本研究大致分為四大部分：第一，使用接觸電阻與摩擦係數來動態監控氧化鋁微粒溶液中鈦自配於不同荷重下之磨耗行為，並與純水中之情況作比較；第二，動態監控氧化鋁微粒溶液中鈦自配於不同往復速率下之磨耗行為，並與純水中之情況作比較；第三，動態監控氧化鋁微粒溶液中鈦自配於不同氧化鋁微粒濃度之磨潤特性；第四，動態監控氧化鋁微粒溶液中鈦自配對於不同氧化鋁微粒粒徑之磨潤特性。以上這些動態監控鈦金屬配對於氧化鋁微粒溶液中之磨潤特性的研究成果，將可提供多項未來磨潤及生醫工程研究之依據。 The continuous variations of electrical contact resistance had been successfully applied to monitor the tribological properties and the wear mechanisms of self-mated titanium under pure water lubrication by our laboratory members. Moreover, the novel method of using continuous variations of electrical contact resistance for monitoring the tribological properties is more sensitive and discriminative than that by the continuous friction coefficient variations as usual.
Therefore, this study is based on the above results to study the effects of Al2O3 particle on the tribological characteristics of self-mated titanium under water lubrication by measuring the continuous variations of electrical contact resistance and friction coefficient. The experiment was conducted by the self-developed friction tester and its measure system. Moreover, the wear loss was measured by an accuracy balance and the SEM was used to observe the micro structures of material transfer.
This study can be divided into four parts: firstly, the tribological characteristics of self-mated titanium under different normal loads were investigated and compared with that under pure water lubrication. Secondly, the tribological characteristics of self-mated titanium under different sliding speeds were investigated and compared with that under pure water lubrication. Thirdly, the effects of Al2O3 particle concentration were studied. Finally, the effects of Al2O3 particle size distribution were also investigated. All of the above dynamic monitoring results will be very helpful for the study of the related tribology engineering and the biomaterial materials in the future.