• 主题
高级搜索  >
历史搜索 清空历史
首页> 美国卫生研究院文献>Materials >Comparison of Fatigue Properties and Fatigue Crack Growth Rates of Various Implantable Metals
【2h】

Comparison of Fatigue Properties and Fatigue Crack Growth Rates of Various Implantable Metals

机译：各种可植入金属的疲劳特性和疲劳裂纹扩展速率的比较

代理获取
本网站仅为用户提供外文OA文献查询和代理获取服务，本网站没有原文。下单后我们将采用程序或人工为您竭诚获取高质量的原文，但由于OA文献来源多样且变更频繁，仍可能出现获取不到、文献不完整或与标题不符等情况，如果获取不到我们将提供退款服务。请知悉。
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

The fatigue strength, effects of a notch on the fatigue strength, and fatigue crack growth rate of Ti-15Zr-4Nb-4Ta alloy were compared with those of other implantable metals. Zr, Nb, and Ta are important alloying elements for Ti alloys for attaining superior long-term corrosion resistance and biocompatibility. The highly biocompatible Ti-15Zr-4Nb-4Ta alloy exhibited an excellent balance between strength and ductility. Its notched tensile strength was much higher than that of a smooth specimen. The strength of 20% cold-worked commercially pure (C.P.) grade 4 Ti was close to that of Ti alloy. The tension-to-tension fatigue strength of an annealed Ti-15Zr-4Nb-4Ta rod at 107 cycles was approximately 740 MPa. The fatigue strength of this alloy was much improved by aging treatment after solution treatment. The fatigue strengths of C.P. grade 4 Ti and stainless steel were markedly improved by 20% cold working. The fatigue strength of Co-Cr-Mo alloy was markedly increased by hot forging. The notch fatigue strengths of 20% cold-worked C.P. grade 4 Ti, and annealed and aged Ti-15Zr-4Nb-4Ta, and annealed Ti-6Al-4V alloys were less than those of the smooth specimens. The fatigue crack growth rate of Ti-15Zr-4Nb-4Ta was the same as that of Ti-6Al-4V. The fatigue crack growth rate in 0.9% NaCl was the same as that in air. Stainless steel and Co-Cr-Mo-Ni-Fe alloy had a larger stress-intensity factor range (ΔK) than Ti alloy.
机译：比较了Ti-15Zr-4Nb-4Ta合金的疲劳强度，缺口对疲劳强度的影响以及疲劳裂纹扩展率。 Zr，Nb和Ta是获得优异的长期耐蚀性和生物相容性的重要元素，是Ti合金的重要合金元素。具有高度生物相容性的Ti-15Zr-4Nb-4Ta合金在强度和延展性之间表现出出色的平衡。其缺口抗拉强度比光滑试样高得多。 20％商业加工的纯净（C.P.）4级Ti的强度接近于Ti合金的强度。 Ti-15Zr-4Nb-4Ta退火棒在10sup7 循环中的拉伸疲劳强度约为740 MPa。通过固溶处理后的时效处理，该合金的疲劳强度大大提高。 C.P.的疲劳强度20％的冷加工可显着改善4级Ti和不锈钢。热锻可显着提高Co-Cr-Mo合金的疲劳强度。冷加工C.P.的缺口疲劳强度为20％ 4级Ti，退火和时效的Ti-15Zr-4Nb-4Ta合金以及退火的Ti-6Al-4V合金均小于光滑试样。 Ti-15Zr-4Nb-4Ta的疲劳裂纹扩展速率与Ti-6Al-4V相同。在0.9％NaCl中的疲劳裂纹扩展速率与空气中的相同。不锈钢和Co-Cr-Mo-Ni-Fe合金的应力强度因子范围（ΔK）比Ti合金大。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
代理获取

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号