润滑
机制(生物学)
接头(建筑物)
纹理(宇宙学)
材料科学
曲面(拓扑)
计算机科学
人工智能
复合材料
工程类
几何学
结构工程
数学
物理
图像(数学)
量子力学
作者
Qi Liu,Junjie Shentu,Daolong Yang,Yuquan Ni,Hengdi Yuan,Junde Guo,Guangneng Dong,Guanghong Wang
摘要
Abstract After total joint replacement surgery, frequent injection of lubricating substances is required due to lubrication failure caused by the absorption of lubricants by the human body, which will cause serious physiological and psychological burdens on patients. In this study, with the help of surface texture aggregation of particles, gelatin microgel particles with a diameter of about 4 μm were used as lubricating substances to achieve aggregation in the texture, thus improving the friction environment under low-concentration lubricants. The study found that the rectangular cross-sectional texture demonstrated the most effective anti-friction properties, resulting in a 26% reduction in friction coefficient compared to non-textured surfaces. Additionally, utilizing comsol for particle flow simulation, researchers observed the motion behavior of particles within the texture and clarified the mechanism of particle aggregation and the improvement of lubrication on the surface. This article confirms the beneficial effects of combining surface texture and particles on lubrication, thus providing valuable insight for improving lubrication in dilute particle solutions.
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