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Does Taper Angle Clearance Influence Fretting and Corrosion Damage at the Head-Stem Interface? A Matched Cohort Retrieval Study

机译:锥角间隙会影响头干界面的微动和腐蚀损伤吗?匹配的队列检索研究

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摘要

Previous studies have speculated that modular taper design may have an effect on the corrosion and material loss at the taper surfaces. We present a novel method to measure taper angle for retrieved head taper and stem trunnions using a roundness machine (Talyrond 585, Taylor Hobson, UK). We also investigated the relationship between taper angle clearance and visual fretting-corrosion score at the taper-trunnion junction using a matched cohort study of 50 ceramic and 50 metal head-stem pairs. In this study, no correlation was observed between the taper angle clearance and the visual fretting-corrosion scores in either the ceramic or the metal cohorts.
机译:先前的研究推测,模块化的锥度设计可能会对锥度表面的腐蚀和材料损失产生影响。我们提出了一种使用圆度仪(Talyrond 585,Taylor Hobson,英国)来测量取回的头部锥和耳轴的锥角的新颖方法。我们还通过对50个陶瓷和50个金属头-茎对的配对研究,研究了锥角-间隙与锥度-耳轴交界处的视觉微动腐蚀评分之间的关​​系。在这项研究中,在陶瓷或金属队列中,锥角间隙与视觉微动腐蚀评分之间没有相关性。

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