نتایج جستجو برای: nanoceramic
تعداد نتایج: 88 فیلتر نتایج به سال:
Biofunctionalization of an implant using functional ceramics with exceptional electrical characterization, such as BaTiO3 and SrTiO3, has gained considerable attention in creating a composite coating bio-polymer to activate metal surfaces for bone tissue engineering applications and, at the same time, resist bacterial infection. A Ti–Zr alloy sample was created by powder technology, then applie...
Electrospinning is one of the most feasible techniques for producing nanoceramic fibers. In this paper, YBa2Cu3O7-δ (YBCO) superconductor nanofibers synthesized using electrospinning. The first step was preparation of a composite that is formed by mixing yttrium, barium, and copper acetates with different percent of polyvinyl alcohol (PVA). Then, the composite polymer has been electrospun to pr...
PURPOSE The aim of this study was to evaluate the influence of different surface treatment methods on the microtensile bond strength of resin cement to resin nanoceramic (RNC). MATERIALS AND METHODS RNC onlays (Lava Ultimate) (n=30) were treated using air abrasion with and without a universal adhesive, or HF etching followed by a universal adhesive with and without a silane coupling agent, or...
Nano-sized spinel cobalt chromite oxide CoCr2O4 and its substituted forms CoCr2−xAlxO4 (0 ≤ x 2) have been successfully synthesised by wet chemical route. The prepared powders were characterised means of thermal analysis (DTA/TGA), X-ray diffraction (XRD), Field emission scanning electron microscopy (FE-SEM), Brunauer–Emmett–Teller (BET), UV–visible techniques (UV–Vis) colorimetric analyses (L*...
Modifying asphalt binder with styrene butadiene rubber (SBR) improves low temperature performance (resistance to cracking), elastic recovery, and ductility of binder. However, some difficulties were found at high temperatures susceptibility (Rutting), storage stability (compatibility). Therefore, the aim this study is resolve these defects (rutting compatibility) by formulating SBR/ waste nanoc...
statement of problem: in order to increase the performance of glass ionomer cement, it is reinforced with metal powders, short fibers, bioceramics and other materials. fluoroapatite (ca10 (po4 )6 f2 ) is found in dental enamel and is usually used in dental materials due to its good chemical and physical properties. objectives: in this study, the effects of the addition of synthesized fluoroapat...
Since humidity sensors have been widely used in many sectors, a suitable humidity sensing material with improved sensitivity, faster response and recovery times, better stability and low hysteresis is necessary to be developed. Here, we fabricate a uniformly porous humidity sensor using Ca, Ti substituted Mg ferrites with chemical formula of CaMgFe1.33Ti₃O12 as humidity sensing materials by sol...
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