نتایج جستجو برای: polyetheretherketone
تعداد نتایج: 571 فیلتر نتایج به سال:
At the time of implanting bone-related implants into human body, a variety of biological responses to the material surface occur with respect to surface chemistry and physical state. The commonly used biomaterials (e.g. titanium and its alloy, Co-Cr alloy, stainless steel, polyetheretherketone, ultra-high molecular weight polyethylene and various calcium phosphates) have many drawbacks such as ...
This work mainly aims to manufacture nanocomposite laminates at first. The prepreg AS-4 graphite/PolyEtherEtherKetone laminates were used to make a 16-layered APC-2 laminate of 2 mm thick via curing the modified diaphragm. The nanoparticles of Silica (SiO2) were uniformly spread on the specific interfaces totally about 1-3% by weight of a laminate by sol-gel method. Second, by the results of me...
Continuous flow processes have recently emerged as a powerful technology for performing chemical transformations since they ensure some advantages over traditional batch procedures. In this work, the use of commercially available and affordable PEEK (Polyetheretherketone) and PTFE (Polytetrafluoroethylene) HPLC (High Performance Liquid Chromatography) tubing as microreactors was exploited to pe...
BACKGROUND The rat fracture fixation models have been widely adopted, but current implant designs suffer from operational difficulty, massive soft-tissue dissection, and radiological intervention. The authors developed a new tibia fracture-healing model using minor invasive intramedullary fixations with polyetheretherketone (PEEK) threaded rods, which have excellent x-ray translucency and no ma...
Abstract Fused deposition modeling (FDM) provides a promising technique for the small-batch fabrication of highly customized objects. The required performance FDM far exceeds performances conventional manufacturing methods. However, temperature difference that occurs during generates internal stress, which causes warp deformation and affects formed sample quality. Hence, identifying influencing...
Dynamically loaded structures made of thermoplastic polymers have been extensively exploited in several demanding industries. Due to the viscoelastic and thermal properties polymers, self-heating is generally inevitable, especially during dynamic deformations at high frequencies. Therefore, polyether ether ketone (PEEK), with its temperature resistance specific strength, a particularly ideal ca...
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