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Journal articles on the topic 'Composite nanoparticles'

Author: Grafiati
Published: 28 May 2022
Last updated: 31 July 2025

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1

Ghanooni Ahmadabadi, Vahide, Md Mokhlesur Rahman, and Ying Chen. "High-Rate Performance of a Designed Si Nanoparticle–Graphite Nanosheet Composite as the Anode for Lithium-Ion Batteries." Electrochem 5, no. 2 (2024): 133–45. http://dx.doi.org/10.3390/electrochem5020009.

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A silicon nanoparticle–graphite nanosheet composite was prepared via a facile ball milling process for use as the anode for high-rate lithium-ion batteries. The size effect of Si nanoparticles on the structure and on the lithium-ion battery performance of the composite is evaluated. SEM and TEM analyses show a structural alteration of the composites from Si nanoparticle-surrounded graphite nanosheets to Si nanoparticle-embedded graphite nanosheets by decreasing the size of Si nanoparticles from 250 nm to 40 nm. The composites with finer Si nanoparticles provide an effective nanostructure conta
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Petchsoongsakul, Thidarat, Peerapan Dittanet, Surapich Loykulnant, Chaveewan Kongkaew, and Paweena Prapainainar. "Synthesis of Natural Composite of Natural Rubber Filling Chitosan Nanoparticles." Key Engineering Materials 821 (September 2019): 96–102. http://dx.doi.org/10.4028/www.scientific.net/kem.821.96.

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Mechanical properties of natural rubber composite were improved by adding chitosan nanoparticles in this work. The chitosan nanoparticles were prepared by ionotropic gelation method. The effect of chitosan nanoparticle content in natural rubber at 0, 3, 6 and 9 phr were studied. Size of the synthesized chitosan nanoparticles was 282 ± 96 nm. Natural rubber vulcanization was by electron irradiation at intensity 200 kGy. The morphology of composite was investigated by scanning electron microscopy (SEM). The mechanical properties (tensile strength and modulus) were determined by tensile testing.
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Tavakolinejad, Zahra, Kamalabadi Yasaman Mohammadi, and Arman Salehi. "Comparison of the Shear Bond Strength of Orthodontic Composites Containing Silver and Amorphous Tricalcium Phosphate Nanoparticles: an ex vivo Study." Journal of Dentistry 24, no. 3 (2024): 285–92. https://doi.org/10.30476/dentjods.2022.94075.1760.

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Statement of the Problem: It is important to use orthodontic composites with favorable properties, which are easily removed after the end of the treatment but not easily debonded during treatment. Nanoparticles have drawn attention for their antibacterial properties when added to composite resins. However, the effect of addition of nanoparticle on shear bond strength is not broadly discussed. Purpose: The present study was designed to compare the shear bond strength of orthodontic brackets bonded by orthodontic composite containing silver nanoparticles with orthodontic composite containing amo
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Lee, Jun Hyup. "Design of Highly Adhesive and Water-Resistant UV/Heat Dual-Curable Epoxy–Acrylate Composite for Narrow Bezel Display Based on Reactive Organic–Inorganic Hybrid Nanoparticles." Polymers 12, no. 10 (2020): 2178. http://dx.doi.org/10.3390/polym12102178.

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To attain the narrow bezel characteristic of information displays, functional sealing composite materials should possess high adhesion strength and water barrier performance due to their narrow line widths. In this study, highly adhesive UV/heat dual-curable epoxy–acrylate composites with outstanding water-resistant performance have been proposed using photoreactive organic–inorganic hybrid nanoparticles that can react with an acrylate resin, creating a crosslinked nanoparticle network within the sealing composite. The hybrid nanoparticles consisted of reactive methacrylate groups as a shell a
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T. Sathish and R. Saravanan. "Investigation on Mechanical Properties of Kevlar Fiber and Al2O3 – SiC used Nano-polymer Composite." Journal of Environmental Nanotechnology 13, no. 2 (2024): 154–59. http://dx.doi.org/10.13074/jent.2024.06.242641.

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Kevlar is a synthetic fiber that has become well-known all over the globe because of its many industrial uses. It functions well as a composite material and is mostly used in conjunction with other materials. This study discusses the fabrication of epoxy composites with different proportions of Al2O3 and SiC nanoparticles with Kevlar fiber. In this process, SiC, and Al2O3 nanoparticles were added to Kevlar fiber and fabricated the composite by a compressed moulding machine for shear, tensile and impact tests. From these test results, incorporating Al2O3 and SiC nanoparticles with Kevlar fiber
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Krylova, Karina A., Liliya R. Safina, Ramil T. Murzaev, Julia A. Baimova, and Radik R. Mulyukov. "Effect of Nanoparticle Size on the Mechanical Strength of Ni–Graphene Composites." Materials 14, no. 11 (2021): 3087. http://dx.doi.org/10.3390/ma14113087.

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The effect of the size of nickel nanoparticles on the fabrication of a Ni–graphene composite by hydrostatic pressure at 0 K followed by annealing at 1000 and 2000 K is studied by molecular dynamics simulation. Crumpled graphene, consisting of crumpled graphene flakes interconnected by van der Waals forces is chosen as the matrix for the composite and filled with nickel nanoparticles composed of 21 and 47 atoms. It is found that the main factors that affect composite fabrication are nanoparticle size, the orientation of the structural units, and temperature of the fabrication process. The best
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Alghamdi, Abdulaziz S., K. S. Abdel Halim, Mohammed A. Amin, Abdullah S. Alshammari, Naglaa Fathy, and Mohamed Ramadan. "Interfacial Microstructure and Corrosion Behaviour of Mild Steel Coated with Alumina Nanoparticles Doped Tin Composite via Direct Tinning Route." Coatings 11, no. 11 (2021): 1318. http://dx.doi.org/10.3390/coatings11111318.

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The improvement of the surface properties of ferrous metallic materials has become a crucial criterion for advanced engineering applications. The interfacial microstructure and corrosion behaviour of mild steel coated with alumina nanoparticles doped in tin composite using the direct tinning technique were investigated. A coating layer of tin composite containing different loads of Al2O3 nanoparticles (0.25 wt.%, 0.50 wt.%, 1.00 wt.% and 1.5 wt.%) was prepared and directly deposited on a mild steel substrate. This type of a direct tinning process is considered to be a simple and low-cost route
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Mahdi, Tanjheel H., Md Ekramul Islam, Mahesh V. Hosur, and Shaik Jeelani. "Low-velocity impact performance of carbon fiber-reinforced plastics modified with carbon nanotube, nanoclay and hybrid nanoparticles." Journal of Reinforced Plastics and Composites 36, no. 9 (2017): 696–713. http://dx.doi.org/10.1177/0731684417693429.

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Addition of nanoparticles in polymeric composites for use in fabrication and characterization of fiber-reinforced plastic composites has recently shown a lot of promise. Nanoparticles typically used in most studies include multi-walled carbon nanotubes (MWCNTs) and nanoclay. In the current research, in addition to including nanoclay and MWCNTs individually, we have also studied the effect of hybrid of the two in enhancing the impact performance of carbon fiber-reinforced plastic (CFRP) composites. We have fabricated CFRP composites with 0.3 wt.% of MWCNTs, 2 wt.% of nanoclay and hybrid of MWCN
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9

Wang, Ji Fen, Hua Qing Xie, Zhong Xin, Yang Li, and Jing Li. "Thermal Properties of Composites Containing Metal Oxide Nanoparticles." Materials Science Forum 694 (July 2011): 146–49. http://dx.doi.org/10.4028/www.scientific.net/msf.694.146.

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We prepared a series of paraffin wax (PW) based phase change composite containing ZnO, Al2O3 and Fe2O3 nanoparticles, respectively. DSC results showed that there is a decrease trend in phase change latent heat capacity (Ls) with an increase of metal oxide nanoparticle loadings. ZnO/PW has higher Ls than those of Fe2O3/PW and Al2O3/PW with same metal oxide nanoparticle loadings. Transient short-hot-wire (SHW) method was used to measure thermal conductivity of these composites. The results showed that nanoparticle addition leads to substantial enhancement in the thermal conductivity of the compo
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Abida, Murtaza*1 Tayyab Ali2 &. Khaja Zaheerudeen3. "SYNTHESIS AND CHARACTERIZATION OF ALUMINUM OXIDEDISPERSED POLYSTYRENE COMPOSITE." INTERNATIONAL JOURNAL OF ENGINEERING SCIENCES & RESEARCH TECHNOLOGY 7, no. 2 (2018): 616–18. https://doi.org/10.5281/zenodo.1184028.

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Nanomaterials can be incorporated into polymeric coatings to enable significant improvement in targeted properties, i.e., scratch resistance, UV resistance, etc. Commercialprocessing methods have been developed to surface treat nanoparticles to render compatibility between the nanoparticle and polymer matrix. In addition, commercial processes to disperse the surface treated nanoparticles have been developed. These integrated technologies allow transparent coatings containing nanoparticles to be formed in a wide range of resin formulations. This paper will address the preparation and analytical
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11

Mohamed, Nather Ibraheem, Salma M. Hassan, and Khaleed J. Khalil. "Preparation, Characterization, and Antimicrobial Activity of Polyaniline and Fe2O3/Polyaniline Composite Nanoparticle." Iraqi Journal of Physics (IJP) 20, no. 1 (2022): 48–56. http://dx.doi.org/10.30723/ijp.v20i1.725.

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An oxidative polymerization approach was used to create polyaniline (PANI) and Fe2O3 /PANI nanoparticle combination. Various characterization approaches were used to investigate the structural, morphological, and Fe2O3 /PANI nanoparticle structures. The findings support the synthesis of polycrystalline nanoparticle PANI and Fe2O3 /PANI spherical nanoparticle composites. Gram-positive bacteria are tested for antibacterial activity. Various quantities of Nanoparticles of PANI and Fe2O3 /PANI nanoparticle composites were used to test Staph-aureus and gram-negative bacteria, E-coli, and candida sp
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Coetzee, Divan, Mohanapriya Venkataraman, Jiri Militky, and Michal Petru. "Influence of Nanoparticles on Thermal and Electrical Conductivity of Composites." Polymers 12, no. 4 (2020): 742. http://dx.doi.org/10.3390/polym12040742.

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This review analyzes thermal and electrically conductive properties of composites and how they can be influenced by the addition of special nanoparticles. Composite functional characteristics—such as thermal and electrical conductivity, phase changes, dimensional stability, magnetization, and modulus increase—are tuned by selecting suitable nanoparticle filler material. The conductivity of composites can be related to the formation of conductive pathways as nanofiller materials form connections in the bulk of a composite matrix. With increasing use of nanomaterial containing composites and rel
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13

Sarcev, Branislava Petronijevic, Danka Labus Zlatanovic, Miroslav Hadnadjev, et al. "Mechanical and Rheological Properties of Flowable Resin Composites Modified with Low Addition of Hydrophilic and Hydrophobic TiO2 Nanoparticles." Materiale Plastice 58, no. 2 (2021): 80–90. http://dx.doi.org/10.37358/mp.21.2.5480.

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The aim of this work was to find the influence of the addition of low amount of hydrophilic and hydrophobic TiO2 nanoparticles on compressive strength, microhardness and rheological properties of flowable dental composite material. Specimens were prepared by adding 0.05; 0.2 and 1 wt. % of hydrophilic and hydrophobic 20 nm TiO2 nanoparticles. These specimens were compared to non-modified control specimens in compressive strength and microhardness. Furthermore, their rheological properties were determined. The optimal nanoparticle loading was 0.2 % hydrophobic TiO2, resulting in significantly h
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14

Rohaeti, Eli, Endang WLFX, and Anna Rakhmawati. "Bacterial Cellulose From Rice Waste Water With Addition Chitosan, Glycerol, And Silver Nanoparticle." Molekul 11, no. 1 (2016): 9. http://dx.doi.org/10.20884/1.jm.2016.11.1.190.

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This study aimed to prepare silver nanoparticles chemically, deposite silver nanoparticles on bacterial cellulose-chitosan-glycerol composite based rice waste water, as well as test the antibacterial activity of bacterial cellulose and its composite. Preparation of silver nanoparticles was conducted by chemical reduction of silver nitrate solution, as well as trisodium citrate as the reductor. Bacterial cellulose from rice waste water is fermented by the bacteria Acetobacter xylinum for 7 days. The dried bacterial cellulose was composited with chitosan and glycerol by immersion method on 2% of
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15

Huang, Tao, Yimin Yao, Gang Zhang, and Fanling Meng. "Silver Nanoparticle-Deposited Aluminum Oxide Nanoparticle as Fillers for Epoxy Composites with High Thermal Conductivity." Advanced Composites Letters 27, no. 6 (2018): 096369351802700. http://dx.doi.org/10.1177/096369351802700601.

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With the development of polymer-filled composites, the demand of high thermal conductivity materials is much attractive than ever. However, the process of a common method to improve thermal conductivity of composites is considerably complicated. The aim of this study is to investigate thermal conductivity of epoxy filled silver nanoparticle deposited aluminum nitride nanoparticles with relatively convenient process. We found that the thermal conductivities of composites filled with AlN/Ag nanoparticles are effectively enhanced, which is enormously increased from 0.48 Wm-1K-1(1.88 vol%) to 3.66
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16

Atisme, Yu, Tseng, Chen, Hsu, and Chen. "Interface Interactions in Conjugated Polymer Composite with Metal Oxide Nanoparticles." Nanomaterials 9, no. 11 (2019): 1534. http://dx.doi.org/10.3390/nano9111534.

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This study presents the preparation, characterization, and properties of a new composite containing cerium oxide nanoparticles and a conjugated polymer. CeO2 nanoparticles prepared using the co-precipitation method were dispersed into the conjugated polymer, prepared using the palladium-catalyzed Suzuki–Miyaura cross-coupling reaction. The interface interactions between the two components and the resultant optoelectronic properties of the composite are demonstrated. According to transmission electron microscopy and X-ray absorption spectroscopy, the dispersion of CeO2 nanoparticles in the poly
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17

Salih, Sihama Issa. "Characterization of thermo-physical and hardness properties of unsaturated polyester resin hybrid nano composites Sihama Issa Salih1, Waleed Bdaiwi Salih2, Husam Sakin Hamad2." Iraqi Journal of Physics (IJP) 16, no. 37 (2018): 136–48. http://dx.doi.org/10.30723/ijp.v16i37.85.

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In this work, two groups of nanocomposite material, was prepared from unsaturated polyester resin (UPE), they were prepared by hand lay-up method. The first group was consisting of (UPE) reinforced with individually (ZrO2) nanoparticles with particle size (47.23nm). The second group consists of (UPE) reinforced with hybrid nanoparticles consisting of zirconium oxide and yttrium oxide (70% ZrO2 + 30% Y2O3) with particles size (83.98nm). This study includes the effect of selected volume fraction (0.5%, 1%, 1.5%, 2%, 2.5%, 3%) for both reinforcement nano materials. Experimental investigation was
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18

Sodipo, Bashiru Kayode, and Azlan Abdul Aziz. "Blocking Properties of Superparamagnetic Magnetite Nanoparticles and Gold/Superparamagnetic Magnetite Composite Nanoparticles." Advanced Materials Research 1108 (June 2015): 15–20. http://dx.doi.org/10.4028/www.scientific.net/amr.1108.15.

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The UV and IR block properties of superparamagnetic magnetite nanoparticles (SPMN) and SPMN/gold composite nanoparticles are investigated. The composite nanoparticles were prepared via sonochemical assisted reduction of gold precursor and deposition of gold nanoparticles (GNP) on amine functionalized SPMN. Protective properties of the SPMN and the composite nanoparticles were demonstrated via spectrophotometer measurements. Unlike in the visible and infrared region, there was 0% transmission of radiation through bare SPMN in the UV region. The presence GNP in the composites nanoparticles affec
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Bui, Quoc Binh, Qing Dong Zhong, Qiong Yu Zhou, Xi Shi, and Dan Ji. "Preparation of Epoxy-Organobentonite Nanocomposites Added ZnO-ZrO2 /Al2O3-ZrO2 Nanoparticles and Investigation on their Corrosion Resistance Property in Coating on Q235 Steel." Advanced Materials Research 1033-1034 (October 2014): 1249–53. http://dx.doi.org/10.4028/www.scientific.net/amr.1033-1034.1249.

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For purpose of synthesis new epoxy coatings to protect the structural steel in sea environment, in this paper, two epoxy-based nanocomposite samples containing low-loading of ZnO-ZrO2/ZrO2-Al2O3 nanoparticles and organobentonite nanoparticles were prepared. Pure epoxy sample and epoxy-based composite added organobentonite nanoparticles were also prepared for comparison. Dispersion of metal oxide particles and organobentonite nanoparticles into epoxy-composites were evaluated by using XRD analyses. Microhardness, adhesion and corrosion resistance over 91 days of immersion in artificial seawater
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Ani, Hussam Nadum Abdalraheem Al, Anca Maria Cimbru, Szidonia Katalin Tanczos, et al. "Iono-molecular Separation with Composite Membranes III. Nitrophenols separation on polysulphone and composite nanoparticles ultrafiltration." Revista de Chimie 68, no. 3 (2017): 427–34. http://dx.doi.org/10.37358/rc.17.3.5470.

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Building on the excellent results of extraction on a solid phase (polymer) this work combine adsorption nitrophenols (a, m, p-nitrophenols) on polymeric nanoparticles (NP-PSf) and composite (NP-PSf-PANI) with colloidal ultrafiltration. Colloidal ultrafiltration solutions of nitrophenols is done in an ultrafiltration plant, CELF System, with a capacity of 500 mL at 25oC, variable working pressure (1-10 atmospheres), turbulent flow regime (2-4 m/s) and usable filter polysulfone-membrane composites 10% in dimethylformamide coagulated with methanol polyaniline (PANI-PSf) 15 cm2. Operational parame
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Pandey, Pratima Parashar. "Silver-based plasmonic nanoparticles and their application as biosensor." Journal of Polymer Science and Engineering 6, no. 1 (2023): 2405. http://dx.doi.org/10.24294/jpse.v6i1.2405.

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The silver nanoparticles (AgNPs) exhibit unique and tunable plasmonic properties. The size and shape of these particles can manipulate their localized surface plasmon resonance (LSPR) property and their response to the local environment. The LSPR property of nanoparticles is exploited by their optical, chemical and biological sensing. This is an interdisciplinary area which involves chemistry, biology and materials science. In this paper, a polymer system is used with the optimization technique by blending of two polymers. The two polymer composites polystyrene/poly (4-vinylpyridine) (PS/P4VP)
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ALMAGGUZ, Lutfya, and Suliman SHANBR. "THE EFFECTS OF NANOTECHNOLOGY ON THE MECHANICAL AND PHYSICAL PROPERTIES OF METALS OF COOLING SYSTEMS." International Science and Technology Journal 34, no. 2 (2024): 1–38. http://dx.doi.org/10.62341/lass3487.

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Nanotechnology has revolutionized various scientific and engineering fields, including materials science. In this investigation, the focus is on examining the influence of titanium nanoparticle size on the mechanical and physical properties of metal. Incorporating nanoparticles into metal matrices presents an exciting opportunity to enhance material performance through size-dependent effects. Titanium nanoparticles have been chosen as the primary focus due to their unique properties and extensive applications. To assess the impact of nanoparticle size on mechanical properties, a series of expe
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Tang, Bin, Xue Liu, Shengxiang Deng, Wei Zhong, and Jiang Shao. "Dielectric Constant Estimation of Spherical Particle-Filled Nanocomposites Based on the Poon and Shin Model, Considering Interphase Properties." Polymers 17, no. 8 (2025): 1035. https://doi.org/10.3390/polym17081035.

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A revised version of the Poon and Shin (PS) model, incorporating the effects of the interphase, is introduced to predict the dielectric permittivity of polymer nanocomposites reinforced with spherical nanoparticles. In this modified approach, both the spherical nanoparticle and its surrounding interphase region are treated as an equivalent nanoparticle, modeled as a core–shell structure. This assumption enables a more accurate representation of the composite, where the polymer matrix and the equivalent nanoparticles form a homogeneous mixture. The process of calculating the dielectric permitti
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Rahman, Mohammad Mizanur. "Polyurethane/Zinc Oxide (PU/ZnO) Composite—Synthesis, Protective Property and Application." Polymers 12, no. 7 (2020): 1535. http://dx.doi.org/10.3390/polym12071535.

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A polyurethane (PU) is a multifunctional polymer prepared by using more than two types of monomers. The unique properties of PU come from monomers, thus broadening the applicability of PU in many different sectors. The properties can be further improved by using many nanoparticles. Different metal oxides as nanoparticles are also widely used in PU materials. ZnO is a widely used inorganic metal oxide nanoparticle for improving polymer properties. In this review article, the techniques to prepare a PU/ZnO composite are reviewed; the key protective properties, such as adhesive strength and self-
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Lee, Kwang Se, Isheunesu Phiri, Sang Hern Kim, Kyeongkeun Oh, and Jang Myoun Ko. "Preparation and Electrical Properties of Silicone Composite Films Based on Silver Nanoparticle Decorated Multi-Walled Carbon Nanotubes." Materials 14, no. 4 (2021): 948. http://dx.doi.org/10.3390/ma14040948.

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The electrical properties of silicone composite films filled with silver (Ag) nanoparticle-decorated multi-walled carbon nanotubes (MWNT) prepared by solution processing are investigated. Pristine MWNT is oxidized and converted to the acyl chloride-functionalized MWNT using thionyl chloride, which is subsequently reacted with amine-terminated poly(dimethylsiloxane) (APDMS). Thereafter, APDMS-modified MWNT are decorated with Ag nanoparticles and then reacted with a poly(dimethylsiloxane) solution to form Ag-decorated MWNT silicone (Ag-decorated MWNT-APDMS/Silicone) composite. The morphological
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Msebawi, Muntadher Sabah, Zulkiflle Leman, Shazarel Shamsudin, et al. "The Effects of CuO and SiO2 on Aluminum AA6061 Hybrid Nanocomposite as Reinforcements: A Concise Review." Coatings 11, no. 8 (2021): 972. http://dx.doi.org/10.3390/coatings11080972.

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Hybrid composites are obtained by embedding multiple micro and nano reinforcements into the matrix materials. These hybrid composites are helpful to obtain the useful properties of matrix and reinforcement materials. Aluminum matrix is one the most common matrix materials due to its excellent thermal and electrical properties. This review covers various aspects of nanoparticle-reinforced Al hybrid composites. Solid-state recycling of Al only consumes around 5% of the energy utilized in the conventional extraction and recycling methods. This review revolves around the induction of silica and co
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Zhang, Junyu, and Zhao Wang. "Nanoparticle–Hydrogel Based Sensors: Synthesis and Applications." Catalysts 12, no. 10 (2022): 1096. http://dx.doi.org/10.3390/catal12101096.

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Hydrogels are hydrophilic three-dimensional (3D) porous polymer networks that can easily stabilize various nanoparticles. Loading noble metal nanoparticles into a 3D network of hydrogels can enhance the synergy of the components. It can also be modified to prepare intelligent materials that can recognize external stimuli. The combination of noble metal nanoparticles and hydrogels to produce modified or new composite materials has attracted considerable attention as to the use of these materials in sensors. However, there is limited review literature on nanoparticle–hydrogel-based sensors. This
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Kodama, Eriko, Junichi Tatami, Toru Wakihara, Takeshi Meguro, Katsutoshi Komeya, and Hiromi Nakano. "Fabrication and Mechanical Properties of TiN Nanoparticle-Dispersed Si3N4 Ceramics from Si3N4-Nano TiO2 Composite Particles Obtained by Mechanical Treatment." Key Engineering Materials 403 (December 2008): 221–24. http://dx.doi.org/10.4028/www.scientific.net/kem.403.221.

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TiN nanoparticle-dispersed Si3N4 ceramics is one of the typical ceramics used for bearing applications. Because larger TiN particles considerably damage the mating metallic materials, smaller TiN particles must be dispersed in Si3N4 ceramics. In this study, we fabricated TiN nanoparticle-dispersed Si3N4 ceramics from Si3N4–nano TiO2 composite particles prepared by mechanical treatment. The mechanical properties of the fabricated TiN nanoparticle-dispersed Si3N4 ceramics were evaluated. At first, TiO2 nanoparticles were dispersed in ethanol using polyethylene imide as a dispersant with a lower
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Calandra, Pietro, Valeria La Parola, Vincenzo Turco Liveri, Elefterios Lidorikis, and Fabio Finocchi. "Composite Nanoparticles." Journal of Chemistry 2013 (2013): 1–2. http://dx.doi.org/10.1155/2013/536341.

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Joy, Francis, Jyothis Devasia, Aatika Nizam, Vasantha Veerappa Lakshmaiah, and Suresh Babu Naidu Krishna. "Fungi-Templated Silver Nanoparticle Composite: Synthesis, Characterization, and Its Applications." Applied Sciences 13, no. 4 (2023): 2158. http://dx.doi.org/10.3390/app13042158.

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The self-assembly of nanoparticles on living bio-templates is a promising synthetic methodology adopted for synthesizing nano/microstructures with high efficiency. Therefore, the method of bio-templating offers various advantages in controlling the geometries of nano/microstructures, thereby increasing the efficiency of the synthesized material towards various functional applications. Herein, we utilized a filamentous fungus (Sclerotium rolfsii) as a soft bio-template to generate silver nanoparticle (AgNP) microtubules adhering to the fungal hyphae. The resulting composite combines the unique
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Li, Zhe Fei, Jian Xie, Lia Stanciu, and Yang Ren. "Nanostructured Graphenes and Metal Oxides for Fuel Cell and Battery Applications." Advanced Materials Research 705 (June 2013): 126–31. http://dx.doi.org/10.4028/www.scientific.net/amr.705.126.

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Graphene/spacer nanoparticle composites were prepared by reducing graphene oxide with hydrazine in the presence of different contents of polyaniline nanoparticles. In-situ cryo-TEM image of GO-spacer solution shows that spacer nanoparticles are anchored on GO sheets. During the reduction, as-adsorbed spacer nanoparticles were sandwiched between layers of graphene. These spacer nanoparticles act as spacers to create gaps between neighboring graphene sheets, resulting in higher surface area. Graphene/spacer nanocomposites exhibited highest specific surface area of 1500 m2/g. Utilizing this compo
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Abdizadeh challoob, Adyan, and Najwa J. Jubier. "Green Synthesis of Ag-Cu NPs using Black Eggplant Extract as the Reducing and Stabilizing Agents: Characterization and Energy Band Gap." Journal of Physics: Conference Series 2974, no. 1 (2025): 012032. https://doi.org/10.1088/1742-6596/2974/1/012032.

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Abstract The study successfully demonstrated an eco-friendly approach to synthesizing Ag, Cu nanoparticles, and Ag-Cu nanoparticle composites using Black eggplant extract as both a reducing and stabilizing agent, with calcination at 400°C. The research revealed distinct plasmonic properties through Surface Plasmon Resonance (SPR) bands observed at specific wavelengths: 400 nm for Ag, 524 nm for Cu, and dual bands at 406 nm (SPR1) and 600 nm (SPR2) for Ag-Cu nanoparticle composites. The energy gap values for Ag-Cu were identified at 1.8eV, 2.5eV, and 3.7eV. XRD analysis confirmed a polycrystall
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Ibrahim, Aseel, Rawa Ibrahim, Ali Abdullah, et al. "Study The Influence of Doping Electric and Magnetic Nanoparticles on The Nonlinear Optical Properties of Nematic Liquid Crystals." Iraqi Journal of Physics (IJP) 18, no. 47 (2020): 91–99. http://dx.doi.org/10.30723/ijp.v18i47.578.

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The nonlinear optical properties response of nematic liquid crystal (6CHBT) and the impact of doping with two kinds of nanoparticles; Fe3O4 magnetic nanoparticles and SbSI ferroelectric nanoparticles have been studied using the non-linear dynamic method through z-scan measurement technique. This was achieved utilizing CW He-Ne laser. The pure LC and magnetic LC nanoparticle composite samples had a maximum absorption while the ferroelectric LC nanoparticle composite had a minimum absorption of the incident light. The nonlinear refractive index was positive for the pure LC and the rod-like ferro
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Chen, Guang, Bomin Huang, Hui Liu, Y. C. Chan, Zirong Tang, and Fengshun Wu. "An investigation of microstructure and properties of Sn3.0Ag0.5Cu-XAl2O3 composite solder." Soldering & Surface Mount Technology 28, no. 2 (2016): 84–92. http://dx.doi.org/10.1108/ssmt-08-2015-0027.

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Purpose The purpose of this paper is to investigate microstructure and properties of Sn3.0Ag0.5Cu-XAl2O3 composite solder which were prepared through powder metallurgy route. Design/methodology/approach Sn3.0Ag0.5Cu (SAC305)-XAl2O3 (X = 0.2, 0.4, 0.6, 0.8 Wt. %) composite solders were prepared through the powder metallurgy route. The morphology of composite solder powders which consists of Al2O3 particles and SAC solder powders after ball milling was observed. The retained ratio of Al2O3 nanoparticles in composite solder billets and solder joints were also quantitatively measured. Furthermore,
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G, R. Gurunagendra T. N. Ravishankar, Ravikeerthi, and R. Raju B. "DRY SLIDING WEAR STUDIES OF ZINC ALUMINIUM ALLOY CONTAINING MICRO AND NANO SOLID LUBRICANTS." International Journal of Engineering Research and Advanced Technology (IJERAT) 5, no. 7 (2019): 7–13. https://doi.org/10.31695/IJERAT.2019.3457.

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<em>This paper has carried out characterization and dry sliding wear of ZA alloy composites reinforced with solid lubricants like graphite microparticles and zinc oxide nanoparticles to enhance the wear properties of ZA-Nano composite. ZA composite samples were fabricated using Nano ZnO and micro graphite particulates (50-60 microns) by stir casting technique. Microstructural examination were used to characterize the composite samples produced. The results show that hardness of the composite samples increased with an increase in weight percentage of graphite and ZnO nanoparticles. It was gener
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ZHANG, LIN-LIN, HONG-ZHEN XIE, MIN ZHANG, JIN-KU LIU, and XIAO-HONG YANG. "EFFECTIVE SYNTHESIS AND APPLICATION OF ZAO NANOPARTICLES WITH GOOD DISPERSION." Nano 07, no. 03 (2012): 1250017. http://dx.doi.org/10.1142/s1793292012500178.

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The well dispersed ZAO nanoparticle with 25–30 nm in diameter was prepared by an ultrasonic-template method. The morphologies, structures, and photoelectricity of the ZAO nanoparticles were analyzed by TEM, XRD, UV-Vis, etc. The thermochemistry behaviors of the precursor were studied by TG-DSC. The composite film with semipermeable structure made from ZAO nanoparticles and collodion can be explored firstly. The photocatalytic properties of the ZAO nanoparticles and composite film were investigated. The composite film can be applied in the sewage treatment field.
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37

UZAY, Çağrı. "Investigating the Wear Behaviors of Silane Coated Silica Filled Glass/Epoxy Nanocomposites." Afyon Kocatepe University Journal of Sciences and Engineering 23, no. 1 (2023): 260–69. http://dx.doi.org/10.35414/akufemubid.1106626.

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Wear behaviors of silane coated silica (SiO2) nanoparticle-filled glass fiber reinforced polymer composites were investigated depending on the type of silane coating (KH550: -Aminopropyl-triethoxy-silane and KH570: -Methacryloxypropyl-trimethoxy-silane) and nanoparticle percentages within the polymer matrix. Unlike the cases given in most research studies, the silanized silica nanoparticles were used as received. Therefore, the synergistic effects of silanization and nanoparticle reinforcement were successfully applied since the silanization process was eliminated. The matrix modification w
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38

Saroha, Ankita. "The Role of Nanotechnology in Enhancing the Mechanical Properties of Composite Materials." Universal Research Reports 11, no. 5 (2024): 10–14. https://doi.org/10.36676/urr.v11.i5.1444.

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Nanotechnology has emerged as a transformative approach in the development of composite materials, offering unprecedented enhancements in their mechanical properties. This paper reviews recent advancements in the integration of nanotechnology in composite material design, specifically focusing on the impact of nanoscale reinforcements, such as nanoparticles, nanotubes, and nanofibers, on the mechanical strength, durability, and performance of composites. By embedding these nanoscale additives into traditional composite matrices, researchers have observed significant improvements in tensile str
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Chen, Minghua, Wenqi Zhou, Jiawei Zhang, and Qingguo Chen. "Dielectric Property and Space Charge Behavior of Polyimide/Silicon Nitride Nanocomposite Films." Polymers 12, no. 2 (2020): 322. http://dx.doi.org/10.3390/polym12020322.

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Polymeric materials have many applications in multiple industries. In this paper, silicon nitride nanoparticles (Si3N4) were incorporated into a polyimide (PI) matrix to obtain composite films via the in situ polymerization method. The Si3N4 nanoparticles were consistently scattered in the composites, and the thickness of PI/Si3N4 films was around 50 µm. The effects of nanoparticle content on the dielectric constant, loss tangent and breakdown strength were simultaneously studied. A 3 wt.% doped PI/Si3N4 film revealled excellent dielectric properties, a dielectric constant (ε) of 3.62, a diele
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40

Bulychev, Nikolay A., and Yuri G. Mikhailov. "Obtaining polymer composite materials based on zinc oxide nanoparticles synthesized in a plasma discharge under the action of ultrasound." Radioelectronics. Nanosystems. Information Technologies. 15, no. 2 (2023): 161–68. http://dx.doi.org/10.17725/rensit.2023.15.161.

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Zinc oxide nanoparticles were synthesized and samples of films of polymer composite materials on their basis were obtained and studied. Zinc oxide nanoparticles were synthesized in a plasma discharge under the action of ultrasonic cavitation. To create composites with a homogeneous distribution of nanoparticles, solution technology was used, and then melt compounding technology. Composite materials based on a copolymer of polyethylene and vinyl acetate and zinc oxide nanoparticles were obtained, and not sonicated and sonicated nanoparticles were used. The obtained samples of composite material
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41

Tagaya, Motohiro, and Masaru Nakagawa. "Incorporation of Decanethiol-Passivated Gold Nanoparticles into Cross-Linked Poly(Dimethylsiloxane) Films." Smart Materials Research 2011 (December 30, 2011): 1–7. http://dx.doi.org/10.1155/2011/390273.

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Cross-linking degree of a poly(dimethylsiloxane) (PDMS) film was controlled, and the incorporation of hydrophobic decanethiol-passivated gold (Au) nanoparticles into the film was investigated. FT-IR spectra indicated that the hydrosilylation reaction between a vinyl group and a hydrosilyl group occurred with the cross-linking. The swelling degree of the film in toluene changed with a cross-linker concentration, indicating the control of the cross-linking degree of PDMS film. By EDX analysis, the amount of incorporated Au nanoparticles increased with decreasing a cross-linker concentration, ind
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Yang, Lixia, Fei Wang, Jiahao Liao, Zhaofeng Chen та Zongde Kou. "Microstructure and Mechanical Properties of Unidirectional, Laminated Cf/SiC Composites with α-Al2O3 Nanoparticles as Filler". Nanomaterials 12, № 19 (2022): 3406. http://dx.doi.org/10.3390/nano12193406.

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The effects of an α-Al2O3 nanoparticle filler in the SiC matrix on the mechanical properties and failure mechanism of the unidirectional, laminated carbon fiber-reinforced SiC composites were investigated in this work. First, α-Al2O3 nanoparticles were added to the carbon fiber bundles using a slurry impregnation method, and then the Cf/SiC composite with an α-Al2O3 nanoparticle filler (Cf/SiC-Al2O3) was fabricated using a precursor infiltration and pyrolysis method. The microstructure of the Cf/SiC-Al2O3 composite showed chemical compatibility between the α-Al2O3 and the pyrolysis SiC. The Cf
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Burak Kaybal, Halil, Ali Unuvar, Yusuf Kaynak, and Ahmet Avcı. "Evaluation of boron nitride nanoparticles on delamination in drilling carbon fiber epoxy nanocomposite materials." Journal of Composite Materials 54, no. 2 (2019): 215–27. http://dx.doi.org/10.1177/0021998319860245.

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The reinforcements of nanoparticles have an important role in improving the machinability of nanocomposite materials. Except for the known nanoparticles such as carbon nanotube, graphene, nanoclay, etc., the effect of boron nitride reinforcement on the machinability of composite materials are a recent research topic. In this study, boron nitride nanoparticle was introduced to the matrix resin that brings about additional strength and enhancement in thermal and mechanical properties of the composite. Though it was confirmed that this composition enhances the focused properties, it is necessary
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Bhuvaneshwaran, Purushothaman, and Ramaiyan Velmurugan. "Development, optimization, and evaluation of Cisplatin-loaded PLGA nanoparticles." Characterization and Application of Nanomaterials 5, no. 2 (2022): 99. http://dx.doi.org/10.24294/can.v5i2.1768.

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Nanoparticle drug delivery systems are engineered technologies that use nanoparticles for the targeted delivery and controlled release of therapeutic agents. Cisplatin-loaded nanoparticle formulations were optimized utilizing response surface methods and the central composite rotating design model. This study employed a central composite rotatable design with a three-factored factorial design with three tiers. Three independent variables namely drug polymer ratio, aqueous organic phase ration, and stabilizer concentration were used to examine the particle size, entrapment efficiency, and drug
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Hadi, Ahmed Namah, and Mohammed Razzaq Mohammed. "Performance of Biocomposite Materials Reinforced by Hydroxyapatite and Seashell Nanoparticles for Bone Replacement." Journal of Nanotechnology 2022 (October 18, 2022): 1–9. http://dx.doi.org/10.1155/2022/9156522.

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Bone defects and disorders include trauma, osteonecrosis, osteoporosis, bone tumours, arthritis rheumatoid, osteosarcoma, and iatrogenic injury. Obtaining a composite material with characteristics that mimic what bones in the human body have is a vital target for the purpose of replacing or repairing damaged bones. The key objective of this study was to develop a composite having mechanical and biological properties that resemble to a large extent native bone features. Highly biocompatible epoxy resin was reinforced by various weight fractions of seashell nanoparticles. The morphologies of the
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Li, Yun Tao, Jing Liu, Li Wang, et al. "Preparation and Characterization of Mno.5Zno.5Fe2O4 @Au Composite Nanoparticles and its Anti-Tumor Effect on Glioma Cells." Applied Mechanics and Materials 138-139 (November 2011): 907–13. http://dx.doi.org/10.4028/www.scientific.net/amm.138-139.907.

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To explore the preparation method and characters of a new gold nanoshells on maganese-zinc ferrite (Mno.5Zno.5Fe2O4@Au) composite nanoparticles. Mno.5Zno.5Fe2O4@Au nanoparticles with core/shell structure were synthesized by reduction of Au3+ with trisodium citrate in the presence of Mno.5Zno.5Fe2O4 magnetic nanoparticles (MZF-NPs) prepared by improved co-preciption with the character of superparamagnetism and detected by transmission electron microscopy (TEM), scanning electron microscopy (SEM), x-ray diffraction (XRD), energy dispersive spectrometry (EDS) and Marven laser particle size analyz
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47

Dorairajan, Mukundan, Vikram Srinivas, Vasanthakumari Raju, and Gayathri Raghavan. "Temperature Dependent Electrical Properties of Green Synthesized Silver Nanoparticles-Polyaniline Composite." Advanced Materials Research 938 (June 2014): 230–35. http://dx.doi.org/10.4028/www.scientific.net/amr.938.230.

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Polyaniline (PANI) Nanocomposites are potential materials for actuators, EMI shielding, Fuel cells and components in non volatile memory. Silver nanoparticles have wide range of applications such as catalysis, microelectronics, biotechnology and silver-oxide batteries. This work reports the effect of thermal alteration [lowhigh temperatur on the electrical conductivity of green synthesized silver (Ag) nanoparticles-polyaniline composite. A simple low cost green synthesis using Azadirachta indica [Neem] extract is employed for synthesis of silver nanoparticles; Polyaniline is prepared by redox
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48

QI, H. T., J. B. GAO, K. F. ZHENG, X. M. DU, and F. G. LIU. "MICROSTRUCTURE AND TENSILE PROPERTIES OF ALUMINUM MATRIX COMPOSITES REINFORCED WITH SIC NANOPARTICLES COATED GRAPHENE." Digest Journal of Nanomaterials and Biostructures 15, no. 2 (2020): 407–17. http://dx.doi.org/10.15251/djnb.2020.152.407.

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In this paper, the composite reinforced phases that SiC nanoparticles were coated with graphene were prepared by high energy ball milling. The coated situation and strengthening effect of two kinds of reinforced phases with different proportion were investigated. XRD, SEM and TEM were used to characterize composite powders and composite samples. It was found that the microstructure of graphene was destroyed with the increase of the ratio of graphene vs SiC nanoparticle. In addition, the reinforced phase in the samples of all composite materials is mainly distributed at the Al grain boundaries.
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49

Yang, X. C., W. J. Li, Z. H. Li, Y. N. Wei, and Wen Hai Huang. "Optical Properties of Ag Nanoparticle-Glass Composites." Key Engineering Materials 368-372 (February 2008): 1442–45. http://dx.doi.org/10.4028/www.scientific.net/kem.368-372.1442.

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Silver nanoparticles doped glass composites were prepared by ion-exchange and subsequent thermal treatment processes. The optical properties of silver nanoparticle-glass composites were investigated by UV-VIS spectrophotometer and z-scan technique. The results show that the optimal Ag+/Na+ ion-exchange temperature range is between 310°C and 380°C, higher ion-exchange temperature or higher AgNO3 concentration in melt or longer ion-exchange period favors the introduction of more Ag+ ions into soda lime silicate glasses. The higher Ag+ concentration introduced into silicate glass, the larger the
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Khannanov, Artur, Anastasia Burmatova, Dinar Balkaev, et al. "Control of Dielectric, Mechanical, and Thermal Properties of a Polymer Composite Based on ABS Using CoB Nanoparticles." Polymers 17, no. 1 (2024): 38. https://doi.org/10.3390/polym17010038.

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This article is devoted to the development of a new method for the synthesis of magnetic cobalt boride nanoparticles using a low-energy approach. The obtained nanoparticles were used to create composite materials based on industrial thermoplastic ABS. The effect of different concentrations of nanoparticles on the physical, mechanical, magnetic, and dielectric properties of composite materials was studied. It was proven that by varying the concentration of nanoparticles in the ABS composite, it is possible to control the glass transition temperature from 107.5 to 112 °C. The resulting composite
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