Journal of Minerals and Materials Characterization and Engineering最新文献_第5页

Hybrid Composite Based on Natural Rubber Reinforced with Short Fibers of the Triumfetta cordifolia/Saccharum officinarum L.: Performance Evaluation 基于天然橡胶增强短纤维的甘露/糖蜜复合材料性能评价

Journal of Minerals and Materials Characterization and Engineering Pub Date : 2022-01-01 DOI: 10.4236/jmmce.2022.105027

A. Njom, A. Mewoli, Marie Josette Ndengue, F. B. Ebanda, Augustine Demze Nitidem, Sandrine Biloa Otiti, Yannick Devario Youssi Bang, Legrand Ndoumou Belinga, Pierre Marcel Anicet Noah, A. Ateba

{"title":"Hybrid Composite Based on Natural Rubber Reinforced with Short Fibers of the <i>Triumfetta cordifolia/Saccharum officinarum</i> L.: Performance Evaluation","authors":"A. Njom, A. Mewoli, Marie Josette Ndengue, F. B. Ebanda, Augustine Demze Nitidem, Sandrine Biloa Otiti, Yannick Devario Youssi Bang, Legrand Ndoumou Belinga, Pierre Marcel Anicet Noah, A. Ateba","doi":"10.4236/jmmce.2022.105027","DOIUrl":"https://doi.org/10.4236/jmmce.2022.105027","url":null,"abstract":"This article contributes to the development of the new class of fully biode-gradable “green” composites by combining fibers (natural/bio) with biode-gradable resin. The vegetable fibers (Triumfetta cordifolia and sugarcane bagasse) treated with NaOH and bleached were incorporated into a natural rubber matrix. The influence of the fiber ratio on the physical properties, tensile strength and surface hardness of the hybrid composites was analyzed. The results show that the addition of fibers in the natural rubber matrix increases the water absorption capacity but gradually reduces it with increasing fiber ratio. The hybrid composites of the NRT50-50B proportions show the best tensile strengths at 20 phr and a shore A hardness of 43.7 at 30 phr. The combination of two fibers has improved the physical and mechanical properties of the hybrid composites which can be used in engineering applications.","PeriodicalId":16488,"journal":{"name":"Journal of Minerals and Materials Characterization and Engineering","volume":"217 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79666692","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: 5

Experimental Alternative to the Determination of the Thermal Dependence of the Complex Modulus of Asphalt Mixes in Dry Tropical Areas 干燥热带地区沥青混合料复合模量热依赖性测定的实验替代

Journal of Minerals and Materials Characterization and Engineering Pub Date : 2022-01-01 DOI: 10.4236/jmmce.2022.103021

Sidpouita Mathilde Koudougou, G. C. Tubreoumya, D. Toguyeni, Tégawendé Justin Zaida

{"title":"Experimental Alternative to the Determination of the Thermal Dependence of the Complex Modulus of Asphalt Mixes in Dry Tropical Areas","authors":"Sidpouita Mathilde Koudougou, G. C. Tubreoumya, D. Toguyeni, Tégawendé Justin Zaida","doi":"10.4236/jmmce.2022.103021","DOIUrl":"https://doi.org/10.4236/jmmce.2022.103021","url":null,"abstract":"Current pavement design methods do not allow for the reduction of early deformation of the surface layers of bituminous pavements in the city of Ouagadougou. Weather conditions combined with traffic, particularly during heat waves, are factors. The temperature at the surface of the bituminous pavement can reach 62˚C but the complex modulus associated with this temperature is not taken into account in the design, hence the interest in pro-posing laws of dependence of the complex moduli is taken into account in the maximum temperatures of the pavement surface. The objective of this paper is to propose an experimental method to determine the temperature dependence of the complex moduli of asphalt mixes for temperatures between 40˚C and 70˚C. This experimental method consists of performing axial compression tests on cylindrical asphalt specimens. It was applied to three different formulas of bituminous mixes, intended for the wearing course, obtained from mixes of crushed granites, granular classes 6/10, 4/6 and 0/4, pure bitumens of grade 50/70, 35/50 and modified bitumen of grade 10/65. The com-parative study of the experimental results obtained with the results of a semi-empirical ing the modulus of rigidity for design purposes under real pavement exposure conditions in the city of Ouagadougou during heat waves.","PeriodicalId":16488,"journal":{"name":"Journal of Minerals and Materials Characterization and Engineering","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79859942","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

Fabrication, Characterization and Machining of Al6061 Reinforced with Red Mud Composite 赤泥复合材料增强Al6061的制备、表征及加工

Journal of Minerals and Materials Characterization and Engineering Pub Date : 2022-01-01 DOI: 10.4236/jmmce.2022.101003

P. Chandra, V. Kumar, R. Kiran, D. R. Kumar, C. P. Rao, R. Suresh

{"title":"Fabrication, Characterization and Machining of Al6061 Reinforced with Red Mud Composite","authors":"P. Chandra, V. Kumar, R. Kiran, D. R. Kumar, C. P. Rao, R. Suresh","doi":"10.4236/jmmce.2022.101003","DOIUrl":"https://doi.org/10.4236/jmmce.2022.101003","url":null,"abstract":"The Metal Matrix Composites application has increased in many areas of science and technology, because of its additional physical, wear and mechanical properties. In comparison with all MMC’s, aluminum-based MMC’s are finding wide applications due to their better strength to weight ratio, better stiffness, and high thermal conductivity as well as very good wear and corrosion properties. The properties of a composite mainly depend on better distribution of reinforcement in the matrix, which is very difficult to achieve. Basically Redmud is a byproduct of alumina, and it is waste product obtained during Bayer’s process. This waste product must be recycled else it may be dangerous to the environment. Redmud can be used as reinforcement for aluminium composites in order to achieve better properties. The proposed research work includes preparation of Aluminum 6061-Red mud metal matrix composites using liquid metallurgy route following stir casting technique. An alloy Al6061 containing 0.60 percent silicon and Magnesium of 0.82 percent was used as the matrix material. Two different compositions of the Aluminum 6061-Red mud composites are prepared in addition to the base matrix and evaluated for mechanical properties also the force acting on the cutting tool at different spindle speeds during machining of the composite materials were analyzed.","PeriodicalId":16488,"journal":{"name":"Journal of Minerals and Materials Characterization and Engineering","volume":"87 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79379572","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

Mechanism of Cluster Formation on Cerium Borosilicate Glasses Based on TEM-EDP and SEM-EDEX Investigations 基于TEM-EDP和SEM-EDEX的硼硅铈玻璃团簇形成机理研究

Journal of Minerals and Materials Characterization and Engineering Pub Date : 2022-01-01 DOI: 10.4236/jmmce.2022.102012

Salma Ahmeed, G. Damrawi

引用次数: 0

Suitability of Suluu-Terek Basalt Deposits for Stone Casting 苏鲁—特力克玄武岩矿床适宜铸石

Journal of Minerals and Materials Characterization and Engineering Pub Date : 2022-01-01 DOI: 10.4236/jmmce.2022.101001

Zh.K. Aidaraliev, Imiyla Rysbaeva, R. Atyrova, Akimbek Abdykalykov, Baktygul Bekbolot Kyzy, Chynara Zholdoshova, N. Sopubekov, A. Kuduev, Iurii Dubinin, Z. Abdullaeva

引用次数: 0

Characterization of the Activity, Mineralogy and Correlations between the Properties of Clayey Soils 粘性土的活性、矿物学特征及其性质之间的相关性

Journal of Minerals and Materials Characterization and Engineering Pub Date : 2022-01-01 DOI: 10.4236/jmmce.2022.105029

L. Ahouet, Sorel Dzaba, Brice Dublin Mbossa Elenga, Sylvain Ndinga Okina, Fabien T. Kimbatsa

引用次数: 2

Evaluation of Mineral Elements Content of Senegal Fruits 塞内加尔水果矿质元素含量的评价

Journal of Minerals and Materials Characterization and Engineering Pub Date : 2022-01-01 DOI: 10.4236/jmmce.2022.102013

Rokhaya Gueye, Jérôme Ledauphin, F. Baraud, L. Leleyter, M. Lemoine, Rokhaya Gueye, Adama Diédhiou, M. Balde, Nango Gaye, M. Seck, D. Fall, A. Wélé

{"title":"Evaluation of Mineral Elements Content of Senegal Fruits","authors":"Rokhaya Gueye, Jérôme Ledauphin, F. Baraud, L. Leleyter, M. Lemoine, Rokhaya Gueye, Adama Diédhiou, M. Balde, Nango Gaye, M. Seck, D. Fall, A. Wélé","doi":"10.4236/jmmce.2022.102013","DOIUrl":"https://doi.org/10.4236/jmmce.2022.102013","url":null,"abstract":"This study determined mineral value and antioxidant activity of Senegal fruits for contributing to improving healthy diet and preventing some chronic diseases. Mineral element contents of Dialium guineense, Landolphia heudelotti, Mangifera indica, Cyperus esculentus and Saba senegalensis, which are widely available and consumed, were studied. The results by ICP-OES spectrophotometry after acid mineralization showed highest levels of (per 100 g fruits), calcium (158 mg), potassium (1018 mg), magnesium (532 mg), zinc (26 mg) with juice of Landolphia heudelotti fruit pulp. Mangifera indica pulp is richer in sodium (89 mg), phosphorus (556 mg), sulphur (384 mg) and silicon (110 mg). Dialium senegalensis pulp is richer in iron (23 mg) and manganese (19 mg). Lyophilized Cyperus esculentus rhizomes analyzed by atomic absorption spectrophotometry gave highest concentrations of (per 100 g fruits), calcium (2550 mg), potassium (11,843 mg) and magnesium (7669 mg) but sodium content (22 mg) is lower. In vitro antioxidant activity evaluation with the DPPH radical showed for 10 mg/ml concentration, highest inhibition percentage for Saba senegalensis 4.03%, followed by Landolphia heudelotti and Dialium guineense, which were significantly similar 2.29% and 2.20% respectively, Mangifera indica 1.7% and finally Cyperus esculentus 0.5%, but much lower compared to the ascorbic acid equal to 96.32% used as a reference.","PeriodicalId":16488,"journal":{"name":"Journal of Minerals and Materials Characterization and Engineering","volume":"150 2 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80385882","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

Evolution of Nonmetallic Inclusion during Steelmaking Process of Cold Heading Steel SWRCH35K SWRCH35K冷镦钢炼钢过程中非金属夹杂物的演变

Journal of Minerals and Materials Characterization and Engineering Pub Date : 2022-01-01 DOI: 10.4236/jmmce.2022.105031

Mengxiong Li, Qi Xu, Jianli Li

引用次数: 1

Characterization of Two Clay Raw Materials from Côte d’Ivoire with a View to Enhancing Them in Eco-Construction Côte科特迪瓦两种粘土原料的表征及其在生态建设中的应用

Journal of Minerals and Materials Characterization and Engineering Pub Date : 2022-01-01 DOI: 10.4236/jmmce.2022.102016

Lébé Prisca M.-S. Kouakou, Alfred Niamien Kouamé, Bi Irié Hervé Gouré Doubi, N. Méité, Jean Thierry Kangah, Esmel Privat Zokou, L. Konan, Y. J. Andji-Yapi

引用次数: 1

Mechanical Properties, Metallurgical Characteristics and Anisotropy of Additive Manufacturing of 316L 增材制造316L合金的力学性能、冶金特性及各向异性

Journal of Minerals and Materials Characterization and Engineering Pub Date : 2022-01-01 DOI: 10.4236/jmmce.2022.102017

D. Moreno, Y. Nahmana, O. Nafman, O. Kam, B. Wolfman, A. Cohen, M. Shapira

引用次数: 0