Papers by Keyword: Panel

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Authors: Feng Ge Wang, Ting Tai Wang, Yu Kui Li
Abstract: With carbon nanotube as cold cathode, the field emission display based on the improved film-electrode was fabricated. The indium tin oxide film covered on the glass surface was etched to form the film-electrode. For one film-electrode stripe, the left bar electrode and the right bar electrode were formed on the both side of the bottom electrode. The carbon nanotube would be prepared on the bottom electrode surface. The cathode covering layer fabricated with the sintered insulation slurry would cover the left and right bar electrodes. It was confirmed that the emission current could be controlled by the formed electric-field with the improved film-electrode.
Authors: Qiang Guo, Yu Kui Li
Abstract: Using insulation slurry as composite material, the wall-shaped support spacer was designed and fabricated on the cathode back-plane. In the fabrication course of support spacer, the high effective screen-printing technique was employed to prepare the insulation slurry layer on the separation layer surface of cathode back-plane. And the conventional sintering process was utilized to solidify the printed insulation slurry layer subsequently. Many insulation slurry layers were sintered and stacked to form the support spacer arranged in equilateral triangle form. The carbon nanotube was used as field emitter, and the field emission display panel was fabricated and sealed with glass frit, which possessed good field emission characteristics and better image uniformity.
Authors: Yan Zhong Men, Yong Xin Guo, Jun Shuai
Abstract: Reverse design of the flue-cured tobacco Heights Department of tractor panel has been designed, using reverse engineering software, 3D laser scanning equipment and electron microscopy equipment, after the collected data such as pre-processing and surface reconstruction process, to get a tractor panel of tobacco Heights Department. The initial structural model, and associated structural re-design, research results show that the rapid establishment of a new product manufacturing system to improve new product quality and development efficiency has important practical significance.
Authors: Sheng Wu Yu, Rui Jun Liu
Abstract: The right panel drawing direction is an important prerequisite for generating qualified parts, an important step before the panel forming simulation is to determine the reasonable direction of the drawing. Manually adjust parts in order to overcome rely on experience, the drawbacks to the drawing direction, the direction of the drawing punch and forming the contact area of the sheet as the goal of automatic determination algorithm. Objective function of the direction of the drawing for the variable contact area in the drawing direction of the feasible region, the use of heritage algorithms to optimize the objective function of the contact area and, ultimately feasible within the contact area corresponding to the drawing direction, that is the best drawing direction. The measured results show that the direction of the drawing based on genetic algorithm, the automatic algorithm can fast and accurate to obtain the optimal direction of drawing.
Authors: Yu Kui Li, Yun Peng Liu
Abstract: With the effective screen-printing technique and high-temperature sintering process, the suspersion gate structure was developed. The silver slurry was printed on the gate substrate to form the gate electrode. Using carbon nanotube as cold field emitter, the triode field emission display (FED) panel was fabricated, and the detailed manufacture process was also presented. The anode back plane, the cathode back plane and spacer combined to device room, in which the suspension gate structure would be included. The distance between the gate electrode and carbon nanotube cathode could be reduced, which could decrease the device manufacture cost because of the small gate voltage. The modulation of emitted electron by the gate voltage would be confirmed, and the field emission characteristics was measured. The sealed FED panel with simple fabrication process and designed structure possessed better field emission uniformity, high display brightness and field emission perofrmance.
Authors: Caori Patricia Takeuchi
Abstract: In 2008 began the research project "Design and construction of housing with structural elements of bamboo (guadua) laminated" of the research program Innovation for Guaduas productivity chain strengthening at the Rionegro province in Cundinamarca.In the first part of the project it was necessary to implement the production of laminated bamboo elements, for which, they were manufactured parallel saws for the production of slats, handheld devices for applying adhesive and a equipment for pressing. In Pacho and Ibama located in Rionegro province of Cundinamarca in Colombia two primary production sites for the production of slats were stablished. So, the bamboo was cut in the natural forest, the slats were obtained and were transported to the Universidad Nacional de Colombia (National University of Colombia) at Bogotá, where, after a selection process and machining, were pressed to obtain test samples and structural elements.After, it was performed the experimentation phase which included the testing of samples elaborated with four types of glue, under different types of solicitations, beams with four different configurations of slats density, solid and box section beams and columns, solid and sandwich panels, T-section boards and frames with two different types of panels.The last stage of the project included the architectural and structural design and construction of a housing prototype using structural elements in laminated bamboo.
Authors: Tomáš Katrňák, Jaroslav Juračka
Abstract: The detailed topometry optimization of the critical part of an aircraft wing is presented in this article. The integral lower wing structural panel of aircraft in the Commuter category of the CS-23 regulation standard is selected for optimization. The first case demonstrates significant weight savings using modern Finite Element (FE) optimization methods for determined structural constraints. A practical aircraft operation and additional regulation requirements affect optimization constraints in the second case. This detailed optimization also consists of FE model validation, stress analyses and complex load capacity analyses, which are necessary for designed structural modifications with an optimal stress distribution.
Authors: João Sammy Nery de Souza, Furtini Marcelo Barbosa, Edson Cavalcanti Silva Filho, Yara Karolynne Lopes Abreu, Wanderson Araujo de Sousa, Francisca Pereira de Araújo, José Benedito Guimarães Jr., Josy Anteveli Osajima
Abstract: The objective of this study was to determine the content of free formaldehyde contained in panels of Acacia mangium clippings. The results of the analysis show that the best temperature for a Hantzschen reaction is 60°C. The panels had a linear behavior over the course of the exposure time (168 hours), whereas samples with a lower surface area showed linearity starting at 72 hours. Thus, it is possible to quantify the emission of formaldehyde panels, thereby supporting research to create measures that minimize its release.
Authors: Liang Li, Zhi Ming Feng
Abstract: In order to control the deformation deviation of automobile panels welding assembly, the author analyzed the assembly process of spot welding, and used a simplified finite element analysis method. In this method, work-pieces’ deviations are reflected by equivalent stress, and welding deformations are simulated by the coupling nodes. The author called C++ application in ANSYS FEA software, using stress data files as the interface, and therefore solved the problem of applying initial stress to automobile panels.
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