نتایج جستجو برای: zinc alloy
تعداد نتایج: 125146 فیلتر نتایج به سال:
Due to the excellent biocompatibility of Zn and Zn-based alloys, researchers have shown great interest in developing biodegradable implants based on zinc. Furthermore, zinc is an essential component many enzymes proteins. The human body requires ~15 mg per day, there minimal concern for systemic toxicity from a small zinc-based cardiovascular implant, such as arterial stent. However, been provo...
To improve the biological activities of titanium implant surfaces and promote efficient early bone formation, formation bioactive coatings that on is currently an important area research. In this study, we prepared a zinc-doped porous coating (Zn-PEO) alloy surface via plasma electrolytic oxidation. The characteristics samples were evaluated with field emission scanning electron microscopy (FE-...
There is limited dental literature evaluating the retentive capabilities of luting agents when used between metal components, such as cast metal restorations cemented onto machined metal implant abutments. This study compared the retentive strengths of 5 different classes of luting agents used to cement cast noble metal alloy crowns to 8-degree machined titanium cementable implant abutments fro...
This paper introduces a novel soldering method for joining aluminum foams to aluminum plates. In this method, a rotating aluminum plate is soldered to the aluminum foam using zinc-based solder material. Rotation of the aluminum plate over the solder material drags the solder material and stirring it. Excellent tensile strength was obtained compared to those samples that are welded with the sold...
This study aimed to analyse and compare the stability of two dental posts cemented with four different luting agents by examining their shear stress transfer through the FEM. Eight three-dimensional finite element models of a maxillary central incisor restored with glass fiber and Ni-Cr alloy cast dental posts. Each dental post was luted with zinc phosphate, Panavia resin, super bond C&B resin ...
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