We study the influence of the chemical composition and the conditions of thermomechanical and thermal treatments on the structural strength determined by the characteristics of strength and cyclic crack-growth resistance, as well as on the corrosion and corrosion-fatigue properties of alloys of the Ti–Nb–Si and Ti–Nb–Zr–Si systems. These characteristics are compared with the characteristics determined for the extensively used Ti–Al–V alloy intended for biomedical applications. It is shown that, under the conditions of reliable control over the formation and development of mechanical defects (fatigue cracks) in the products made of Ti–18.7Nb–1.0Si alloy, this alloy may serve as a good alternative to Ti–6Al–4V alloy.

中文翻译：

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用于生物医学目的的 Ti-Nb-Zr-Si 系统合金的强度和耐腐蚀疲劳裂纹扩展性

我们研究了化学成分和热机械和热处理条件对由强度和循环裂纹扩展阻力特性决定的结构强度的影响，以及对钛合金的腐蚀和腐蚀疲劳性能的影响。 Nb-Si 和 Ti-Nb-Zr-Si 系统。这些特性与为生物医学应用广泛使用的 Ti-Al-V 合金确定的特性进行了比较。结果表明，在可靠控制 Ti-18.7Nb-1.0Si 合金制品中机械缺陷（疲劳裂纹）的形成和发展的条件下，该合金可作为 Ti-6Al-的良好替代品。 4V合金。