Titanium alloys are used for their good mechanical and corrosion properties, but generally experience poor wear behavior. This can effectively be counteracted by a thermal oxidation treatment, reducing wear significantly. Employing a special sample preparation, we study the transition of tribological properties between thermally oxidized and bulk Ti6Al4V on a single sample. While oxygen signal intensity and hardness followed an exponential decay from the surface to bulk material, tribological results showed a step-like transition from low to high friction and wear with increasing distance from the surface. Low wear was associated with minor abrasive marks, whereas high wear showed as severe adhesive material transfer onto the steel counter body. Besides the mechanical property of hardness, also a change in fracture behavior by interstitial oxygen could influence the observed tribological behavior.

中文翻译：

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间隙氧对Ti6Al4V摩擦学的影响

钛合金因其良好的机械性能和耐腐蚀性能而使用，但通常会出现较差的磨损行为。这可以通过热氧化处理有效地抵消，从而显着减少磨损。我们采用特殊的样品制备方法，研究了单个样品上热氧化Ti6Al4V和本体Ti6Al4V之间的摩擦学性能过渡。尽管氧气信号的强度和硬度随从表面到块状材料的指数衰减而变化，但摩擦学结果显示，从低摩擦到高摩擦，随着距表面的距离增加，磨损呈阶梯状过渡。低磨损与轻微的磨蚀痕迹有关，而高磨损则表明严重的粘合剂材料转移到了钢制表体上。除了硬度的机械性能，