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Preparation and Cavilation Erosion Resistance of High Strength Nanocoating Cylinder Liner 高强度纳米涂层气缸套的制备及其抗空泡侵蚀性能
IF 0.4
Nano Hybrids and Composites Pub Date : 2022-02-23 DOI: 10.4028/p-y7gdd5
Yuwei Jiang, Jinbiao Guo, Hui Zhao
{"title":"Preparation and Cavilation Erosion Resistance of High Strength Nanocoating Cylinder Liner","authors":"Yuwei Jiang, Jinbiao Guo, Hui Zhao","doi":"10.4028/p-y7gdd5","DOIUrl":"https://doi.org/10.4028/p-y7gdd5","url":null,"abstract":"Using ammonium persulfate as an oxidant and nano-silica as dispersing medium,o-toluidine was oxidized to form a core-shell structure poly (o-toluidine)/nano-SiO2 particle. Investigation of particle yield by ICP-AES method, the adhesion method was used to study the adhesion between coating and cylinder liner. The cavitation resistance of the coating cylinder was studied by the vibration gas cavitation method. The results showed that poly(o-toluidine) was uniformly coated around the nano-silica particles to which forms stable poly (o-toluidine)/nano-SiO2 with core-shell structure, when m(SiO2):m(POT)=1:8，n((NH4)2S2O3):n(POT)=1:1,and the temperature was controlled from 10 to 15°C, the composite poly(o-toluidine)/nano-SiO2 particles were prepared and the yield reached 85%. Composite poly(o-toluidine)/nano-SiO2 particles as a functional component and epoxy resin as a film-forming agent were used to prepare composite poly(o-toluidine)/nano-SiO2/epoxy resin coated cylinder liner with good cavitation resistance, t100=885min.","PeriodicalId":18861,"journal":{"name":"Nano Hybrids and Composites","volume":"5 1","pages":"61 - 67"},"PeriodicalIF":0.4,"publicationDate":"2022-02-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86228215","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
Bandgap Modulation of the C2N-h2D Nanomaterials under Elastic Strains 弹性应变下C2N-h2D纳米材料的带隙调制
IF 0.4
Nano Hybrids and Composites Pub Date : 2022-02-23 DOI: 10.4028/p-5wk112
Jian Zhao, Qian Qian Song, Q. Wei, Jun Chen, Jing Xiao, Jian Ling Ma, Shengchao Ma
{"title":"Bandgap Modulation of the C2N-h2D Nanomaterials under Elastic Strains","authors":"Jian Zhao, Qian Qian Song, Q. Wei, Jun Chen, Jing Xiao, Jian Ling Ma, Shengchao Ma","doi":"10.4028/p-5wk112","DOIUrl":"https://doi.org/10.4028/p-5wk112","url":null,"abstract":"Since the C2N-h2D crystal was efficiently synthesized, this study aims to investigate bandgap modulation of nanoribbons and nanotubes. Appling Density Functional Theory (DFT), the band-gap modulation of C2N-h2D nanomaterials is researched under elastic strains. The results of the current study indicate that the band gap of C2N-h2D nanoribbons and nanotubes can be tuned along two directions, namely, stretching or compressing nanoribbons and nanotubes when ɛ is changed from -10% to 10% in zigzag and armchair, respectively. This study also finds that the band gap of the C2N-h2D nanoribbons and nanotubes change with increase of widths or the radii of nanotubes. Therefore, the great potential applications of the C2N-h2D nanomaterials have been predicted in strain sensor and optical electronics at nanoscale.","PeriodicalId":18861,"journal":{"name":"Nano Hybrids and Composites","volume":"8 1","pages":"71 - 76"},"PeriodicalIF":0.4,"publicationDate":"2022-02-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78264069","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
The Co-Poly(Urethane-Imide) Heat Resistant Thermoplastic Elastomers 共聚聚氨酯-亚胺耐热热塑性弹性体
IF 0.4
Nano Hybrids and Composites Pub Date : 2022-02-23 DOI: 10.4028/p-rcjpez
A. Didenko, D. Kuznetcov, V. Smirnova, G. Vaganov, A. Ivanov, V. Yudin, V. Kudryavtsev
{"title":"The Co-Poly(Urethane-Imide) Heat Resistant Thermoplastic Elastomers","authors":"A. Didenko, D. Kuznetcov, V. Smirnova, G. Vaganov, A. Ivanov, V. Yudin, V. Kudryavtsev","doi":"10.4028/p-rcjpez","DOIUrl":"https://doi.org/10.4028/p-rcjpez","url":null,"abstract":"Co-Pоly (Urethane-Imide) s (CPUI) based on pоly (diethyleneglycol) adipate diol, tolylenediisocyanate, multinucleate dianhydrides and diamines were synthesized. The films and moldings from CPUI were processed and their mechanical characteristics were evaluated. Distinctions of specifications of the films formed from polymer solutions and the moldings formed from melt polymers are indicated when using the same starting CPUI. It appears that films and moldings possess typical properties of elastomers. The reprocessing of studied copolymers by using the injection molding method allows to assign CPUI to the thermoplastic elastomers or so-called thermoelastoplasts.","PeriodicalId":18861,"journal":{"name":"Nano Hybrids and Composites","volume":"55 1","pages":"23 - 28"},"PeriodicalIF":0.4,"publicationDate":"2022-02-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84896576","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
MXenes Composites as the Protective Layer for Li Metal Electrodes MXenes复合材料作为锂金属电极保护层的研究
IF 0.4
Nano Hybrids and Composites Pub Date : 2022-02-23 DOI: 10.4028/p-15m3g4
Xinguo Qi, Shao-Jiu Yan, Chao Wang, Xiang Chen, S. Peng, Xiu Hui Li
{"title":"MXenes Composites as the Protective Layer for Li Metal Electrodes","authors":"Xinguo Qi, Shao-Jiu Yan, Chao Wang, Xiang Chen, S. Peng, Xiu Hui Li","doi":"10.4028/p-15m3g4","DOIUrl":"https://doi.org/10.4028/p-15m3g4","url":null,"abstract":"The life and safety issues of Li metal electrodes seriously hinder its application. In order to solve this problem, MXene protected Li electrode has been prepared. Due to the formation of MXene-Ti3C2Tx interface layer, not only the uneven deposition of Li could be alleviated, but also the unstable formation of solid electrolyte interphase can be suppressed. Thus, the MXene-Ti3C2Tx@Li electrodes have exhibited excellent cycling stability. The cycling performance of MXene-Ti3C2Tx@Li electrodes have been proved by symmetric cells, which exhibit relatively stable voltage plateau and a small voltage hysteresis even after 29000 min for stripping/plating cycling (about 230 cycles) under current density of 5 A cm-1 and specific capacity of 5 Ah cm-1. Overall, this study demonstrates MXenes as a critical enabler to realize high-performance Li metal batteries.","PeriodicalId":18861,"journal":{"name":"Nano Hybrids and Composites","volume":"28 1","pages":"9 - 14"},"PeriodicalIF":0.4,"publicationDate":"2022-02-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72930879","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
Microstructure Evolution at High Temperatures for Co-MOF-74 as High-Efficiency Electromagnetic Absorbers
IF 0.4
Nano Hybrids and Composites Pub Date : 2022-02-23 DOI: 10.4028/p-1x0wn2
Yue Zhang, Tao Li, Shiman Tang, Xinchun Xie, Ru Zeng Liang, X. Chu
{"title":"Microstructure Evolution at High Temperatures for Co-MOF-74 as High-Efficiency Electromagnetic Absorbers","authors":"Yue Zhang, Tao Li, Shiman Tang, Xinchun Xie, Ru Zeng Liang, X. Chu","doi":"10.4028/p-1x0wn2","DOIUrl":"https://doi.org/10.4028/p-1x0wn2","url":null,"abstract":"Increasing demands of microwave absorbents require new approaches to enhance the absorbing performance. Metal−organic frameworks (MOFs) could be developed as effective absorbers owing to their outstanding features including intrinsic porosity and high specific area. Herein, novel nanostructured Co-MOF-74 composites have been successfully fabricated via a simple solvothermal method. Excellent absorption performance was achieved for the composite with a minimum reflection loss (RL) of −25.5 dB at 2.5 mm and a broad absorption bandwidth (RL < −10 dB) of 6.7 GHz. Such absorber could be developed as lightweight and high-efficiency absorbing materials, and this work provides inspiration for the design of advanced absorbers with strong dissipation capacity and broad effective bandwidth.","PeriodicalId":18861,"journal":{"name":"Nano Hybrids and Composites","volume":"405 1","pages":"29 - 35"},"PeriodicalIF":0.4,"publicationDate":"2022-02-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76323309","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
Bond Behaviour of Treated Natural Fibre in Concrete 处理过的天然纤维在混凝土中的粘结性能
IF 0.4
Nano Hybrids and Composites Pub Date : 2022-02-23 DOI: 10.4028/p-h40o32
E. Momoh, A. I. Osofero, O. Menshykov
{"title":"Bond Behaviour of Treated Natural Fibre in Concrete","authors":"E. Momoh, A. I. Osofero, O. Menshykov","doi":"10.4028/p-h40o32","DOIUrl":"https://doi.org/10.4028/p-h40o32","url":null,"abstract":"The use of leaflet ribs from oil palm trees - Oil Palm Broom Fibres (OPBF) in reinforcingcement composites have shown some prospects according to recent studies. However, only little isunderstood regarding their bond interaction with cement matrices. Samples were prepared toinvestigate the pull-out response of OPBF in both single and combined form from concrete. For thecombined fibres, single OPBF strands were wound around one another longitudinally (in helical form)to form tendons. A comparison was made between the maximum bond strengths of untreated andtreated OPBF in concrete. The OPBF were pre-treated by soaking in sodium hydroxide andtriethylvinylsilane solutions to improve their bond strength with concrete. The reported treatmentscould improve the potential of OPBF tendons as reinforcement in lightly loaded concrete beamsultimately resulting in an environmentally friendly and affordable construction.","PeriodicalId":18861,"journal":{"name":"Nano Hybrids and Composites","volume":"11 1","pages":"37 - 44"},"PeriodicalIF":0.4,"publicationDate":"2022-02-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79174719","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
Fabrication and Characterization of Composite Materials Using Multiple Waste Materials (Leather & Jute Fabrics) and Unsaturated Polyester Resin 利用多种废料(皮革、黄麻织物)和不饱和聚酯树脂制备复合材料及其性能研究
IF 0.4
Nano Hybrids and Composites Pub Date : 2021-10-11 DOI: 10.4028/www.scientific.net/NHC.33.1
M. Ali, Md. Sahadat Hossain, Samina Ahmed, A. Chowdhury
{"title":"Fabrication and Characterization of Composite Materials Using Multiple Waste Materials (Leather & Jute Fabrics) and Unsaturated Polyester Resin","authors":"M. Ali, Md. Sahadat Hossain, Samina Ahmed, A. Chowdhury","doi":"10.4028/www.scientific.net/NHC.33.1","DOIUrl":"https://doi.org/10.4028/www.scientific.net/NHC.33.1","url":null,"abstract":"Now a days environment is getting polluted due to different types of manmade reasons than ever for extreme use of synthetic materials. Various kinds of waste materials from numerous industries are also enhancing this. So, Utilization of waste materials and reduction of synthetic materials will definitely subside the environmental pollution. In this research, waste jute fabric and leather waste (cow hides) were used as reinforcing agent and unsaturated polyester resin (UPR) as matrix to prepare environmental friendly composite materials. Hand-lay up method was conducted to fabricate composite materials. Different percentages of waste leather and used jute fabrics were used with the UPR. Improved mechanical properties, tensile strength (TS), tensile modulus (TM), and percentage elongation at break (EB) were observed with the certain percentage of waste materials. Composites were also characterised by the scanning electron microscope (SEM) and fourier transform infrared (FTIR).","PeriodicalId":18861,"journal":{"name":"Nano Hybrids and Composites","volume":"12 1","pages":"1 - 11"},"PeriodicalIF":0.4,"publicationDate":"2021-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81497458","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
Dynamic Behavior Study of Functionally Graded Porous Nanoplates 功能梯度多孔纳米板的动态行为研究
IF 0.4
Nano Hybrids and Composites Pub Date : 2021-10-11 DOI: 10.4028/www.scientific.net/NHC.33.83
Hadj Mostefa Adda, Bouchafa Ali, Merdaci Slimane
{"title":"Dynamic Behavior Study of Functionally Graded Porous Nanoplates","authors":"Hadj Mostefa Adda, Bouchafa Ali, Merdaci Slimane","doi":"10.4028/www.scientific.net/NHC.33.83","DOIUrl":"https://doi.org/10.4028/www.scientific.net/NHC.33.83","url":null,"abstract":"This paper introduces the analytical solutions of complex behavior analysis utilizing high-order shear deformation plate theory of functionally graded FGM nano-plate content consisting of a mixture of metal and ceramics with porosity. To incorporate the small-scale effect, the non-local principle of elasticity is used. The impact of variance of material properties such as thickness-length ratio, aspect ratio, power-law exponent and porosity factor on natural frequencies of FG nano-plate is examined. Compared to those achieved from other researchers, the latest solutions are. Using the simulated displacements theory, equilibrium equations are obtained. Current solutions of the dimensionless frequency are compared with those of the finite element method. The effect of geometry, material variations of nonlocal FG nano-plates and the porosity factor on their natural frequencies are investigated in this review. The results are in good agreement with those of the literature.","PeriodicalId":18861,"journal":{"name":"Nano Hybrids and Composites","volume":"1 1","pages":"83 - 92"},"PeriodicalIF":0.4,"publicationDate":"2021-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88621860","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
Electronic, Vibrational, and Structural Study of Polysaccharide Agar-Agar Biopolymer 多糖琼脂生物聚合物的电子、振动和结构研究
IF 0.4
Nano Hybrids and Composites Pub Date : 2021-10-11 DOI: 10.4028/www.scientific.net/NHC.33.35
Ankita Pandey, A. Gupta, Shivani Gupta, S. K. Gupta, R. Yadav
{"title":"Electronic, Vibrational, and Structural Study of Polysaccharide Agar-Agar Biopolymer","authors":"Ankita Pandey, A. Gupta, Shivani Gupta, S. K. Gupta, R. Yadav","doi":"10.4028/www.scientific.net/NHC.33.35","DOIUrl":"https://doi.org/10.4028/www.scientific.net/NHC.33.35","url":null,"abstract":"Polysaccharide biopolymer Agar-Agar extracted from red algae is a natural and biodegradable polymer. It is a combination of agarose (a neutral and linear polymer, with repeated units of agarobiose) and a heterogeneous mixture of agaropectin (a charged sulfated polymer). In this study, a comparative study of structural vibrational and electrochemical properties of agar-agar biopolymer with two different methods HF (Hartree-Fock) and DFT (Density Functional Theory) using a basis set 631+G (d, p) is performed. The comparative structural study of agar-agar biopolymer by HF and DFT method has been carried out to calculate the stability of the molecule. The thermionic properties and Mulliken charge distribution are analysed to deliver a quantitative study of partial atomic charge distribution. The overall vibrational analysis of primal modes of the biopolymer has been studied using FTIR analysis. Based on highest occupied molecular orbital (HOMO) and the lowest unoccupied molecular orbital (LUMO) composition and energies, various chemical parameters of the biopolymer have been evaluated. The Physico-chemical properties of this polysaccharide show a strong correlation with its optimized structure. Agar-agar has its application in the electrochemical, biotechnological, and pharmaceutical fields, as a stabilizer and gelling material.","PeriodicalId":18861,"journal":{"name":"Nano Hybrids and Composites","volume":"39 1","pages":"35 - 46"},"PeriodicalIF":0.4,"publicationDate":"2021-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82723657","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: 3
Study of the Effect of Physical Aging on the Polylactic Acid by Thermal and Optical Techniques 热光学技术研究物理老化对聚乳酸的影响
IF 0.4
Nano Hybrids and Composites Pub Date : 2021-10-11 DOI: 10.4028/www.scientific.net/NHC.33.73
A. Bouamer, N. Benrekaa, A. Younes
{"title":"Study of the Effect of Physical Aging on the Polylactic Acid by Thermal and Optical Techniques","authors":"A. Bouamer, N. Benrekaa, A. Younes","doi":"10.4028/www.scientific.net/NHC.33.73","DOIUrl":"https://doi.org/10.4028/www.scientific.net/NHC.33.73","url":null,"abstract":"In this work, we investigated the influence of physical aging on polylactic acid (PLA) films using thermal and optical techniques; Differential Scanning Calorimetry (DSC), Thermally Stimulated Depolarization Current (TSDC), and Attenuated Total Reflection Spectroscopy (ATR). The PLA films were aged for different periods: 60, 90, and 120 minutes at a temperature Ta = 43 °C. The result obtained by DSC showed that the effect of physical aging appeared as an endothermic peak, which increased with increasing aging time and evolved towards higher temperatures. TSDC results showed a thermal current peak located between 30 and 80 ° C, which represented the main relaxation mode (α relaxation) of the dielectric manifestation of the glass transition. The intensity of this peak decreased and was shifted to higher temperatures when aging time increased, this result can be explained by a decrease in the molecular mobility of macromolecular chains due to the decrease in the free volume. The effect of physical aging on the PLA by the ATR technique showed a gradual decrease in all absorption bands during the aging period. In particular, the wide absorption band between 3000 and 3700 cm-1 attributed to the hydroxyl group (OH), which disappeared after two hours of aging","PeriodicalId":18861,"journal":{"name":"Nano Hybrids and Composites","volume":"79 1","pages":"73 - 81"},"PeriodicalIF":0.4,"publicationDate":"2021-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85036371","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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