نتایج جستجو برای: yttria stabilized zirconia ysz coating
تعداد نتایج: 77225 فیلتر نتایج به سال:
The objective of this paper is to manufacture free-standing solid oxide cells (SOCs) through the atmospheric plasma spray process (APS), without aid a metallic support nor need for post-process heating treatment. A five-layered cell was fabricated. Fused and crushed yttria-stabilized zirconia (YSZ) powder in 5–22 μm particle size range used order achieve dense electrolyte layer, yet still permi...
Thermal barrier coatings (TBCs) are commonly used to protect gas turbine components from high temperatures and oxidation. Such consist of ceramic top coats metallic bond coats. The mismatch in thermal expansion the coat, coat component material is one main factor leading failure coating system. Columnar-structured offer an enhanced tolerance strain during cycling. On a flat coated surface, thes...
Tetragonal Zirconia Polycrystals stabilized with 3% mol. content of yttria (3Y-TZP) has excellent properties in terms of strength and fracture toughness. These properties are mostly imputable to the transformation toughening mechanism, by which the doped metastable tetragonal phase of zirconia transforms to monoclinic under applied stress ahead of a crack. This phenomenon is accompanied by a vo...
Plasma-sprayed Yttria-stabilized zirconia (YSZ) coatings have been used in gas turbines for decades. They are applied thermal insulation to increase operating temperature and hence efficiency component’s lifetime. To keep manufacturing costs low, especially deposition is important. However, increasing it also related a reduction porosity, affecting the insulating properties of layer. find an op...
Bacterial adhesion to implant biomaterials constitutes a virulence factor leading to biofilm formation, infection and treatment failure. The aim of this study was to examine the initial bacterial adhesion on different implant materials in vitro. Four implant biomaterials were incubated with Enterococcus faecalis, Staphylococcus aureus and Candida albicans for 2 h: 3 mol % yttria-stabilized tetr...
A series of microstructured, supported platinum (Pt) catalyst films (supported on single-crystal yttria-stabilized zirconia) and an appropriate Pt catalyst reference system (supported on single-crystal alumina) were fabricated using pulsed laser deposition and ion-beam etching. The thin films exhibit area-specific lengths of the three-phase boundary (length of three-phase boundary between the P...
During the last years, interest in application of additive manufacturing (AM), also known as 3D printing, becomes extremely popular various fields medicine including dentistry. Currently, metal and ceramic materials are most often used for dental prosthetics manufactured by printing. The yttria-stabilized zirconia (YSZ) ceramics has become best alternative metal-based restorations. In this rega...
This study aims to investigate the microstructural alterations, mechanical properties, sliding wear behavior, and corrosion properties of Al-15%Mg2Si composites with different contents yttria-stabilized zirconia (YSZ). YSZ (0, 3, 6, 9 wt.%) were fabricated using stir-casting technique. The characterized by means optical microscopy (OM), scanning electron (SEM) equipped energy-dispersive spectro...
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