检索结果-南通市图书馆

Rare Metals 2024年第7期43卷 3356-3369页

作者： Aydar Rakhmatullin Franti?ek ?imko Didier Zanghi Zuzana Netriová Ilya B.Polovov Ayrat Dimiev Konstantin V.Maksimtsev Catherine Bessada Michal Korenko Conditions Extrêmes et Materiaux:Haute Température et Irradiation CEMHTIUPR 3079-CNRS Univ Orleans Department of Molten Systems Institute of Inorganic ChemistrySlovak Academy of Sciences centre of excellence for advanced materials application-cemea Slovak Academy of Sciences Department of Rare Metals and Nanomaterials Institute of Physics and TechnologyUral Federal University Alexander Butlerov Institute of Chemistry Kazan Federal University

For the first time,the mechanism of metal aluminum dissolution in NaF-ScF3eutectic melts and the chemical interaction between the constituents of this mixture have been thoroughly studied by a combination of differential thermal analysis（DTA）,high temperature and solid-state nuclear magnetic resonance（NMR）,and X-ray diffraction（XRD） coupled with the molecular dynamic *** formation of an insoluble Al3Sc alloy in molten（NaF-ScF3）eutsystem was proven,and the chemical mechanism of this aluminothermic Al3Sc alloy production was *** ex situ examinations bring to light the formation of NaScF4and solid solution of Na3（Al,Sc）F6in cooled *** molecular dynamics calculations of the bath allow us to construct the structural model and to predict viscosity,density and electrical conductivity of the reagent melt to help to optimize the conditions of the alloy synthesis.

关键词： Scandium Alloy Molten salts NMR Molecular dynamics

Photocatalytic application of magnesium spinel ferrite in wastewater remediation:A review

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

Journal of Magnesium and Alloys 2024年第2期12卷 490-505页

作者： Rohit Jasrotia Nikhil Jaswal Jyoti Prakash Chan Choon Kit Jagpreet Singh Abhishek Kandwal School of Physics and materials Science Shoolini UniversityBajholSolanH.P.India Himalayan centre of excellence in Nanotechnology Shoolini UniversityBajholH.P.India INTI International University Putra NilaiNegeri SembilanMalaysia Department of Chemistry University Centre for Research&Development Chandigarh UniversityMohali140413PunjabIndia Shenzhen Institute of advanced Technology Chinese Academy of SciencesChina

This review paper explores the efficacy of magnesium ferrite-based catalysts in photocatalytic degradation of organic contaminates(antibiotic and dyes).We report the influence of different doping strategies,synthesis methods,and composite materials on the degradation efficiency of these *** analysis reveals the versatile and promising nature of magnesium ferrite-based catalysts,offering the valuable insights into their practical application for restoring the *** to the smaller band gap and magnetic nature of magnesium ferrite,it holds the benefit of utilising the broader spectrum of light while also being *** in-depth analysis of magnesium ferrites'photocatalytic mechanism could lead to the development of cheap and reliable photocatalyst for the wastewater *** concise review offers a thorough summary of the key advancements in this field,highlighting the pivotal role of the magnesium ferrite based photocatalysts in addressing the pressing global issue of organic pollutants in wastewater.

关键词： Magnesium ferrite Wastewater Dyes Antibiotics Photocatalytic degradation

维普期刊数据库

High mechanical strength Si anode synthesis with interlayer bonded expanded graphite structure for lithium-ion batteries

在线全文

学校读者我要写书评

暂无评论

Journal of Energy Chemistry 2024年第6期93卷 253-263,I0007页

作者： Wenhui Lai Jong Hak Lee Lu Shi Yuqing Liu Yanhui Pu Yong Kang Ong Carlos Limpo Ting Xiong Yifan Rao Chorng Haur Sow Barbaros Ozyilmaz Department of Material Science&Engineering National University of SingaporeSingapore 117575Singapore Center for advanced 2D materials National University of SingaporeSingapore 117546Singapore Department of Physics National University of SingaporeSingapore 117551Singapore Institute forFunctional Intelligent materials National University of SingaporeSingapore 117544Singapore

Despite advancements in silicon-based anodes for high-capacity lithium-ion batteries,their widespread commercial adoption is still hindered by significant volume expansion during cycling,especially at high active mass loadings crucial for practical *** root of these challenges lies in the mechanical instability of the material,which subsequently leads to the structural failure of the ***,we present a novel synthesis of a composite combining expanded graphite and silicon *** composite features a unique interlayer-bonded graphite structure,achieved through the application of a modified spark plasma sintering ***,this innovative structure not only facilitates efficient ion and electron transport but also provides exceptional mechanical strength(Vickers hardness:up to658 MPa,Young's modulus:11.6 GPa).This strength effectively accommodates silicon expansion,resulting in an impressive areal capacity of 2.9 mA h cm^(-2)(736 mA h g^(-1)) and a steady cycle life(93% after 100cycles).Such outsta nding performance is paired with features appropriate for large-scale industrial production of silicon batteries,such as active mass loading of at least 3.9 mg cm^(-2),a high-tap density electrode material of 1.68 g cm^(-3)(secondary clusters:1.12 g cm^(-3)),and a production yield of up to 1 kg per day.

关键词： Lithium-ion battery Silicon anode Spark plasma sintering Interlayer bonding Mechanical strength Tap density

维普期刊数据库

Interface regulation strategy of Al-CNTs composite induced by Al-Si eutectic reaction and its strengthening mechanism

在线全文

学校读者我要写书评

暂无评论

Journal of materials Science & Technology 2023年第20期151卷 1-9页

作者： Xin Zhang Xin Li Lei Liu Bo Li Xiaodong Hou Deng Pan Lina Gao Shufeng Li School of materials Science and Engineering Xi’an University of TechnologyXi’an 710048China Xi’an Key Laboratory of advanced Powder Metallurgy materials and New Technology Xi’an University of TechnologyXi’an 710048China centre of excellence for advanced materials Songshan LakeDongguan 523808China

Carbon nanotubes(CNTs)reinforced aluminum matrix composites(AMCs)show broad application prospects in the fields of aerospace and transportation because of their lightweight,high specific strength and specific modulus.A new alloying strategy in this study is proposed to regulate its weak intrinsic interface and uncontrollable interfacial *** results show that Si element could hinder the dissolution and diffusion of carbon atoms in Al matrix,inhibiting Al-CNTs interface *** refinement and dislocation increment induced by the reinforcements promote the contributions to the strength of *** wettability and interface bonding of Al-CNTs could be effectively improved by Al/Si/CNTs composite interface,the formed discontinuous strong interface is advantageous to coordinate the plastic deformation of *** particles can also firmly fix CNTs through pinning effect during deformation,which leads to a better load ***,the tensile strength of Al-5Si-0.5CNTs composite can be enhanced up to 391 MPa while maintaining an acceptable plasticity of 7.5%.It brings the strengthening effect of CNTs into full play in AMCs and achieves the strengthening effect of 1+1>2 under the comprehensive effect of grain refinement strengthening,dislocation strengthening,dispersion strengthening of Si particles and load transfer to CNTs。

关键词： Aluminum matrix composites Interface regulation Microstructure Strengthening effect Mechanical properties

Near-seamless joining of Cf/SiC composites using Y_(3)Si_(2)C_(2)via electric field-assisted sintering technique

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Journal of advanced Ceramics 2022年第8期11卷 1196-1207页

作者： Teng YU Jie XU Xiaobing ZHOU Peter TATARKO Yang LI Zhengren HUANG Qing HUANG Engineering Laboratory of advanced Energy materials Ningbo Institute of Materials Technology and EngineeringChinese Academy of SciencesNingbo 315201China Institute of Inorganic Chemistry Slovak Academy of SciencesDúbravskácesta 984536 BratislavaSlovakia centre of excellence for advanced materials application Slovak Academy of SciencesDúbravskácesta 984511 BratislavaSlovakia National Key Laboratory of Science and Technology on High-Strength Structural materials Central South UniversityChangsha 410083China

A novel Y_(3)Si_(2)C_(2)material was synthesized at a relatively low temperature(900℃)using a molten salt method for the first time,and subsequently used as the joining material for carbon fiber reinforced SiC(Cf/SiC)*** sound near-seamless joints with no obvious remaining interlayer were obtained at 1600℃using an electric field-assisted sintering technique(FAST).During joining,a liquid phase was formed by the eutectic reaction among Y_(3)Si_(2)C_(2),γ(Y–C)phase,and SiC,followed by the precipitation of SiC *** presence of the liquid promoted the sintering of newly formed SiC particles,leading to their complete consolidation with the Cf/SiC *** the other hand,the excess of the liquid was pushed away from the joining area under the effect of a uniaxial pressure of 30 MPa,leading to the formation of the near-seamless *** highest shear strength(Ä)of 17.2±2.9 MPa was obtained after being joined at 1600℃for 10 *** failure of the joints occurred in the Cf/SiC matrix,indicating that the interface was stronger than that of the Cf/SiC *** formation of a near-seamless joint minimizes the mismatch of thermal expansion coefficients and also irradiation-induced swelling,suggesting that the proposed joining strategy can be potentially applied to SiC-based ceramic matrix composites(CMCs)for extreme environmental applications.

关键词： Cf/SiC joining Y_(3)Si_(2)C_(2) electric field-assisted sintering technique(FAST)

Recent antibacterial agents from biomass derivatives:Characteristics and applications

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Journal of Bioresources and Bioproducts 2024年第3期9卷 283-309页

作者： Nissa Nurfajrin Solihat Alif Faturahman Hidayat R.A.Ilyas Senthil Muthu Kumar Thiagamani Nur Izyan Wan Azeele Fahriya Puspita Sari Maya Ismayati Mohammad Irfan Bakshi Zaharaddeen N.Garba M.Hazwan Hussin Witta Kartika Restu Wasrin Syafii Harits Atika Ariyanta Widya Fatriasari Research Center for Biomass and Bioproducts National Research and Innovation Agency(BRIN)Kawasan KST SoekarnoJl Raya Bogor KM 46 Cibinong Bogor 16911Indonesia Department of Bioproducts and Biosystems School of Chemical EngineeringAalto UniversityEspoo 16300Finland Department of Chemical Engineering Faculty of Chemical and Energy EngineeringUniversiti Teknologi MalaysiaJohor 81310Malaysia centre for advanced Composite materials Universiti Teknologi MalaysiaJohor 81310Malaysia Institute of Tropical Forestry and Forest Products Universiti Putra MalaysiaSerdang 43400Malaysia centre of excellence for Biomass Utilization Universiti Malaysia PerlisPerlis 02600Malaysia Department of Mechanical Engineering Kalasalingam Academy of Research and EducationKrishnankoil 626126India Institute of Bioproduct Development(IBD) Universiti Teknologi MalaysiaJohor 81310Malaysia Department of Chemistry Ahmadu Bello UniversityZaria 810211Nigeria materials Technology Research Group(MaTReC) School of Chemical SciencesUniversiti Sains MalaysiaMinden 11800Malaysia Research Center for Chemistry National Research and Innovation Agency(BRIN)Kawasan Puspiptek SerpongSouth Tangerang 15314Indonesia Department of Forest Products Faculty of Forestry and EnvironmentIPB UniversityBogor 16680Indonesia Department of Pharmacy Gunadarma UniversityDepok 16424Indonesia Research Collaboration Center of Biomass-Based Nano Cosmetic In collaboration with National Research and Innovation Agency(BRIN)SamarindaEast KalimantanIndonesia

Enhancing awareness of personal cleanliness and antibacterial resistance has intensified the antibacterial substance request on consumable products. Antibacterial agents that have been commercialized nowadays are produced from inorganic and non-renewable substances. This provides several drawbacks, particularly against health and environmental issues. Therefore, many scientists work on substituting fossil-fuel-based antibacterial agents with natural ones such as from biomass. Biomass derivatives, natural abundances of biopolymers in the world, amount to major compounds including polysaccharides (cellulose, hemicellulose, and chitosan) and polyphenol (tannin and lignin) substances which are capable to combat the growth of Gram-positive bacteria and Gram-negative bacteria. To date, no report focuses on a deep understanding of antibacterial properties derived from biomass and the internal and external factors effects. This work provides that gap because comprehensive knowledge is necessary before applying biomass to the products. The potency of biomass derivatives as antibacterial additives is also summarized. Basic knowledge of antibacterial characteristics to the application in products is highlighted in this review. Besides, the discussion about challenges and future perspectives is also delivered.

关键词： Antibacterial application Biomass derivatives Challenge Future perspectives

Synergic Evolution of Microstructure‑Texture‑Stored Energy in Rare‑Earth‑Added Interstitial‑Free Steels Undergoing Static Recrystallization

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Acta Metallurgica Sinica(English Letters) 2023年第4期36卷 661-680页

作者： Peng Liu Xiaodong Hou Chaoyun Yang Yikun Luan Chengwu Zheng Dianzhong Li Shenyang National Laboratory for materials Science Institute of Metal ResearchChinese Academy of SciencesShenyang 110016China School of materials Science and Engineering University of Science and Technology of ChinaShenyang 110016China centre of excellence for advanced materials Dongguan 523808China

Synergic evolution of microstructure-texture-stored energy in interstitial-free(IF)steels has been investigated to elaborate the effect of dissolved rare-earth(RE)elements on static *** size,texture fraction and geometrically necessary dislocation distribution of IF steel samples annealed for different times were compared,suggesting that RE elements could postpone recrystallization nucleation but accelerate grain *** visco-plastic self-consistent model was primarily adopted and verified,then used to calculate the relative activities of different slip *** was proved that the compatible deformation of IF steels was very sensitive to dissolved RE elements,in particular the{110}62 slip systems became extremely inactive,leading to anα-fibre textures rich configuration of RE-IF *** both IF steels have the same stored energy sequence of whichγ-fibre takes precedence in nucleation followed byα-fibre,the nucleation rates ofα/γ-fibres driven by the reduced stored energy slowed down in RE-IF *** nucleation-path analyses revealed that shear bands withinγ-fibre mainly sacrificed for grain nucleation of{111}orientation,whileα-fibre especially prior grain boundaries therein preferred supplying nucleation sites for{554}grains,which accounting for the competitive growth ofγ-fibre textures in RE-IF steels rather than being dominated by a single *** grain growth,the major texture of Normal-IF steels had been transferred to{554}from{111},while{554}in RE-IF steels still inherited the orientation advantage and grew up rapidly,thus inducing the grain *** this work offers a significant understanding of RE microalloying effect on static recrystallization,it will provide references for alloy design and industrial application of IF steels.

关键词： Static recrystallization IF steels RE elements Texture Grain coarsening Slip systems

Why is graphene an extraordinary material? A review based on a decade of research

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Frontiers of materials Science 2022年第2期16卷 1-39页

作者： Sachin Sharma Ashok KUMAR Shahid BASHIR Kasi RAMESH Subramaniam RAMESH centre for Ionics University of Malaya Department of PhysicsFaculty of ScienceUniversiti MalayaKuala Lumpur 50603Malaysia Higher Institution centre of excellence(HICoE) UM Power Energy Dedicated Advanced Centre(UMPEDAC)Level 4Wisma R&DUniversiti MalayaJalan Pantai BaharuKuala Lumpur 59990Malaysia

During this decade,graphene which is a thin layer of carbon material along at ease with synthesis and functionalization has become a hot topic of research owing to excellent mechanical strength,very good current density,high thermal conductivity,superior electrical conductivity,large surface area,and good electron *** research on graphene has exponentially accelerated specially when Geim and Novoselov developed and analyzed *** this basis,for industrial application,researchers are exploring different techniques to produce high-quality ***,reviewed in this article is a brief introduction to graphene and its derivatives along with some of the methods developed to synthesize graphene and its prospective applications in both research and *** this work,recent advances on applications of graphene in various fields such as sensors,energy storage,energy harvesting,high-speed optoelectronics,supercapacitors,touch-based flexible screens,and organic light emitting diode displays have been summarized.

关键词： graphene graphene oxide electrochemical sensor fuel cell supercapacitor dye-sensitized fuel cell lithium battery energy storage

Recent advances in novel aerogels through the hybrid aggregation of inorganic nanomaterials and polymeric fibers for thermal insulation

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Aggregate

Aggregate 2021年第2期2卷 100-126页

作者： Qiongzhen Liu Kun Yan Jiahui Chen Ming Xia Mufang Li Ke Liu Dong Wang Changzheng Wu Yi Xie Hubei Key Laboratory of advanced Textile materials and application Hubei International Scientific and Technological Cooperation Base of Intelligent Textile Materials and ApplicationWuhan Textile UniversityWuhanChina College of Chemistry Chemical Engineering and BiotechnologyDonghua UniversityShanghaiChina Hefei National Laboratory for Physical Sciences at the Microscale CAS Centre for Excellence in NanoscienceUniversity of Science and Technology of ChinaHefeiChina

Aerogel is a nanoporous solid material with ultrahigh porosity,ultralow density,and thermal conductivity,which is considered to be one of the most promising high-performance insulation materials ***,traditional pure inorganic aerogels(i.e.,silica aerogel)exhibit inherent structural brittleness,making their processing and handling difficult,and their manufacturing costs are relatively high,which limits their large-scale practical *** recently developed aerogel based on polymer nanofibers has ultralow thermal conductivity and density,excellent elasticity,and designable *** importantly,one-dimensional polymer nanofibers are directly used as building blocks to construct the network of aerogels via a gelation-free *** greatly simplifies the aerogel preparation process,thereby bringing opportunities for large-scale aerogel *** aggregation of inorganic nanomaterials and polymer nanofibers is considered to be a very attractive strategy for obtaining highly flexible,easily available,and multifunctional composite ***,this review summarizes the recent advances in novel aerogels through the hybrid aggregation of inorganic nanomaterials and polymeric fibers for thermal *** main processing routes,porous microstructure,mechanical properties,and thermal properties and applications of these aerogels are *** addition,various future challenges faced by these aerogels in thermal insulation applications are discussed in this review.

关键词： aerogels aggregate inorganic nanoparticles polymeric nanofibers thermal insulation

Multiferroics under the tip: probing magnetoelectric coupling at the nanoscale

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

National Science Review 2019年第4期6卷 626-628页

作者： Yunya Liu Jan Seidel Jiangyu Li Key Laboratory of Low Dimensional materials and application Technology of Ministry of Education School of Materials Science and Engineering Xiangtan University School of materials Science and Engineering University of New South Wales ARC centre of excellence in Future Low-Energy Electronics Technologies University of New South Wales Shenzhen Key Laboratory of Nanobiomechanics Shenzhen Institutes of Advanced TechnologyChinese Academy of Sciences Department of Mechanical Engineering University of Washington

Multiferroic materials, with the coexistence of electric and magnetic orderings and thus exhibition of magnetoelectric coupling, offer an intriguing playground for controlling and understanding the structure of condensed matter interacting with external stimuli, and promise exciting opportunities for technological applications. While originally

关键词： Multiferroics under the tip probing magnetoelectric coupling at the nanoscale