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three-dimensional dental turbine rotor made of polymer materials

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  • Optimization of flywheel rotor made of three

    2015-11-1 · 1. Introduction. In a flywheel battery system, energy is stored as kinetic energy and is transferred to and from electricity energy. The flywheel rotor consists of a metallic shaft, a high-speed rotating disk, and a hub connecting a disk and shaft .Compared with a chemical battery such as a lithium ion battery, flywheels present various benefits such as light weight, high power density, long ...

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  • Spin test of three-dimensional composite rotor for ...

    2016-2-1 · The three-dimensional (3D) reinforcement was formed using a 3D fabric reinforced in the r, θ, and z directions. This fabric was composed of high-strength type PAN-based-carbon-fiber (Torayca T1000G; Toray Co. Ltd., Japan) for r and θ bundles, and low-strength type PAN-based-carbon-fiber (Torayca T300; Toray Co. Ltd., Japan) for z bundles because of small stress in the axial direction [4] .

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  • Three dimensional nanosuperstructures made of two ...

    2019-12-1 · Three-dimensional graphene foams derived from various templates through CVD have demonstrated high surface areas [59,60,152,153]. Those made of Ni foams offer a surface area up to 850 m 2 g −1, which can be modulated by tuning the number of layers deposited with different deposition time and flow rate . However, the intrinsic large pores of ...

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  • Accuracy of Three-Dimensional (3D) Printed Dental

    Digital impression devices are used alternatively to conventional impression techniques and materials. The aim of this study was to evaluate the precision of extraoral digitalization of three types of photosensitive resin polymers used for 3D printing with the aid of a digital extraoral optical scanner. The alignment of the scans was performed by a standard best-fit alignment.

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  • Electrically Tunable Three-Dimensional Holographic ...

    2018-7-23 · An electrically tunable three-dimensional holographic photonic crystal made of polymer-dispersed liquid crystals was fabricated using a specially designed prism. This prism split a collimated laser beam into four beams which interfered with each other at the base of the prism to form a three-dimensional spatial light intensity pattern. The ...

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  • Superwetting Polymeric Three Dimensional (3D)

    This review article reports the latest progress of polymeric three dimensional porous materials (3D-PMs) with super wettability to separate oil/water mixtures. The theories on developing super-wetting porous surfaces and the effects of wettability on oil/water separation have been discussed.

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  • Using of Composite Material in Wind Turbine Blades

    Rotor blades are manufactured from composite materials using fibreglass and polyester or fibreglass and epoxy, sometimes in combination with wood and carbon. The most commonly used types of composite material in the wind turbine industry are glass fibre-reinforced plastics (GRP).

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  • Three‐dimensional chemical reactors: in situ materials ...

    2020-12-11 · Polymer International. Volume 70, Issue 7 p. 964-976. Mini-review. Three-dimensional chemical reactors: in situ materials synthesis to advance vat photopolymerization Daryl W Yee, Corresponding Author. ... We provide a brief overview of the materials that are currently accessible via VP and highlight recent advances in the field.

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  • Three‐Dimensional Photomobility of Crosslinked

    2010-3-23 · Crosslinked liquid-crystalline polymer fibers containing azobenzene moieties show three-dimensional movements under photoirradiation (see figure). The direction of the photomobility of the fibers could be controlled by manipulating the actinic light source.

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  • SELECTIONOFMATERIALSANDMATERIAL ...

    2021-5-26 · Scot Laney is a Materials Engineer with Elliott Company, in Jeannette, Pennsylvania.HejoinedElliottCompany in 2007, and has been involved with materials related R&D projects, failure analysis, and aftermarket support. He also has experience in the areas of hightemperatureoxidation/corrosionand protectivecoatings. Dr. Laney received his B.S. degree

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  • A three-dimensional multilayer graphene web for

    2021-4-19 · We offer a 4-year PhD position in Three-dimensional bioprinting using electroactive polymer materials. The goal of the project is to understand the dynamics, sensing, control, and scalability of 3D-printed IEAPs, with a simplicity that enables application across scales.

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  • PhD position in Three-dimensional bioprinting using ...

    2019-5-25 · To fabricate a photonic crystal with large and complete photonic bandgap, it often requires backfilling of high index inorganic materials into a 3D polymer template. However, the pore network may become disconnected before the template is completely filled in a conformal coating process, which, therefore, limits the achievable maximum bandgap in the 3D photonic crystals. Here, we demonstrate ...

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  • Electrodeposition of Three-Dimensional Titania

    2021-6-9 · Article Small oligonucleotides detection in three-dimensional polymer network of DNA-PEG hydrogels. Alessia Mazzarotta1, Tania Mariastella Caputo1, Luca Raiola1, Edmondo Battista2 *, Paolo Antonio Netti1,2,3 , Filippo Causa2,3 1 Center for Advanced Biomaterials for [email protected], Istituto Italiano di Tecnologia (IIT), Largo Barsanti e Matteucci 53, 80125 Naples, Italy

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  • Article Small oligonucleotides detection in three ...

    Three-dimensional (3D) printing is an attractive technology in dentistry. Acrylic-based 3D printed resin parts have to undergo postcuring processes to enhance their mechanical and biological properties, such as UV-light and thermal polymerization. However, no previous studies have revealed how the postcuring temperature influences the biocompatibility of the produced parts.

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  • Three dimensional printed degradable and conductive ...

    2021-1-3 · Achieving a viable process for three-dimensional (3D) printing of ceramics is a sought-after goal in a wide range of fields including electronics and sensors for harsh environments, microelectromechanical devices, energy storage materials, and structural materials, among others. Low laser absorption of ceramic powders renders available additive manufacturing (AM) technologies for …

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  • Polymers | Free Full-Text | Effects of Postcuring ...

    Polymer Chemistry, volume 43 (2017) page 6617–6627. Go To Polymer Chemistry. Ashley R. Murphy, John M. Haynes, Andrew L. Laslett, Neil R. Cameron, Carmel M. O’Brien. Three-dimensional differentiation of human pluripotent stem cell-derived neural precursor cells using tailored porous polymer …

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  • Three-Dimensional Printing of Ceramics through

    PDF | On Mar 5, 2021, C Delvadiya and others published THREE-DIMENSIONAL FREE-VIBRATION RESPONSE OF LAMINATED COMPOSITE DISCS | Find, …

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  • Three-dimensional stem cell-derived neural culture

    2021-1-28 · To organize the supracolloids at high concentrations into hierarchically structured materials, solutions were dried on a variety of substrates (amorphous carbon, silicon wafers and glass slides ...

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  • Accuracy of three-dimensional dental resin models

    2018-3-6 · Recipient(s) will receive an email with a link to 'Accuracy of three-dimensional dental resin models created by fused deposition modeling, stereolithography, and Polyjet prototype technologies: A comparative study' and will not need an account to access the content.

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  • [PDF] Electrically Tunable Three-Dimensional

    An electrically tunable three-dimensional holographic photonic crystal made of polymer-dispersed liquid crystals was fabricated using a specially designed prism. This prism split a collimated laser beam into four beams which interfered with each other at the base of the prism to form a three-dimensional spatial light intensity pattern. The spatial light intensity pattern was then recorded ...

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  • E 26 Three Dimensional Modeling for Design Fall 2017

    2019-2-3 · Three Dimensional printing turn in 2 -3 pages of your concept designs (sketches) before leaving lab (10 pts) Blade design due by Th. 10/26 midnight, upload to bCourse 11 3D printing:10/31 FDM, STL, laser, .. Lab. work #8 –due Tu. 11/7 by 11:00 pm Material: liquid and solid polymer, powder, paper, Auxiliary and Section views

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  • Three-Dimensional Printable Nanoporous Polymer

    Three-Dimensional Printable Nanoporous Polymer Matrix Composites for Daytime Radiative Cooling ... Three-Dimensional Printable Nanoporous Polymer Matrix Composites for Daytime Radiative Cooling ... UV–vis, and part of the FTIR measurements were carried out in the Materials Research Laboratory Central Research Facilities, University of ...

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  • Three-dimensional printing of hierarchical liquid

    2020-8-19 · Additive manufacturing (AM), a layer-by-layer three dimensional (3D) printing technology, opens up new venues of improvements for industrial manufacturing of electrical machines via near-net shape printing of complex geometries, reduction of parts count and production lead time, and conservation of expensive critical materials such as rare-earth

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  • Additive manufacturing of soft magnets for electrical ...

    2018-9-28 · Three-dimensional constitutive model of woven fabric-reinforced shape memory polymer composites considering thermal residual stress Seok Bin Hong1, Joon Hyeok Jang1, Haedong Park2, Jin-Gyun Kim3, Nam Seo Goo4 and Woong-Ryeol Yu1 1Department of Materials Science and Engineering and Research Institute of Advanced Materials (RIAM), Seoul National University, Seoul 08825, …

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  • Three-dimensional constitutive model of woven fabric ...

    2006-2-22 · Single crystals of three-dimensional (3D) C 60 polymer were prepared by the topotactic conversion of two-dimensional (2D) C 60 polymer single crystals at a pressure of 15 GPa at 600 °C. The x-ray single crystal study revealed that the 3D C 60 polymer crystallized in a body centered orthorhombic space group I m m m, and spherical C 60 monomer units were substantially deformed to rectangular ...

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  • Electron Conductive Three-Dimensional Polymer of

    2019-2-26 · Electrochemically building three-dimensional supramolecular polymer hydrogel for flexible solid-state micro-supercapacitors Xiang Chu a, Haichao Huang a, Haitao Zhang a, **, Hepeng Zhang a, Bingni Gu a, Hai Su a, Fangyan Liu a, Yu Han a, Zixing Wang a, Ningjun Chen a, Cheng Yan a, Wen Deng a, Weili Deng a, Weiqing Yang a, b, * a Key Laboratoryof Advanced Technologiesof Materials …

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  • Transforming Wind Turbine Blade Mold Manufacturing

    2017-10-6 · Over 500 facilities across the country specialize in blades, towers, generators, and turbine assembly. Modern wind turbines are increasingly cost effective and reliable and have scaled up in size to multimegawatt power ratings. As wind plants grow in size, rotor wake research has become critical for power generation efficiency.

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  • THREE-DIMENSIONAL MICRO FABRICATION OF ACTIVE

    2011-11-10 · THREE-DIMENSIONAL MICRO FABRICATION OF ACTIVE MICRO DEVICES USING SOFT FUNCTIONAL MATERIALS BY ... two dimensional space. Efforts have made to extend the fabrication capability into three ... [20, 21]. Therefore, there is high demand for three dimensional polymer network dry wet solvent molecules. 5 microfabrication to integrate hydrogels into ...

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  • Small Oligonucleotides Detection in Three

    The control of the three-dimensional (3D) polymer network structure is important for permselective materials when specific biomolecules detection is needed. Here we investigate conditions to obtain a tailored hydrogel network that combine both molecular filtering and molecular capture capabilities for biosensing applications. Along this line short oligonucleotide detection in a displacement ...

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  • Three-dimensional nanostructuring of polymer

    2014-3-7 · Read 'Three-dimensional nanostructuring of polymer materials by controlled avalanche using femtosecond laser pulses, Proceedings of SPIE' on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

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  • Three-dimensional-printed molds and materials for ...

    2019-10-30 · This Prospective covers an overview of the injection molding process and the importance of mold design and tooling considerations, important material requirements and thermal properties for molds, polymer material requirements for injection molding, mold flow analysis, and the promise of using the 3D printing process for mold fabrication. The second part demonstrates the injection molding ...

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  • Three‑dimensional scaffolds for tissue engineering ...

    2020-6-1 · hree-dimensional (3D) scaffolds are commonly used for drug delivery,1,2 investigation of cell behavior and material studies in the field of tissue engineering.3–5 Three-dimensional scaffolds are typically porous, biocompatible and biodegradable materials that serve to provide suitable microenvironments, that is, mechanical support, physical,

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  • The role of three-dimensional morphology on the

    2009-10-17 · 1 The role of three-dimensional morphology on the efficiency of hybrid polymer solar cells Stefan D. Oosterhout1, Martijn M. Wienk1, Svetlana S. van Bavel2,3, Ralf Thiedmann4, L. Jan Anton Koster1, Jan Gilot1, Joachim Loos2, Volker Schmidt4 and René A. J. Janssen1∗ 1 Molecular Materials and Nanosystems, Eindhoven University of Technology, PO Box 513, 5600 MB Eindhoven, The …

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  • [PDF] Electrical tuning of three-dimensional photonic ...

    Electrically tunable three-dimensional photonic crystals with a tunable wavelength range of over 70nm of stop gaps between 3 and 4μm have been generated in a liquid crystal-polymer composite. The photonic crystals were fabricated by femtosecond-laser direct writing of void channels in an inverse woodpile configuration with 20 layers providing an extinction of infrared light transmission of 70 ...

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  • Large-Area Three-Dimensional Molecular Ordering of

    Rational molecular design and processing, enabling large-area molecular ordering, are important for creating high-performance organic materials and devices. We show that, upon one-step hot-pressing with uniaxially stretched Teflon sheets, a polymer brush carrying azobenzene-containing mesogenic side chains self-assembles into a freestanding film, where the polymer backbone aligns ...

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  • Three-dimensional imaging technique to compare

    2021-5-5 · The study aimed to evaluate any relationship between two different methods of digital three-dimensional scanning using measurements of specific parameters on plaster casts regards infants born along cleft lip and palate (CLP) up to 6 months of age. A set of 44 casts including every various kinds of CLP were used to investigate the relationship among two different methods used in this study ...

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  • Spin test of three-dimensional composite rotor using ...

    A three-dimensional composite disk was reinforced to three directions in accordance with the cylindrical coordinates. A trial composite disk with outer and inner diameters of 304 and 41 mm, respectively, was manufactured and tested up to a tip speed of 908 m/s.

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  • Soft Three-Dimensional Microscale Vibratory Platforms

    2019-1-24 · Soft Three-Dimensional Microscale Vibratory ... Materials Science and Engineering, and Center for Bio-Integrated Electronics, Northwestern University, Evanston, Illinois 60208, United States ... polymer films as test vehicles with a wide range of thicknesses

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  • Three-dimensional selective growth of nanoparticles on a ...

    2010-7-24 · three-dimensional (3D) polymer microstructure. The technique integrates 3D direct writing of heterogeneous microstructures with nanoparticle synthesis. A digital micromirror device is employed as a dynamic mask in the digital projection photopolymerization process to build the heterogeneous microstructure layer by layer.

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  • Dental Polymers | Pocket Dentistry

    T1 - Three-dimensional dosimetry of TomoTherapy by MRI-based polymer gel technique. AU - Watanabe, Yoichi. AU - Gopishankar, N. PY - 2011. Y1 - 2011. N2 - Verification of the dose calculation model and the software used for treatment planning is an important step for accurate radiation delivery in …

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  • Three-dimensional dosimetry of TomoTherapy by MRI

    I. INTRODUCTION Due to its unique structures and properties, carbon has generated excitement among materials scientists and engineers for many decades, from the synthesis of diamond Reference Hall 1, Reference Werner and Locher 2 to Buckminster fullerenes Reference Kroto, Heath, O’Brien, Curl and Smalley 3 and carbon nanotubes (CNTs). Reference Iijima 4 Recently, graphene has been added to ...

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  • Three-dimensional arrays of graphenated carbon

    2011-12-14 · Therefore the FEM analysis based on the real wind turbine blade, i.e. the 3D scanned image, is used herein. 4.1. The three dimensional scanning and CAD surface reconstruction The result of the 3D scanning is a cloud of points, defining the surface more or less accurate. The tedious part of work is obtaining the CAD model, used as a basis

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  • A non-destructive wind turbine blade analysis based on

    2019-12-30 · the turbine is made of nickel. The rotor has a diameter of 130 µm. A 5-µmgapis provided between the axle and the rotor. The turbine has a height of 150 µm. The entire unit was made of nickel. The maximum rotational speed reached 150,000 revolutions per minute (rpm) with a lifetime up to 100 million rotations. 1.2.4 Micro-Optical Components

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  • OVERVIEW OF MEMS AND MICROSYSTEMS

    Indian Journal of Engineering & Materials Sciences Vol. 27, April 2020, pp. 179-192 Additive manufacturing of composite materials by FDM technology: A review Andrei Danut Mazurchevici, Dumitru Nedelcu* & Ramona Popa a Gheorghe Asachi, Technical University of Iasi, Blvd Mangeron No. 59A, 700050, Iasi, Romania

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  • Additive manufacturing of composite materials by FDM ...

    2020-8-2 · FESEM photographs of three-dimensional nano-flowered MoS2-PANI composites and their electromagnetic wave absorption properties The work was successfully carried out under 1.5 MPa and 160 °C by hydrothermal synthesis to obtain flower-like nano-MoS2 as matrix and polymerization of nano-rod-like PANI (polyaniline) loaded on MoS2 as matrix to obtain three-dimensional nano-flower-like …

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