نتایج جستجو برای: laminate
تعداد نتایج: 2577 فیلتر نتایج به سال:
Out-of-autoclave prepreg typically needs a long cure cycle to guarantee good properties as the result of low processing pressure applied. It is essential to reduce the manufacturing time, achieve real cost reduction, and take full advantage of out-of-autoclave process. The focus of this paper is to reduce the cure cycle time and production cost while maintaining high laminate quality. A rapidly...
In this research, stacking sequences of hybrid composites composed of Aluminum plate and Carbon/Epoxy laminate under explosion loading have been optimized and analyzed. First, the effect of explosion wave on the stress, deflection field, and Tsai-Wu criteria has been investigated. Then, by using finite element modeling for these laminates and Response Surface Method (RSM) and Genetic Algorithm ...
AIM The aim of this report is to present five-year follow-ups of two different applications for the use of direct laminate resin-based composite veneers to improve esthetics. BACKGROUND Defects in the maxillary anterior teeth, such as enamel hypoplasia and peg lateral, can present esthetic challenges. Furthermore, a treatment plan that can be completed in a single appointment is highly desira...
If orthodontists and restorative dentists establish the interdisciplinary approach to esthetic dentistry, the esthetic and functional outcome of their combined efforts will be greatly enhanced. This article describes satisfying esthetic results obtained by the distribution of space for restoration by orthodontic treatment and porcelain laminate veneers in uneven space between maxillary anterior...
Broadband noise reduction has been investigated by embedding a high-density thin-film decoupling capacitor as much as 1 μF in a laminate package. A complex programmable logic device (CPLD) was mounted on the laminate package instead of bare chip as a noise generating circuits. Then, the package was mounted on an evaluation board. Eight output buffer circuits of the CPLD were simultaneous switch...
We present the design of a new two degree-of-freedom transmission intended for micro / meso-scale crawling robots which is compatible both with laminate manufacturing techniques and monolithic, “popup” assembly methods. This is enabled through a new design suite called “popupCAD”, a computer-aided design tool which anticipates laminate manufacturing methods with a suite of operations which simp...
Electromagnetic shields are designed to optimize the performance for shielding effectiveness and reflectivity. Multilayered laminates of different materials are developed to achieve excellent results in terms of not only in shielding effectiveness but also for reflectivity. In this paper, a three layered laminate is considered for estimation of the required parameters in the X-band frequency ra...
This article describes treatment of a young adult patient with porcelain laminate veneers for restoring unaesthetic maxillary anterior teeth with two retained primary canines. The patient had experienced an approximately two-year orthodontic treatment and had received both fixed and removable retainers for the upper arch. The patient could not afford implant supported restorations for his missi...
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