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World Academy of Science, Engineering and Technology, International Journal of Materials and Metallurgical Engineering最新文献

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IMPACT TEST ANALYSIS OF NATURAL FIBRE REINFORCED POLYMER COMPOSITES FABRICATED WITH BAST FIBRES FOR INDUSTRIAL/HOUSEHOLD APPLICATIONS 工业/家用用由韧皮纤维制成的天然纤维增强聚合物复合材料的冲击试验分析
World Academy of Science, Engineering and Technology, International Journal of Materials and Metallurgical Engineering Pub Date : 2023-10-30 DOI: 10.17654/0975044423008
E. I. Kalu, M. Skrifvas, P. Khalili, D. Akesson, E. N. Ikezue
{"title":"IMPACT TEST ANALYSIS OF NATURAL FIBRE REINFORCED POLYMER COMPOSITES FABRICATED WITH BAST FIBRES FOR INDUSTRIAL/HOUSEHOLD APPLICATIONS","authors":"E. I. Kalu, M. Skrifvas, P. Khalili, D. Akesson, E. N. Ikezue","doi":"10.17654/0975044423008","DOIUrl":"https://doi.org/10.17654/0975044423008","url":null,"abstract":"The Charpy impact test measures the amount of energy absorbed by a standard notched specimen while breaking under an impact load. The test consists of striking a suitable specimen with a hammer on a pendulum arm while the specimen is held securely at each end. Composites are judicious combination of two or more materials that produces aggregate properties that are different from those of its constituents. Composites are hybrid materials made of a polymer resin reinforced by fibres, combining the high mechanical and physical properties of the fibres and the appearance, bonding and physical properties of the polymers. This work studies the impact strength for given range of temperature (210°C-180°C), force (5-8KN) and time (8-15 mins) for six natural fibres reinforced with polypropylene matrix base. The bast fibres include viscose, rayon, lyocell, linen, jute and hemp. The results show for rayon a maximum impact strength of 32.3144KJ/m2 at a force of 3KN, time of 10 mins and a temperature of 200°C, for viscose a maximum impact strength of 30.7716KJ/m2 at a temperature of 180°C, time of 15 mins and force of 5KN. Lyocell had a maximum impact strength of 29.3869KJ/m2 for an elapsed time of 10 mins, impact force of 3KN and a temperature of 200°C, linen had a maximum strength of 35.8735KJ/m2 at an elapsed time of 10 mins, impact force of 3KN at a temperature of 200°C, jute had a maximum strength of 13.2075KJ/m2 at an elapsed time of 8 mins, impact force of 3KN and a temperature of 210°C, and hemp had a strength of 12.7050KJ/m2 at an elapsed time of 10 mins, impact force of 3KN and a temperature of 200°C. Received: April 29, 2023Revised: May 28, 2023Accepted: June 29, 2023","PeriodicalId":23734,"journal":{"name":"World Academy of Science, Engineering and Technology, International Journal of Materials and Metallurgical Engineering","volume":"44 3","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136068238","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
ADDRESSING THE DRAWBACKS OF PEROVSKITE PHOTOVOLTAICS TO IMPROVE SOLAR ENERGY TECHNOLOGIES: A REVIEW 解决钙钛矿光伏电池的缺点以改进太阳能技术:综述
World Academy of Science, Engineering and Technology, International Journal of Materials and Metallurgical Engineering Pub Date : 2023-10-27 DOI: 10.17654/0975044423007
Andrew Setley, C. P. Wong
{"title":"ADDRESSING THE DRAWBACKS OF PEROVSKITE PHOTOVOLTAICS TO IMPROVE SOLAR ENERGY TECHNOLOGIES: A REVIEW","authors":"Andrew Setley, C. P. Wong","doi":"10.17654/0975044423007","DOIUrl":"https://doi.org/10.17654/0975044423007","url":null,"abstract":"As reliable sources of clean energy become increasingly necessary in modern society, research into photovoltaics as an alternative to conventional fossil fuels has accelerated considerably. Perovskite-based solar cells hold particular promise as a cheaper, easier-to-manufacture alternative to traditional silicon-based devices. In this review paper, perovskites are presented as a class of materials while their common processing methods are analyzed in the context of advancing photovoltaic manufacturing techniques. Their advantages over traditional silicon-based photovoltaics are discussed, and these advantages are contrasted with the current issues facing the wide-scale implementation of the materials in modern devices, particularly, in regards to their chemical stability and environmental/health concerns. Finally, several potential avenues of improvement are offered, including changes to the architecture of the devices and the addition of small-molecule dopants. Received: July 31, 2023Accepted: September 9, 2023","PeriodicalId":23734,"journal":{"name":"World Academy of Science, Engineering and Technology, International Journal of Materials and Metallurgical Engineering","volume":"158 9","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136262603","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
ELECTRONIC STRUCTURES OF MnGe 锰锗的电子结构
World Academy of Science, Engineering and Technology, International Journal of Materials and Metallurgical Engineering Pub Date : 2023-07-17 DOI: 10.17654/0975044423006
T. Jeong
{"title":"ELECTRONIC STRUCTURES OF MnGe","authors":"T. Jeong","doi":"10.17654/0975044423006","DOIUrl":"https://doi.org/10.17654/0975044423006","url":null,"abstract":"","PeriodicalId":23734,"journal":{"name":"World Academy of Science, Engineering and Technology, International Journal of Materials and Metallurgical Engineering","volume":"58 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-07-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84820451","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
THEORETICAL AND NUMERICAL ANALYSES OF SHORT NATURAL FIBERS ORIENTATION IN THERMOPLASTIC MATRIX 天然短纤维在热塑性基体中取向的理论与数值分析
World Academy of Science, Engineering and Technology, International Journal of Materials and Metallurgical Engineering Pub Date : 2023-06-17 DOI: 10.17654/0975044423005
I. Modhaffar
{"title":"THEORETICAL AND NUMERICAL ANALYSES OF SHORT NATURAL FIBERS ORIENTATION IN THERMOPLASTIC MATRIX","authors":"I. Modhaffar","doi":"10.17654/0975044423005","DOIUrl":"https://doi.org/10.17654/0975044423005","url":null,"abstract":"","PeriodicalId":23734,"journal":{"name":"World Academy of Science, Engineering and Technology, International Journal of Materials and Metallurgical Engineering","volume":"18 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-06-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73091006","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
SELECTED RESEARCH BRIEFS ON THE FABRICATION OF VALUE ADDED COMPOSITES USING RECYCLED TEXTILE WASTE AS REINFORCEMENT MATERIAL 选择了利用回收的纺织废料作为增强材料制造增值复合材料的研究简报
World Academy of Science, Engineering and Technology, International Journal of Materials and Metallurgical Engineering Pub Date : 2023-06-06 DOI: 10.17654/0975044423004
R. Parachuru
{"title":"SELECTED RESEARCH BRIEFS ON THE FABRICATION OF VALUE ADDED COMPOSITES USING RECYCLED TEXTILE WASTE AS REINFORCEMENT MATERIAL","authors":"R. Parachuru","doi":"10.17654/0975044423004","DOIUrl":"https://doi.org/10.17654/0975044423004","url":null,"abstract":"","PeriodicalId":23734,"journal":{"name":"World Academy of Science, Engineering and Technology, International Journal of Materials and Metallurgical Engineering","volume":"15 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88805032","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
NEW EXPERIMENTAL ANALYTICAL APPROACH TO STUDY THE EFFECTS OF TEMPERATURE AND IRRADIANCE ON THE PHYSICAL PARAMETERS OF THE SOLAR PHOTOVOLTAIC MODULE IN SUNNY AND TEMPERATE ZONES 研究温度和辐照度对阳光和温带地区太阳能光伏组件物理参数影响的新实验分析方法
World Academy of Science, Engineering and Technology, International Journal of Materials and Metallurgical Engineering Pub Date : 2023-06-06 DOI: 10.17654/0975044423003
Cheikh Touré, P. Sow, S. Mbodji
{"title":"NEW EXPERIMENTAL ANALYTICAL APPROACH TO STUDY THE EFFECTS OF TEMPERATURE AND IRRADIANCE ON THE PHYSICAL PARAMETERS OF THE SOLAR PHOTOVOLTAIC MODULE IN SUNNY AND TEMPERATE ZONES","authors":"Cheikh Touré, P. Sow, S. Mbodji","doi":"10.17654/0975044423003","DOIUrl":"https://doi.org/10.17654/0975044423003","url":null,"abstract":"","PeriodicalId":23734,"journal":{"name":"World Academy of Science, Engineering and Technology, International Journal of Materials and Metallurgical Engineering","volume":"12 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78316118","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
PURE AXIAL SHEAR OF A PSEUDO-ELASTIC LONG CIRCULAR CYLINDRICAL TUBE 拟弹性长圆柱管的纯轴向剪切
World Academy of Science, Engineering and Technology, International Journal of Materials and Metallurgical Engineering Pub Date : 2023-06-02 DOI: 10.17654/0975044423002
Rajesh Kumar
{"title":"PURE AXIAL SHEAR OF A PSEUDO-ELASTIC LONG CIRCULAR CYLINDRICAL TUBE","authors":"Rajesh Kumar","doi":"10.17654/0975044423002","DOIUrl":"https://doi.org/10.17654/0975044423002","url":null,"abstract":"","PeriodicalId":23734,"journal":{"name":"World Academy of Science, Engineering and Technology, International Journal of Materials and Metallurgical Engineering","volume":"52 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-06-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91367106","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
SELECT HIGHLIGHTS OF RECENT RESEARCH ON TURNING TEXTILE WASTE AND RECYCLED TEXTILES INTO BIODIESEL 选择最近关于将纺织废料和回收纺织品转化为生物柴油的研究亮点
World Academy of Science, Engineering and Technology, International Journal of Materials and Metallurgical Engineering Pub Date : 2023-06-01 DOI: 10.17654/0975044423001
R. Parachuru
{"title":"SELECT HIGHLIGHTS OF RECENT RESEARCH ON TURNING TEXTILE WASTE AND RECYCLED TEXTILES INTO BIODIESEL","authors":"R. Parachuru","doi":"10.17654/0975044423001","DOIUrl":"https://doi.org/10.17654/0975044423001","url":null,"abstract":"","PeriodicalId":23734,"journal":{"name":"World Academy of Science, Engineering and Technology, International Journal of Materials and Metallurgical Engineering","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79437107","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
URBAN SOLID WASTE MANAGEMENT IN DINAJPUR CITY: A SOURCE OF RENEWABLE ENERGY 迪纳杰普尔城市固体废物管理:可再生能源的来源
World Academy of Science, Engineering and Technology, International Journal of Materials and Metallurgical Engineering Pub Date : 2022-08-24 DOI: 10.17654/0975044422002
Md. Abdus Sattar, A. Hossain, Mahananda Roy, S. Sultana, M. Alamin, S. Sana
{"title":"URBAN SOLID WASTE MANAGEMENT IN DINAJPUR CITY: A SOURCE OF RENEWABLE ENERGY","authors":"Md. Abdus Sattar, A. Hossain, Mahananda Roy, S. Sultana, M. Alamin, S. Sana","doi":"10.17654/0975044422002","DOIUrl":"https://doi.org/10.17654/0975044422002","url":null,"abstract":"","PeriodicalId":23734,"journal":{"name":"World Academy of Science, Engineering and Technology, International Journal of Materials and Metallurgical Engineering","volume":"97 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-08-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86028472","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
HAMILTONIAN SYMPLECTIC FORMALISM FOR STRUCTURAL SYSTEMS 结构系统的哈密顿辛形式论
World Academy of Science, Engineering and Technology, International Journal of Materials and Metallurgical Engineering Pub Date : 2022-05-20 DOI: 10.17654/0975044422001
M. Arici
{"title":"HAMILTONIAN SYMPLECTIC FORMALISM FOR STRUCTURAL SYSTEMS","authors":"M. Arici","doi":"10.17654/0975044422001","DOIUrl":"https://doi.org/10.17654/0975044422001","url":null,"abstract":"","PeriodicalId":23734,"journal":{"name":"World Academy of Science, Engineering and Technology, International Journal of Materials and Metallurgical Engineering","volume":"24 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81842546","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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