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Щоб переглянути інші типи публікацій з цієї теми, перейдіть за посиланням: Insulator; Temperature; Asbestos Coating Materials.

Статті в журналах з теми "Insulator; Temperature; Asbestos Coating Materials"

Автор: Grafiati

Опубліковано: 3 червня 2025

Оновлено: 31 липня 2025

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1

Dr., S. K. Mahobia, and G.R.Kumrey Prof. "EXPERIMENTAL STUDY OF INSULATOR USING ASBESTOS COATING MATERIALS WITH DIFFERENT TEMPERATURE." International Journal of Engineering Technologies and Management Research 4, no. 10 (2017): 114–18. https://doi.org/10.5281/zenodo.1051011.

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Анотація:

<strong><em>In this paper we are study about insulator with asbestos coating material. The applied loads are as 1000 Watts, 2000Watts, 3000Watts, 4000Watts, and 5000Watts. The coated insulators are used in distribution Line, in this study we are achieving the maximum Temperature and also achieving the stable point of using insulator</em>.</strong>

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2

Mahobia, S. K., and G. R. Kumrey. "EXPERIMENTAL STUDY OF INSULATOR USING ASBESTOS COATING MATERIALS WITH DIFFERENT TEMPERATURE." International Journal of Engineering Technologies and Management Research 4, no. 10 (2020): 114–18. http://dx.doi.org/10.29121/ijetmr.v4.i10.2017.112.

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Анотація:

In this paper we are study about insulator with asbestos coating material. The applied loads are as 1000 Watts, 2000Watts, 3000Watts, 4000Watts, and 5000Watts. The coated insulators are used in distribution Line, in this study we are achieving the maximum Temperature and also achieving the stable point of using insulator.

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3

Yuriy, Tsapko, Rogovskii Ivan, Titova Liudmyla, et al. "Establishing patterns of heat transfer to timber through a protective structure." Eastern-European Journal of Enterprise Technologies 6, no. 10 (108) (2020): 65–71. https://doi.org/10.15587/1729-4061.2020.217970.

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The conducted studies of the impact of thermal action of a high-temperature magnesium flame on construction materials for timber protection from atmospheric factors revealed a pattern of temperature transfer to timber. It was proved that depending on the thermophysical properties of the material, this can lead to its ignition or slowing down the thermal conductivity process. That is why there arises the need to study the conditions for thermal conductivity and establish the mechanism for inhibition of heat transfer to timber. In this regard, a mathematical model of the process of transferring

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4

Singh Thakur, Akshay, and Arun Pachori. "EXPERIMENTAL STUDY FOR PERFORMANCE EVALUATION OF INSULATOR USING VARIOUS COATING MATERIALS UNDER DIFFERENT ATMOSPHERIC CONDITIONS." International Journal of Research -GRANTHAALAYAH 5, no. 6 (2017): 669–72. http://dx.doi.org/10.29121/granthaalayah.v5.i6.2017.2099.

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In this study, we have an insulator is subjected to high voltage under various atmospheric condition. Without porcelain and asbestos coatings to judge the performance and with porcelain and asbestos coatings to judge the performance of electrical insulation materials, upto 44 KV during various atmospheric condition. And for porcelain insulating material, upto 41 KV.

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5

Akshay, Singh Thakur, and Arun Pachori Prof. "EXPERIMENTAL STUDY FOR PERFORMANCE EVALUATION OF INSULATOR USING VARIOUS COATING MATERIALS UNDER DIFFERENT ATMOSPHERIC CONDITIONS." International Journal of Research - Granthaalayah 5, no. 6 (2017): 669–72. https://doi.org/10.5281/zenodo.833965.

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Анотація:

In this study, we have an insulator is subjected to high voltage under various atmospheric condition. Without porcelain and asbestos coatings to judge the performance and with porcelain and asbestos coatings to judge the performance of electrical insulation materials, upto 44 KV during various atmospheric condition. And for porcelain insulating material, upto 41 KV.

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6

Akshay, Singh Thakur, and Arun Pachori Prof. "A REVIEW OF EXPERIMENTAL STUDY AND PERFORMANCE OF INSULATOR USING VARIOUS COATING MATERIALS." International Journal of Engineering Technologies and Management Research 4, no. 6 (2017): 14–16. https://doi.org/10.5281/zenodo.833994.

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<strong><em>Pollution flashover is a critical problem which affects the safety of operation of power system. In order to prevent pollution flashover accidents of outdoor insulation devices, a series of anti-pollution coatings got application. Different alternatives are used to improve the behavior of the electrical insulation used in transmission lines and thus reduce or prevent the transmission line outages caused by pollution.</em></strong>

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7

Killinger, Andreas, and Rainer Gadow. "Thermally Sprayed Coating Composites for Film Heating Devices." Advances in Science and Technology 45 (October 2006): 1230–39. http://dx.doi.org/10.4028/www.scientific.net/ast.45.1230.

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Direct heated systems in white goods for medium temperature applications (approx. 250° -350° C) can be applied onto glass, glass ceramic and metal substrates by means of thermal spray techniques. Essentially, such a system requires at least two functional layers to work properly: (1) The metal coating that works as the heating element and (2) an insulator coating that electrically separates the substrate from the film heater. Therefore, the heating device combines three materials (substrate, insulator and film heater) with rather different thermophysical properties. An optimized spray depositi

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8

Tang, Kechao, Kaichen Dong, Jiachen Li, et al. "Temperature-adaptive radiative coating for all-season household thermal regulation." Science 374, no. 6574 (2021): 1504–9. http://dx.doi.org/10.1126/science.abf7136.

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A passive turnoff Passive radiative cooling technology uses the infrared atmospheric window to allow outer space to be a cold sink for heat. However, this effect is one that is only helpful for energy savings in the warmer months. Wang et al . and Tang et al . used the metal-insulator transition in tungsten-doped vanadium dioxide to create window glass and a rooftop coating that circumvents this problem by turning off the radiative cooling at lower temperatures. Because the transition is simply temperature dependent, this effect also happens passively. Model simulations suggest that these mate

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9

Salem, Ali Ahmed, Kwan Yiew Lau, Wan Rahiman, et al. "Pollution Flashover Characteristics of Coated Insulators under Different Profiles of Coating Damage." Coatings 11, no. 10 (2021): 1194. http://dx.doi.org/10.3390/coatings11101194.

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Based on experiments and numerical analysis techniques, this paper aims to investigate the influence of the four different coating damage profiles on the performance of coated 33 kV porcelain insulator strings under polluted and clean surface conditions. The performance of the insulators coated with room temperature vulcanizing (RTV) under partial coating damage and undamaged coating was evaluated. The influence of humidity on pollution flashover was taken into consideration. The ring-shaped, fan-shaped, and random-shaped coating was applied following coating damage. The results showed that th

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10

Diantari, Retno Aita, Rachmawati, Umar Khayam, and Suwarno. "Gum Rosin Characteristics as Alternative Coating Material to Improve High Voltage Outdoor Insulator Performance." Emerging Science Journal 9, no. 3 (2025): 1477–92. https://doi.org/10.28991/esj-2025-09-03-018.

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Numerous attempts have been made to enhance the performance of ceramic insulators, including insulators' design modification, surface coating application, and regular maintenance improvement. Room Temperature Vulcanized (RTV) silicone rubber, frequently employed as a coating for outdoor ceramic insulators, may deteriorate due to continuous exposure to ozone and ultraviolet (UV) light, resulting in a loss of insulating properties and potential surface cracking. This research aims to investigate the characteristics of new materials intended as additional coating materials for high voltage insula

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11

Chotirat, Ladawan, Sutham Niyomwas, Witthawat Wongpisan, and Sitthisuntorn Supothina. "Low-Temperature Synthesis of Vanadium Dioxide Thin Films by Sol-Gel Dip Coating Method." Journal of Nanotechnology 2021 (June 17, 2021): 1–7. http://dx.doi.org/10.1155/2021/4868152.

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The vanadium dioxide (VO2) thin films were synthesized by sol-gel dipping on a glass slide substrate at low temperature of 500°C in a vacuum tube furnace at a pressure of 2 × 10−3 mbar by 2-step calcination without an intermediate gas purging. Synthesis conditions, including temperature, vacuum pressure, and calcination steps in the vacuum tube furnace, were investigated to find the optimum condition that promoted the formation of VO2 phase. It was found that the 2nd calcination step was very important in realizing the monoclinic vanadium dioxide (VO2 (M)). The results of the valence electron

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12

Challab, Farhan Kamil, Salah Kareem Jawad, and Maan Aabid Tawfiq. "Multilayer coating effects on the thermal conductivity of tools using an electric furnace technique^**." Journal of the Mechanical Behavior of Materials 30, no. 1 (2021): 285–91. http://dx.doi.org/10.1515/jmbm-2021-0031.

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Abstract This paper demonstrates the effects of multilayer coatings on the thermal conductivity of tool specimens. The experiments were conducted using copper specimens and four tool specimens with different coatings (uncoated, TiN, TiN/TiCN, and TiN/Al2O3/TiCN). An electrical furnace technique was used with the specimens isolated from their surroundings and temperatures measured at the contact surfaces. The specimens are joined securely, with a thermal insulator (glass wool) placed around them so that the heat flow is in the axial direction only. One surface of the copper specimen faces the h

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13

Cao, Zhiqiang, Longqing Chen, Zhenxiang Cheng, and Wenbin Qiu. "Induced Superconducting Transition in Ultra-Thin Iron-Selenide Films by a Mg-Coating Process." Materials 14, no. 21 (2021): 6383. http://dx.doi.org/10.3390/ma14216383.

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Binary Iron selenide (FeSe) thin films have been widely studied for years to unveil the high temperature superconductivity in iron-based superconductors. However, the origin of superconducting transition in this unconventional system is still under debate and worth deep investigations. In the present work, the transition from insulator to superconductor was achieved in non-superconducting FeSe ultrathin films (~8 nm) grown on calcium fluoride substrates via a simple in-situ Mg-coating by a pulsed laser deposition technique. The Mg-coated FeSe film with an optimized amount of Mg exhibited a sup

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14

Fan, Lei, Bo Li, Yan Wang, et al. "Superhydrophobic Epoxy/Fluorosilicone/PTFE Coatings Prepared by One-Step Spraying for Enhanced Anti-Icing Performance." Coatings 13, no. 3 (2023): 569. http://dx.doi.org/10.3390/coatings13030569.

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The icing of glass insulators is likely to cause faults such as insulator flashover, which poses a serious threat to the power system. Traditional deicing techniques have the disadvantage of being costly and inefficient. Herein, polytetrafluoroethylenes (PTFEs) as nanoparticles and epoxy and fluorosilicone resins as binders were blended to construct an anti-icing coating. The superhydrophobic (SHP) epoxy/fluorosilicone/PTFE coatings for anti-icing were successfully prepared on glass slides through one-step spraying. The effect of PTFE mass fraction on the microstructure, on the wettability and

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15

Mackiewicz, M., J. L. Mikulski, J. Wańkowicz, S. Kucharski, P. Ranachowski, and Z. Ranachowski. "Study of Composite Insulator Sheds Subjected to Wheel Test." Archives of Metallurgy and Materials 62, no. 2 (2017): 679–86. http://dx.doi.org/10.1515/amm-2017-0101.

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Abstract The paper presents investigation of the properties of the surface and the material stiffness – flexibility of series of samples taken from the sheds of the composite insulators. The insulators were previously subjected to wheel test. The wheel test and 1000 h salt fog test are regarded as alternative examination of the material resistance to the effects of electrical surface discharges. There were investigated two series of the samples of the composite insulators sheds. Examined specimens, made of HTV silicone rubber, were taken from the sheds of medium-voltage composite insulators of

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16

Wang, Shancheng, Tengyao Jiang, Yun Meng, Ronggui Yang, Gang Tan, and Yi Long. "Scalable thermochromic smart windows with passive radiative cooling regulation." Science 374, no. 6574 (2021): 1501–4. http://dx.doi.org/10.1126/science.abg0291.

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Анотація:

A passive turnoff Passive radiative cooling technology uses the infrared atmospheric window to allow outer space to be a cold sink for heat. However, this effect is one that is only helpful for energy savings in the warmer months. Wang et al . and Tang et al . used the metal-insulator transition in tungsten-doped vanadium dioxide to create window glass and a rooftop coating that circumvents this problem by turning off the radiative cooling at lower temperatures. Because the transition is simply temperature dependent, this effect also happens passively. Model simulations suggest that these mate

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17

CABO MONTES DE OCA, A., N. H. MARCH, and A. CABO-BIZET. "HARTREE–FOCK SOLUTIONS OF 2D INTERACTING TIGHT-BINDING ELECTRONS: MOTT PROPERTIES AND ROOM TEMPERATURE SUPERCONDUCTIVITY INDICATIONS." International Journal of Modern Physics B 28, no. 04 (2014): 1450027. http://dx.doi.org/10.1142/s0217979214500271.

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Former results for a tight-binding (TB) model of CuO planes in La 2 CuO 4 are reinterpreted here to underline their wider implications. It is noted that physical systems being appropriately described by the TB model can exhibit the main strongly correlated electron system (SCES) properties, when they are solved in the HF approximation, by also allowing crystal symmetry breaking effects and noncollinear spin orientations of the HF orbitals. It is argued how a simple 2D square lattice system of Coulomb interacting electrons can exhibit insulator gaps and pseudogap states, and quantum phase trans

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18

Frankis, Henry, Daniel Su, Dawson Bonneville, and Jonathan Bradley. "A Tellurium Oxide Microcavity Resonator Sensor Integrated On-Chip with a Silicon Waveguide." Sensors 18, no. 11 (2018): 4061. http://dx.doi.org/10.3390/s18114061.

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We report on thermal and evanescent field sensing from a tellurium oxide optical microcavity resonator on a silicon photonics platform. The on-chip resonator structure is fabricated using silicon-photonics-compatible processing steps and consists of a silicon-on-insulator waveguide next to a circular trench that is coated in a tellurium oxide film. We characterize the device’s sensitivity by both changing the temperature and coating water over the chip and measuring the corresponding shift in the cavity resonance wavelength for different tellurium oxide film thicknesses. We obtain a thermal se

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19

Srivastava, Amit Kumar, Subhash Thota, and Jitendra Kumar. "Preparation, Microstructure and Optical Absorption Behaviour of NiO Thin Films." Journal of Nanoscience and Nanotechnology 8, no. 8 (2008): 4111–15. http://dx.doi.org/10.1166/jnn.2008.an36.

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Nickel oxide thin films have been prepared by spin coating on glass, silicon(111) and quartz substrate using a solution of nickel acetate tetrahydrate in 2-methoxyethanol and mono-ethanolamine and subsequent annealing at 300–600 °C for 2 h in air. These films have been characterized with regard to phase, microstructure and optical absorption using X-ray diffraction, atomic force microscopy and UV-visible spectrophotometry, respectively. It is shown that NiO thin films have polycrystalline nature and possess an f.c.c. (NaCl-type) structure with lattice parameter varying with annealing temperatu

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20

Gaspari, M., S. Mengali, M. Simeoni, et al. "Metamaterial-based smart and flexible Optical Solar Reflectors." IOP Conference Series: Materials Science and Engineering 1287, no. 1 (2023): 012003. http://dx.doi.org/10.1088/1757-899x/1287/1/012003.

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Abstract In the frame of projects funded by the European Commission and the ESA, we developed a new type of Optical Solar Reflector (OSR) that combines the flexibility and easy handling of Second Surface Mirrors with the temperature-variable emittance necessary to ensure both effective radiative cooling in the hot phase and reduced heat losses in the cold phase. The new smart OSR consists of a metamaterial coating deposited on Kapton film. The coating is made of two functional blocks, namely a variable emitter topped by a dielectric solar reflector. The variable emitter is a Metamaterial Perfe

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21

Alaskaree, Ekram. "OPTIMIZING HEAT TRANSFER IN INNOVATIVE SOLAR WATER HEATERS USING RECYCLED MATERIALS: ENHANCING EFFICIENCY AND SUSTAINABILITY." Kufa Journal of Engineering 16, no. 2 (2025): 58–80. https://doi.org/10.30572/2018/kje/160204.

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The study demonstrates the efficiency of using recycled materials to create solar water heaters, in particular in enhancing heat transfer. The innovative heater surpasses traditional commercial models in performance, offering a sustainable solution for residential water heating. The research, conducted in Baghdad, Iraq, entailed reusing heat exchangers from an outdated air conditioner to serve as a solar water heater collector. Equipped with a thermal insulator ,and an electronic control system, the heater achieved impressive results, raising the water temperature to 55 o C in just 30 minutes

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22

Cakmak, Atilla Ozgur, Evrim Colak, and Andriy E. Serebryannikov. "Using Thin Films of Phase-Change Material for Active Tuning of Terahertz Waves Scattering on Dielectric Cylinders." Materials 17, no. 1 (2024): 260. http://dx.doi.org/10.3390/ma17010260.

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The scattering of electromagnetic waves by isotropic dielectric cylinders can be dramatically modified by means of vanadium dioxide (VO2) thin-film coatings. Efficient dynamic control of scattering is achieved due to the variations in material parameters realizable by means of external biasing. In this paper, we study the scattering of terahertz waves in a case where the coating shells are made of VO2, a phase-change material, whose thin films may work rather as electromagnetic phase screens in the insulator material phase, but as lossy quasi-metallic components in the metallic material phase.

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23

Yoo, Jin-Uk, Tae-Min Choi, and Sung-Gyu Pyo. "Fabrication of Electrospun Porous TiO2 Dielectric Film in a Ti–TiO2–Si Heterostructure for Metal–Insulator–Semiconductor Capacitors." Micromachines 15, no. 10 (2024): 1231. http://dx.doi.org/10.3390/mi15101231.

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The development of metal–insulator–semiconductor (MIS) capacitors requires device miniaturization and excellent electrical properties. Traditional SiO2 gate dielectrics have reached their physical limits. In this context, high-k materials such as TiO2 are emerging as promising alternatives to SiO2. However, the deposition of dielectric layers in MIS capacitors typically requires high-vacuum equipment and challenging processing conditions. Therefore, in this study, we present a new method to effectively fabricate a poly(vinylidene fluoride) (PVDF)-based TiO2 dielectric layer via electrospinning

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24

HERBEI, Elena Emanuela, and Claudiu-Ionuț VASILE. "Hybrid Nanostructures Based of Ta2O5-PMMA for Electronic Applications." Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science 46, no. 4 (2023): 97–101. http://dx.doi.org/10.35219/mms.2023.4.17.

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The scientific interest on hybrid materials is mainly related to understanding the types of interactions between inorganic and organic component and the effect of these interactions on the properties of the new material formed. Hybrid nanostructured materials and especially dielectrics are used for electronics (for gate layer) and especially those applicable in structure of different types of thin film transistors (TFTs).In this paper is presented the research on thin film hybrid materials based on tantalum oxide (Ta2O5) starting with inorganic precursor - tantalum ethoxide and polymethylmetha

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25

Yang, Huiyun, Zhihao Liang, Xiao Fu, et al. "Application of Amorphous Zirconium-Yttrium-Aluminum-Magnesium-Oxide Thin Film with a High Relative Dielectric Constant Prepared by Spin-Coating." Membranes 11, no. 8 (2021): 608. http://dx.doi.org/10.3390/membranes11080608.

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Amorphous metal oxide has been a popular choice for thin film material in recent years due to its high uniformity. The dielectric layer is one of the core materials of the thin film transistor (TFT), and it affects the ability of charges storage in TFT. There is a conflict between a high relative dielectric constant and a wide band gap, so we solved this problem by using multiple metals to increase the entropy of the system. In this paper, we prepared zirconium-yttrium-aluminum-magnesium-oxide (ZYAMO) dielectric layers with a high relative dielectric constant using the solution method. The bas

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26

Archambault, P., and C. Janot. "Thermal Conductivity of Quasicrystals and Associated Processes." MRS Bulletin 22, no. 11 (1997): 48–53. http://dx.doi.org/10.1557/s0883769400034436.

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Quasicrystals (QCs) exhibit unusual physical properties that are significantly different from those of crystalline materials and are not expected for alloys consisting of normal metallic elements. Opposite to conventional metallic alloys, their thermal conductivity and diffusivity are unusually low (with a positive temperature coefficient)—practically that of an insulator—which is atypical for materials containing about 70-at.% aluminum. Moreover the thermal conductivity decreases when the structural perfection is improved. One observes a low, if any, electronic contribution to the heat capaci

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27

Yang, Xiaodong, Bowen Geng, Junqing Wei, et al. "Single-crystalline silicon nanomembrane thin-film transistors with anodized aluminum oxide as a gate dielectric on rigid and flexible substrates." Journal of Physics D: Applied Physics 55, no. 17 (2022): 175105. http://dx.doi.org/10.1088/1361-6463/ac453c.

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Abstract Flexible integrated circuits have gained a lot of attention in recent years for their emerging applications in wearable electronics. Flexible thin-film transistors (TFTs) with low-costs and high-performance are highly desirable as essential and fundamental elements for most flexible applications. In this paper, we fabricate single-crystalline silicon nanomembrane (SiNM)-based TFTs with anodized aluminum oxide (AAO) as a dielectric material on glass and flexible plastic substrates. Good quality AAO was obtained on plastic substrates at room temperature. Atomic force microscopy (AFM)was

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28

Regis, Victor, Matej Šadl, Geoff Brennecka, Andraž Bradeško, Urban Tomc, and Hana Uršič. "Investigation of Structural and Electrical Properties of Al2O3/Al Composites Prepared by Aerosol Co-Deposition." Crystals 13, no. 5 (2023): 850. http://dx.doi.org/10.3390/cryst13050850.

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As the microelectronic industry develops, components that can perform several different tasks receive increasingly more attention, resulting in multifunctional materials being highly sought after. Al2O3 is widely present in electronic applications as a protective coating or as an electrical and thermal insulator due to its mechanical and thermal stabilities and chemical inertness. Al2O3 is also an important dielectric material, with high resistivity and stable permittivity over a wide range of temperatures and electric fields, but its modest permittivity necessitates large effective areas or e

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29

Sánchez-Pérez, Juan Francisco, Gloria Motos-Cascales, Manuel Conesa, Francisco Moral-Moreno, Enrique Castro, and Gonzalo García-Ros. "Design of a Thermal Measurement System with Vandal Protection Used for the Characterization of New Asphalt Pavements through Discriminated Dimensionless Analysis." Mathematics 10, no. 11 (2022): 1924. http://dx.doi.org/10.3390/math10111924.

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This work focuses on the protection of measurement sensors against accidents, vandalism, or theft and on the improvement of the data collected due to the interference produced by these protections. These sensors are part of a larger study, within the framework of a LIFE Heatland project, carried out in a Spanish city, Murcia, with the fundamental objective of minimizing the urban heat island effect using pavements with lower solar energy storage than traditional ones. The study presented here has been carried out through the implementation of aluminum tubes that protect the sensors installed i

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30

Shcherbina, Valerii, Olena Ivanenko, Oleksandr Sokolskyi, and Gennady Vasilchenko. "Use of heat recovery technology to increase thermal efficiency of rotary furnaces." Proceedings of the NTUU “Igor Sikorsky KPI”. Series: Chemical engineering, ecology and resource saving, no. 3 (September 30, 2023): 41–51. http://dx.doi.org/10.20535/2617-9741.3.2023.288247.

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The article considers the problem of increasing the energy efficiency of rotary kilns, which are used in various industries for thermal processing of materials, such as metallurgical, chemical, construction, electrode and others. The source of heat for the kilns is gaseous fuel, which is supplied through special burners located at one end of the cylinder. The material for processing is loaded at the opposite end and moves towards the burner due to the force of gravity and rotation of the kiln. One of the important aspects of operating rotary kilns is energy efficiency, which depends on many fa

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31

Taniyama, Keita, Yuki Takeda, Yuki Azuma, Ziye Zheng, Junichi Motohisa, and Katsuhiro Tomioka. "Selective-Area Growth of InGaAs Nanowires on SOI and the Vertical Transistor Application." ECS Meeting Abstracts MA2024-02, no. 32 (2024): 2333. https://doi.org/10.1149/ma2024-02322333mtgabs.

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INTRODUCTION Conventional field-effect transistors (FETs) are expected to have new gate structures and channel materials to avoid serious issues caused by the miniaturization of FETs, such as enhanced leakage currents and short-channel effects. With this regard, III-V compound semiconductor nanowires (NWs) have attracted much attention as one of the alternative channel materials because of their fast carrier mobility and compatibility with the gate-all-around (GAA) structure. We have demonstrated vertical GAA (VGAA) field-effect transistors (FETs) using InGaAs NWs on Si [1]. For circuit applic

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Kavitha, K. R., and S. Prakash. "Wear Rate Analysis of Ceramic Coated Brake Lining Material." International Journal of Vehicle Structures and Systems 9, no. 4 (2017). http://dx.doi.org/10.4273/ijvss.9.4.08.

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Brake lining is a layer of hard material attached to a brake shoe or brake pad to increase friction against the drum or disc. Asbestos, which was the conventional brake material, has an optimal performance in wear rate and thermal resistance but due to serious health-related hazards, asbestos became obsolete. This led to the development of eco-friendly brake materials. Lot of research has been going on with Non-Asbestos Organic materials (NAO) including non-metallic, semi-metallic, fully metallic and ceramic materials. Among that, Ceramic materials are nowadays popularly used as brake friction

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Zeng, Z., and K. Natesan. "Fabrication of CaO Insulator Coatings by MOCVD for Application in Fusion Reactor Blankets." MRS Proceedings 697 (January 2001). http://dx.doi.org/10.1557/proc-697-p5.3.

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AbstractThe liquid lithium blanket for fusion reactors requires an electrically insulating coating on the duct to minimize the magnetohydrodynamic pressure drop that occurs during the flow of liquid metal in a magnetic field. Calcium oxide (CaO) is a good candidate for the coating material because it is an excellent electrical insulator and it is stable in a liquid lithium environment. In this paper, details are presented on metalorganic chemical-vapor deposition method that was used to fabricate the CaO coating. Composition and phase analyses of the coating were performed by energy dispersive

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-, Haris Arquam, and Ajit Bahadur Verma -. "A Review Paper on “Vanta-black Color”, “Reinforced Polymer Based Materials/ Radar Absorbing Materials”& “Thermal Infrared Reflective Metal Oxide Sol-gel Coating” Used in “Stealth Vehicle”." International Journal For Multidisciplinary Research 5, no. 3 (2023). http://dx.doi.org/10.36948/ijfmr.2023.v05i03.3908.

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Every country is doing a lot of research and development work on security and defense. A country like India shares their border with different countries from three sides need a lot of protection on border. Countries are making new armors and weapons with latest technologies so that their border can be protected. With the help of stealth technology, we make any object similar to surrounding environment in term of color (vantablack) and shape. If we use this technology in army jeep and tanks, then enemy will not be able to find out the position of our jeep and tanks on border. Stealth vehicle wi

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"One-pot Hydrothermal Synthesis of Vanadium Dioxide Nanoparticles." Biointerface Research in Applied Chemistry 13, no. 4 (2022): 361. http://dx.doi.org/10.33263/briac134.361.

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Vanadium dioxide (VO2) shows excellent thermochromic properties suitable for potential application in optical devices and smart windows coating. VO2 is interesting since actual coating on glass materials is possible along with large-scale production. This paper, VO2 nanoparticles were synthesized successfully using the sol-gel-assisted hydrothermal method. The as-prepared VO2 nanoparticles were annealed under vacuum, and the crystal phase formation, composition, morphology, and metal-insulator phase transition properties of the nanoparticles were studied. X-ray Diffraction (XRD) spectra reveal

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Wolfgang, Eckhard, Gerhard Mitic, Guy Lefranc, and Herbert Schwarzbauer. "Novel Materials and Joinings for Power Electronics Module Packaging." MRS Proceedings 682 (2001). http://dx.doi.org/10.1557/proc-682-n5.1.

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ABSTRACTPower electronics modules consist of several layers of different materials according to their function. A base plate is necessary for mounting the module to the cooling unit, an insulating layer provides protection against high voltages, the power semiconductor chips with metal electrodes on both sides are used for switching currents, and finally passivation layers have to protect the chips against high electric fields and environmental impacts. The combination of semiconductors, metals and insulators and their different coefficients of thermal expansion leads to stresses and fatigue d

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Chen, Yunhai, Dianbing Luo, Xinyu Cao, et al. "Effect of oxygen vacancies on the electrical transport properties of conductive Y₃Fe₅O₁₂ films at high temperature." Journal of Physics D: Applied Physics, August 3, 2023. http://dx.doi.org/10.1088/1361-6463/aced13.

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Abstract Oxygen vacancies doping in oxide materials is a very common means to modulate the electrical transport properties. In this work, Y3Fe5O12 (YIG) films with abundant oxygen vacancies were grown on Gd3Ga5O12 (GGG) substrates by solution spin coating and high vacuum annealing method, and the effect of oxygen vacancies on the electrical transport properties was systematically studied. It was found that a large amount of oxygen vacancies doping could convert the YIG film from a good room-temperature insulator to an electrical conductor. At high temperature and high vacuum, a large number of

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Hwang, Do Kyung, Ji Hoon Park, Jeong Min Choi, et al. "Reliable semi-transparent pentacene thin-film transistors with polymer gate dielectric layers cured at an optimum temperature." MRS Proceedings 905 (2005). http://dx.doi.org/10.1557/proc-0905-dd05-15.

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AbstractWe report on the insulator-charging-effects of poly-4-vinylphenol (PVP) gate dielectric on the reliabilities of pentacene thin-film transistors (TFTs). Our PVP films were prepared by spin coating and curing at various temperatures (155, 175, and 200 °C). Evaluated using Au/PVP/p+−Si structures, the dielectric strength of PVP films cured at 175 °C was superior to those of the other PVP films cured at different temperatures. Although saturation current and field mobility (∼0.13 cm2/Vs) obtained from a TFT with PVP film cured at 200 °C appeared higher than those (∼0.07 cm2/Vs) from the de

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Nakano, Tadashi, An KiHwan, and Jung SoRa. "Radically- and Thermally-cured High-SiOH Methylvinylsiloxane Polymer Thin Film for Electric Insulator Applications for TFT." MRS Proceedings 1247 (2010). http://dx.doi.org/10.1557/proc-1247-c08-08.

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AbstractHydrolytically polymerized poly(methyl-co-vinyl)siloxane is cross-linked by radically and dehydrolytically at elevated temperature. Peroxide-type thermal radical generator is found to cross-link the polymer at the vinyl and methyl pendant groups. In parallel, free silanol (Si-OH) end groups in the polymer also contribute to cross-linking by dehydrolytic polycondensation. By use of these two-fold cross-linking mechanisms, we were able to deposit highly cross-linked siloxane polymer film which provides excellent optical and electrical properties. Cured film of 500 nm thickness exhibited

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Tomczak, Sandra J., Darrell Marchant, Steve Svejda, et al. "Properties and Improved Space Survivability of POSS (Polyhedral Oligomeric Silsesquioxane) Polyimides." MRS Proceedings 851 (2004). http://dx.doi.org/10.1557/proc-851-nn9.1.

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ABSTRACTKapton polyimide (PI) is widely used on the exterior of spacecraft as a thermal insulator. Atomic oxygen (AO) in lower earth orbit (LEO) causes severe degradation in Kapton resulting in reduced spacecraft lifetimes. One solution is to coat the polymer surface with SiO2 since this coating is known to impart remarkable oxidation resistance. Imperfections in the SiO2 application process and micrometeoroid / debris impact in orbit damage the SiO2 coating, leading to erosion of Kapton.A self passivating, self healing silica layer protecting underlying Kapton upon exposure to AO may result f

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Saraswat, Abhishek, Rajendraprasad Bhattacharyay, Paritosh Chaudhuri та Sateesh Gedupudi. "Fabrication Aspects and Performance Characterization of α-Al2O3/ALPO4 Based Sandwich Configuration Flow Channel Inserts and Coatings for High Temperature Liquid Metal Applications". Journal of Nuclear Engineering and Radiation Science, 27 травня 2023, 1–27. http://dx.doi.org/10.1115/1.4062646.

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Abstract Liquid metals (LMs) exhibit several key characteristics justifying their utilization as coolants/breeders for nuclear fusion reactors and advanced fission reactors. In a fusion reactor, LMs confront a large flow retarding MHD force, imposing significant demands on pumping power and designs of ancillary systems. Corrosion of structural materials and coolant chemistry control are vital issues common to both fusion and fission reactors employing liquid lead (Pb) and its alloys. To address these concerns, technological solutions such as Flow Channel Inserts and corrosion resistant coating

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