胶原纤维取向对关节软骨摩擦性能的影响

IF 1.6 Q4 ENGINEERING, BIOMEDICAL
Seido Yarimitsu, Kei Ito, Hiromichi Fujie
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引用次数: 0

摘要

JSPS KAKENHI,授予/奖励编号:JP16H03172摘要关节软骨具有独特的胶原纤维网络结构,表现出各向异性和深度依赖性。平行于关节软骨表面的横截面中的胶原纤维取向可能会影响关节软骨的润滑特性。通过摩擦有限元分析,研究了胶原纤维取向对关节软骨摩擦性能的影响。具体而言,使用三维纤维增强多孔弹性双相模型来确定胶原纤维取向对关节软骨摩擦性能的影响。模拟结果表明,胶原纤维的取向对接触区前后关节软骨的变形行为有显著影响。与压头速度无关,在平行于胶原纤维方向的方向上的动态摩擦系数低于在垂直于胶原纤维定向的方向上。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Influence of collagen fibre orientation on the frictional properties of articular cartilage

Influence of collagen fibre orientation on the frictional properties of articular cartilage

Articular cartilage has a unique collagen fibre network structure that exhibits both anisotropy and depth dependency. Collagen fibre orientation in a cross-section parallel to the articular cartilage surface may affect the lubrication properties of articular cartilage. The effect of collagen fibre orientation on the frictional properties of articular cartilage was examined through finite element analysis of the friction. Specifically, a three-dimensional fibre-reinforced poroelastic biphasic model was used to determine the influence of collagen fibril orientation on the frictional properties of articular cartilage. The simulations reveal that collagen fibre orientation has a significant influence on the deformation behaviour of articular cartilage in front of and behind the contact area. The coefficient of dynamic friction was lower in the direction parallel to the collagen fibre orientation than in the direction perpendicular to the collagen fibre orientation, regardless of the indenter speed.

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来源期刊
Biosurface and Biotribology
Biosurface and Biotribology Engineering-Mechanical Engineering
CiteScore
1.70
自引率
0.00%
发文量
27
审稿时长
11 weeks
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