONS","authors":"Badran","doi":"10.21608/jest.2022.231178","DOIUrl":"https://doi.org/10.21608/jest.2022.231178","url":null,"abstract":"Due to the PMMA resin has a widespread in dental restorations, the current study focused on assessing the tribological properties of the composite filled with nano-filling. The hybrid nano-filler used in this research is graphene and TiO 2 nanoparticles. Loading filler amount of TiO 2 nanoparticles 0.25, 0.5, and 0.75 wt. %, while graphene adds with amount of 0.5 and 1.0wt. %. The reciprocating tribometer was used to perform the tribological properties of the composites. Moreover, the hardness was evaluated via durometer Shore D. It was found that a good enhancement in the mechanical and tribological properties of PMMA composites. According to experimental results, it can conclude that, PMMA nanocomposites with filler content of 1.0 wt. % of graphene and 0.25 wt. % TiO 2 nanoparticles recorded the best wear resistance performance comparing with pure specimen.","PeriodicalId":212154,"journal":{"name":"Journal of the Egyptian Society of Tribology","volume":"112 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117270464","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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