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Development of a biocompatible Ti-Nb alloy for orthopaedic applications

机译:用于整形外科应用的生物相容性Ti-NB合金的研制

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Metallic biomedical implants such as titanium-based alloys are very useful for orthopaedic applications due to their excellent properties which responds to changes in temperature and other conditions. However, biological toxicity due to alloying elements and relatively high Young's modulus or mechanical incompatibilities of previously used Ti alloys have necessitated the development of biocompatible alloys with compatible mechanical properties such as beta-titanium alloys. This study aims at production of beta-titanium alloy with enhanced properties by varying milling speeds. Ti and Nb powders were mechanically alloyed using the high energy ball-mill Zoz-Simoloyer~R to produce Ti-7Nb alloys by varying the milling speed. The milling process produced irregular shaped powders with increasing particles sizes as the milling speed increased due to fragmentation and cold welding during agglomeration. The mechanical alloying process had good yield. The predominant phases of the inhomogeneously milled alloy were alpha and beta phases.
机译:由于其优异的性质,金属生物医学植入物如钛基合金非常有用,其性能优异是响应温度和其他条件的变化。然而,由于合金元素和相对高的杨氏模量或先前使用的Ti合金的生物毒性,因此需要具有诸如β-钛合金的相容性能的生物相容性合金的发育。本研究旨在通过不同的铣削速度生产具有增强性能的β-钛合金。通过改变铣削速度,使用高能球磨机Zoz-Simoloyer〜R机械地合金地机械合金化。由于在聚集期间由于碎片和冷焊接而增加,铣削过程产生不规则形状的粉末随着铣削速度而增加的粒子尺寸。机械合金化工艺的产量很好。不均匀研磨合金的主要阶段是α和β相。

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