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Journal of the Egyptian Society of Tribology最新文献

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ELECTRONIC SKIN BASED ON TRIBOELECTRIFICATION AND ELECTROSTATIC INDUCTION 基于摩擦通电和静电感应的电子皮肤
Journal of the Egyptian Society of Tribology Pub Date : 2023-04-01 DOI: 10.21608/jest.2023.298053
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引用次数: 1
ELECTROSTATIC CHARGE GENERATED FROM THE CONTACT-SEPARATION AND SLIDING OF POLYAMIDE AND POLYESTER STRINGS BLENDED BY CARBON FIBERS ON COTTON 由碳纤维在棉上混纺的聚酰胺和聚酯线接触分离和滑动产生的静电电荷
Journal of the Egyptian Society of Tribology Pub Date : 2023-04-01 DOI: 10.21608/jest.2023.298051
{"title":"ELECTROSTATIC CHARGE GENERATED FROM THE CONTACT-SEPARATION AND SLIDING OF POLYAMIDE AND POLYESTER STRINGS BLENDED BY CARBON FIBERS ON COTTON","authors":"","doi":"10.21608/jest.2023.298051","DOIUrl":"https://doi.org/10.21608/jest.2023.298051","url":null,"abstract":"","PeriodicalId":212154,"journal":{"name":"Journal of the Egyptian Society of Tribology","volume":"64 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126607642","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: 2
ENHANCING THE PERFORMANCE AND COMFORT OF POLYMERIC TEXTILES 提高高分子纺织品的性能和舒适度
Journal of the Egyptian Society of Tribology Pub Date : 2023-04-01 DOI: 10.21608/jest.2023.298043
{"title":"ENHANCING THE PERFORMANCE AND COMFORT OF POLYMERIC TEXTILES","authors":"","doi":"10.21608/jest.2023.298043","DOIUrl":"https://doi.org/10.21608/jest.2023.298043","url":null,"abstract":"","PeriodicalId":212154,"journal":{"name":"Journal of the Egyptian Society of Tribology","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130643510","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: 2
TRIBOELECTRIC NANOGENERATOR BASED ON TRIBOELECTRIFICATION AND MAGNETIC FIELD 基于摩擦电和磁场的摩擦电纳米发电机
Journal of the Egyptian Society of Tribology Pub Date : 2023-04-01 DOI: 10.21608/jest.2023.298031
{"title":"TRIBOELECTRIC NANOGENERATOR BASED ON TRIBOELECTRIFICATION AND MAGNETIC FIELD","authors":"","doi":"10.21608/jest.2023.298031","DOIUrl":"https://doi.org/10.21608/jest.2023.298031","url":null,"abstract":"","PeriodicalId":212154,"journal":{"name":"Journal of the Egyptian Society of Tribology","volume":"74 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125140915","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 NANO-ZIRCONIA ADDITION ON THE MECHANICAL PROPERTIES OF AL-7075 REINFORCED BY NANO-BORON CARBIDE AND ALUMINUM DIOXIDE 纳米氧化锆对纳米碳化硼和氧化铝增强al-7075力学性能的影响
Journal of the Egyptian Society of Tribology Pub Date : 2023-04-01 DOI: 10.21608/jest.2023.298041
{"title":"INFLUENCE OF NANO-ZIRCONIA ADDITION ON THE MECHANICAL PROPERTIES OF AL-7075 REINFORCED BY NANO-BORON CARBIDE AND ALUMINUM DIOXIDE","authors":"","doi":"10.21608/jest.2023.298041","DOIUrl":"https://doi.org/10.21608/jest.2023.298041","url":null,"abstract":"","PeriodicalId":212154,"journal":{"name":"Journal of the Egyptian Society of Tribology","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122216665","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
PROPER MATERIAL SELECTION FOR A TRIBOELECTRIC NANOGENERATOR 摩擦电纳米发电机的正确材料选择
Journal of the Egyptian Society of Tribology Pub Date : 2023-04-01 DOI: 10.21608/jest.2023.298049
{"title":"PROPER MATERIAL SELECTION FOR A TRIBOELECTRIC NANOGENERATOR","authors":"","doi":"10.21608/jest.2023.298049","DOIUrl":"https://doi.org/10.21608/jest.2023.298049","url":null,"abstract":"","PeriodicalId":212154,"journal":{"name":"Journal of the Egyptian Society of Tribology","volume":"85 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124993979","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
PERFORMANCE OF TRIBOELECTRIC NANOGENERATOR ENHANCED BY ELECTROSTATIC INDUCTION 静电感应增强摩擦纳米发电机性能
Journal of the Egyptian Society of Tribology Pub Date : 2023-04-01 DOI: 10.21608/jest.2023.298035
{"title":"PERFORMANCE OF TRIBOELECTRIC NANOGENERATOR ENHANCED BY ELECTROSTATIC INDUCTION","authors":"","doi":"10.21608/jest.2023.298035","DOIUrl":"https://doi.org/10.21608/jest.2023.298035","url":null,"abstract":"","PeriodicalId":212154,"journal":{"name":"Journal of the Egyptian Society of Tribology","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129779093","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
WEAR OF HIGH DENSITY POLYETHYLENE REINFORCED BY SINGLE WALL CARBON NANOTUBES AND ALUMINIUM OXIDE NANOPARTICLES FOR BEARING MATERIALS APPLICATIONS 由单壁碳纳米管和氧化铝纳米颗粒增强的高密度聚乙烯耐磨轴承材料应用
Journal of the Egyptian Society of Tribology Pub Date : 2023-01-01 DOI: 10.21608/jest.2023.284025
K. Hamdy
{"title":"WEAR OF HIGH DENSITY POLYETHYLENE REINFORCED BY SINGLE WALL CARBON NANOTUBES AND ALUMINIUM OXIDE NANOPARTICLES FOR BEARING MATERIALS APPLICATIONS","authors":"K. Hamdy","doi":"10.21608/jest.2023.284025","DOIUrl":"https://doi.org/10.21608/jest.2023.284025","url":null,"abstract":"Bearing materials must withstand the extremely hard operations affairs through unique tribological and mechanical properties. Various types of polymers exhibit acceptable solutions as bearing materials because of their high weight ratio and self-lubrication materials. In the current work, tribological properties of bearing material high-density polyethylene (HDPE) reinforced by 0.1 aluminium oxide (Al 2 O 3 ) nanoparticles and 0.1– 0.5 wt. % single wall carbon nanotubes ( SWCNTs) were investigated in order to enhance the tribological and mechanical properties The Nano-composite specimens were prepared in cylindrical shape and they were subjected to friction and wear tests using pin on disc tribometer. The specimens were tested as counterparts and the disk was made from stainless steel. Wear tests were done each exactly 120 sec., and the weight losses calculated by weighing the specimens before and after the test. It is noticed that the HDPE nano-composite specimen with additives of SWCNTs 0.5 wt. % gives the specific optimum tribological properties and the coefficient of friction was reduced by 30% in comparing with pure HDPE material.","PeriodicalId":212154,"journal":{"name":"Journal of the Egyptian Society of Tribology","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114837288","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 PROPERTIES OF HIGH DENSITY POLYETHYLENE FILLED BY GRAPHENE OXIDE NANO PARTICLES 氧化石墨烯纳米颗粒填充高密度聚乙烯的摩擦学性能
Journal of the Egyptian Society of Tribology Pub Date : 2023-01-01 DOI: 10.21608/jest.2023.284014
{"title":"TRIBOLOGICAL PROPERTIES OF HIGH DENSITY POLYETHYLENE FILLED BY GRAPHENE OXIDE NANO PARTICLES","authors":"","doi":"10.21608/jest.2023.284014","DOIUrl":"https://doi.org/10.21608/jest.2023.284014","url":null,"abstract":"Graphene oxide (GO) is favored as a filler material in polymer matrix composites because it has higher aspect ratios than many nanosize fillers, such as carbon nanotubes, in addition to having better mechanical qualities than many polymers. In this study, the tribological properties of high density polyethylene (HDPE) were experimentally studied in relation to the effects of GO nanoparticles and vegetables oils. By using the melt compounding process, the nanocomposites (HDPE – GO - vegetables oils) were manufactured. The molded nanocomposite were then tested for friction and wear tests. According to the findings, the addition of GO improved the friction and wear behavior of the composites. With GO loading fractions of 0, 0.06, 0.12, 0.25, 0.5, and 1.0 wt. %, the wear and coefficient of friction values were drastically reduced. The corn and olive oils were added by 10 wt. % to the composites.","PeriodicalId":212154,"journal":{"name":"Journal of the Egyptian Society of Tribology","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116396552","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
CONDITION MONITORING OF LOCALIZED OUTER RACE DEFECTS OF TAPER ROLLER BEARINGS USING VIBRATION ANALYSIS 基于振动分析的圆锥滚子轴承局部外滚道缺陷状态监测
Journal of the Egyptian Society of Tribology Pub Date : 2023-01-01 DOI: 10.21608/jest.2023.284023
Ahmed A. Gad El-Mawla
{"title":"CONDITION MONITORING OF LOCALIZED OUTER RACE DEFECTS OF TAPER ROLLER BEARINGS USING VIBRATION ANALYSIS","authors":"Ahmed A. Gad El-Mawla","doi":"10.21608/jest.2023.284023","DOIUrl":"https://doi.org/10.21608/jest.2023.284023","url":null,"abstract":"Defects in bearings may arise during use or during the manufacturing process such as crack damage, spalling, corrosion, fatigue failure, etc. The detection of the defects is important for condition monitoring as well as quality inspection of bearings. Vibration analysis is the most common method used in monitoring applications since a local defect produces successive impulses at every contact of defect. The aim of this paper is to focus on investigating the position of the local defect on the outer race is changed 0˚, 45˚ and 180˚. The different angular defect position is studied at zero clearance, ε = 0.5, by using the statistical parameters RMS. It can be concluded that the acceleration RMS ratio is more effective in detecting the defect for acceleration response.","PeriodicalId":212154,"journal":{"name":"Journal of the Egyptian Society of Tribology","volume":"50 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116754806","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
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