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Characterization and Application of Nanomaterials最新文献

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Subnanophase coatings as new type low-dimensional nanomaterials: ultra-high-vacuum synthesis, properties and application 亚纳米相涂层作为新型低维纳米材料:超高真空合成、性能及应用
Characterization and Application of Nanomaterials Pub Date : 2019-04-26 DOI: 10.24294/can.v2i2.1069
Nikolay Inokent’evich Pliusnin
{"title":"Subnanophase coatings as new type low-dimensional nanomaterials: ultra-high-vacuum synthesis, properties and application","authors":"Nikolay Inokent’evich Pliusnin","doi":"10.24294/can.v2i2.1069","DOIUrl":"https://doi.org/10.24294/can.v2i2.1069","url":null,"abstract":"A classification of low-dimensional nanomaterials is given, and a new type of these nanomaterials – subnanophase coatings is proposed. Experimental results on the formation of a wetting layer of a transition metal on a silicon substrate by physical deposition in vacuum and results of this layer identification by the EELS method are given. Based on these results, a new approach to the formation of subnanophase coatings has been proposed by creation of a interface stresses which structuring WL. The possible properties and application prospects of subnanophase coatings are considered.","PeriodicalId":331072,"journal":{"name":"Characterization and Application of Nanomaterials","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126054906","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
Modification of cement systems by carbon nanotubes 碳纳米管对水泥体系的改性
Characterization and Application of Nanomaterials Pub Date : 2019-03-25 DOI: 10.24294/CAN.V0I0.1098
Skripkiunas Gintautas
{"title":"Modification of cement systems by carbon nanotubes","authors":"Skripkiunas Gintautas","doi":"10.24294/CAN.V0I0.1098","DOIUrl":"https://doi.org/10.24294/CAN.V0I0.1098","url":null,"abstract":"The nanoparticles and nanostructures such as nano silica, nano metakaolin, titanium dioxide and aluminium oxide nanoparticles, graphite nanomaterials, carbon nanotubes are used for modification of composite materials in construction industry. The considerable attention of researchers is focused on the investigation of cement systems modified by carbon nanotubes (CNT). The present research describes the generalized data about modification of cement systems by CNT suspension in fresh and hardened state. The influence of carbon nanotubes on setting time of cement paste, rheological and mechanical properties of nanomodified cement systems are demonstrated in the present research.","PeriodicalId":331072,"journal":{"name":"Characterization and Application of Nanomaterials","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129717874","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
Nano-Composites and their Applications: A review 纳米复合材料及其应用综述
Characterization and Application of Nanomaterials Pub Date : 2019-02-27 DOI: 10.24294/CAN.V2I1.875
Sajad Hussain Din
{"title":"Nano-Composites and their Applications: A review","authors":"Sajad Hussain Din","doi":"10.24294/CAN.V2I1.875","DOIUrl":"https://doi.org/10.24294/CAN.V2I1.875","url":null,"abstract":"Nanocomposites are high performance materials which reveal rare properties. Nanocomposites have an estimated annual growth rate of 25% and fastest demand to be in engineering plastics and elastomers. Their prospective is so prominent that they are valuable in numerous areas ranging from packaging to biomedical applications. In this review the various types of matrix nanocomposites are discussed highlighting the need for these materials, their processing approaches and some recent results on structure, properties and potential applications. Perspectives including need for such future materials and other interesting applications. Being environmentally friendly, applications of nanocomposites propose new technology and business opportunities for several sectors of the aerospace, automotive, electronics and biotechnology industries.","PeriodicalId":331072,"journal":{"name":"Characterization and Application of Nanomaterials","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132475340","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: 14
Subnanophase coatings as new type low-dimensional nanomaterials: ultra-high-vacuum synthesis, properties and application 亚纳米相涂层作为新型低维纳米材料:超高真空合成、性能及应用
Characterization and Application of Nanomaterials Pub Date : 2018-11-30 DOI: 10.24294/can.v0i0.1036
N. Plusnin
{"title":"Subnanophase coatings as new type low-dimensional nanomaterials: ultra-high-vacuum synthesis, properties and application","authors":"N. Plusnin","doi":"10.24294/can.v0i0.1036","DOIUrl":"https://doi.org/10.24294/can.v0i0.1036","url":null,"abstract":"A classification of low-dimensional nanomaterials is given, and a new type of these nanomaterials – subnanophase coatings is proposed. Experimental results on the formation of a wetting layer of a transition metal on a silicon substrate by physical deposition in vacuum and results of this layer identification by the EELS method are given. Based on these results, a new approach to the formation of subnanophase coatings has been proposed by creation of a interface stresses which structuring WL. The possible properties and application prospects of subnanophase coatings are considered.","PeriodicalId":331072,"journal":{"name":"Characterization and Application of Nanomaterials","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130183409","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
Design and development of sulfonated tetrafunctional epoxy nanocomposites for advanced engineering applications 先进工程应用磺化四功能环氧纳米复合材料的设计与开发
Characterization and Application of Nanomaterials Pub Date : 2018-11-28 DOI: 10.24294/CAN.V1I3.736
D. Dhanapal, Alagar Muthukaruppan, A. Srinivasan
{"title":"Design and development of sulfonated tetrafunctional epoxy nanocomposites for advanced engineering applications","authors":"D. Dhanapal, Alagar Muthukaruppan, A. Srinivasan","doi":"10.24294/CAN.V1I3.736","DOIUrl":"https://doi.org/10.24294/CAN.V1I3.736","url":null,"abstract":"Attempts were made in the present study to design and develop skeletally modified ether linked tetraglycidyl epoxy resin (TGBAPSB), which is subsequently reinforced with different weight percentages of amine functionalized mullite fiber (F-MF). The F-MF was synthesized by reacting mullite fiber with 3-aminopropyltriethoxysilane (APTES) as coupling agent and the F-MF structure was confirmed by FT-IR. TGBAPSB reinforced with F-MF formulation was cured with 4,4’-diamino diphenyl methane (DDM) to obtain nanocomposite. The surface morphology of TGBAPSB-F-MF epoxy nanocomposites was investigated by XRD, SEM and AFM studies. From the study, it follows that these nanocomposite materials offer enhancement in mechanical, thermal, thermo-mechanical, dielectric properties compared to neat (TGBAPSB) epoxy matrix. Hence we recommend these nanocomposites for a possible use in advanced engineering applications that require both toughness and stiffness.","PeriodicalId":331072,"journal":{"name":"Characterization and Application of Nanomaterials","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122428510","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 an Inverse Parabolic Confining Electric Potential on Third Harmonic Generation in Cylindrical Quantum Wires 反抛物型围电位对圆柱形量子线中三次谐波产生的影响
Characterization and Application of Nanomaterials Pub Date : 2018-11-27 DOI: 10.24294/CAN.V1I3.659
M. Tshipa
{"title":"Effect of an Inverse Parabolic Confining Electric Potential on Third Harmonic Generation in Cylindrical Quantum Wires","authors":"M. Tshipa","doi":"10.24294/CAN.V1I3.659","DOIUrl":"https://doi.org/10.24294/CAN.V1I3.659","url":null,"abstract":"A theoretical investigation of the effect of an inverse parabolic potential on third harmonic generation in cylindrical quantum wires is presented. The wave functions are obtained as solutions to Schrödinger equation solved within the effective mass approximation. It turns out that peaks of the third harmonic generation susceptibility (THGS) associated with nanowires of small radii occur at larger photon energies as compared to those associated with quantum wires of larger radii. The inverse parabolic potential red-shifts peaks of the THGS, and suppresses the amplitude of the THGS. THGS associated with higher radial quantum numbers is diminished in magnitude and blue-shifted, as a function of the photon energy. As a function of the inverse parabolic potential, the THGS still characterized by peaks, and the peaks shift to lower values of the potential as the photon energy increases.","PeriodicalId":331072,"journal":{"name":"Characterization and Application of Nanomaterials","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133392920","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
Improved Mathematical Model of Polluted Insulators nonlinear behaviour Under AC Voltage Based on Experimental Tests 基于试验的交流电压下污秽绝缘子非线性行为改进数学模型
Characterization and Application of Nanomaterials Pub Date : 2018-11-27 DOI: 10.24294/CAN.V1I3.541
M. Palangar, M. Mirzaie
{"title":"Improved Mathematical Model of Polluted Insulators nonlinear behaviour Under AC Voltage Based on Experimental Tests","authors":"M. Palangar, M. Mirzaie","doi":"10.24294/CAN.V1I3.541","DOIUrl":"https://doi.org/10.24294/CAN.V1I3.541","url":null,"abstract":"In this paper, an improved mathematical model for flashover behavior of polluted insulators is proposed based on experimental tests. In order to determine the flashover model of polluted insulators, the relationship between conductivity and salinity of solution pollution layer of the insulator is measured. Then, the leakage of current amplitude of four common insulators versus axial, thermal conductivity and arc constants temperature was determined. The experimental tests show that top leakage distance (TLd) to bottom leakage distance (BLd) ratio of insulators has a significant effect on critical voltage and current. Therefore, critical voltage and current were modeled by TLd to BLd ratio Index (M). Also, salinity of solution pollution layer of the insulators has been applied to this model by resistance pollution parameter. On the other hand, arc constants of each insulator in new model have been identified based on experimental results. Finally, a mathematical model is intended for critical voltage against salinity of solution pollution layer of different insulators. This model depends on insulator profile. There is a good agreement between the experimental tests of pollution insulators obtained in the laboratory and values calculated from the mathematical models developed in the present study.","PeriodicalId":331072,"journal":{"name":"Characterization and Application of Nanomaterials","volume":"105 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123144776","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
DYNAMIC CRACK TOUGHNESS OF AUSTEMPERING STEEL 等温回火钢的动态裂纹韧性
Characterization and Application of Nanomaterials Pub Date : 2018-11-05 DOI: 10.24294/CAN.V1I3.650
T. Avdjieva
{"title":"DYNAMIC CRACK TOUGHNESS OF AUSTEMPERING STEEL","authors":"T. Avdjieva","doi":"10.24294/CAN.V1I3.650","DOIUrl":"https://doi.org/10.24294/CAN.V1I3.650","url":null,"abstract":"This work is a part of research on the microstructure and mechanical properties of Cr-Ni-Si steels after various thermal treatments [1, 2]. The need to minimize damage and losses caused by emerging failures in complex engineering facilities such as nuclear, thermal and hydroelectric power stations, and gas and oil pipelines necessitates the creation of materials of high strength, plasticity, welding and high rigidity.","PeriodicalId":331072,"journal":{"name":"Characterization and Application of Nanomaterials","volume":"331 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115973967","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
Non-Destructive Determination of Chemical Effects onFluorescence Yields and Vacancy Transfer Probabilities ofTin Compounds 非破坏性测定锡化合物的荧光产率和空位转移概率的化学效应
Characterization and Application of Nanomaterials Pub Date : 2018-11-02 DOI: 10.24294/CAN.V1I3.562
A. Turşucu, M. Haskul, A. Ulgen
{"title":"Non-Destructive Determination of Chemical Effects onFluorescence Yields and Vacancy Transfer Probabilities ofTin Compounds","authors":"A. Turşucu, M. Haskul, A. Ulgen","doi":"10.24294/CAN.V1I3.562","DOIUrl":"https://doi.org/10.24294/CAN.V1I3.562","url":null,"abstract":"In the current work, it was investigated to the K X-ray fluorescence efficiency and chemical effect on vacancy transfer probability for some tin compounds. We used Br2Tin, TinI2, SeTin, TinF2, TinSO4, TinCl2, TinO and TinS compounds for experimental study. The target samples were irradiated with 241Am annular radioactive source at the intensity of 5 Ci which emits gamma rays at wavelength of 0.2028 nm. The characteristic x-rays emitted because of the excitation are collected by a high-resolution HPGe semiconductor detector. It has been determined that the experimental calculations of the tin (Sn) element are compatible with the theoretical calculation. In addition, we have calculated the experimental intensity ratios, fluorescence yields and total vacancy transfer probabilitiesfor other Sn compounds. ","PeriodicalId":331072,"journal":{"name":"Characterization and Application of Nanomaterials","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123068724","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
A Study on the Oxygen Percent and the Crystalline Structure of Silver Nanoparticles Obtained by Electrochemical Method 电化学法制备银纳米粒子的氧含量及晶体结构研究
Characterization and Application of Nanomaterials Pub Date : 2018-11-01 DOI: 10.24294/CAN.V1I3.552
S. S. Parhizgar, S. Sibouyeh
{"title":"A Study on the Oxygen Percent and the Crystalline Structure of Silver Nanoparticles Obtained by Electrochemical Method","authors":"S. S. Parhizgar, S. Sibouyeh","doi":"10.24294/CAN.V1I3.552","DOIUrl":"https://doi.org/10.24294/CAN.V1I3.552","url":null,"abstract":"In this paper silver nanoparticles (NPs) which are synthesized by a simple plasma arc discharge method, that is a kind of electrochemical methods, are examined. The method is very simple and silver NPs are obtained very fast by means of two polished silver plates and electrochemical cell. The effects of changing some terms of the experiment including using Hydrogen peroxide (H2O2), temperature and the medium of experiment on oxygen percent and crystalline structure of silver NPs have been studied by transmission electron microscopy, UV-visible spectrophotometery, and X-ray diffraction. Water medium gets larger nanoparticles with less oxygen content compare to air medium. The size of synthesized nanoparticles become smaller and they also become more spherical by using H2O2 in air medium. In water medium, the size and concentration of the silver crystallite increase by temperature growth and adding H2O2  respectively. ","PeriodicalId":331072,"journal":{"name":"Characterization and Application of Nanomaterials","volume":"96 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133525672","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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