Sliding friction behavior of PVA/HA composite hydrogels under different contacting scales

被引：0
|
作者：
Cui X.-T. [1 ]
Liu J.-L. [1 ]
Zhang D.-K. [1 ]
Chen K. [1 ]
Qi J.-W. [1 ]
机构：
[1] School of Materials Science and Engineering, China University of Mining and Technology, Xuzhou, 221116, Jiangsu
来源：
Cailiao Gongcheng/Journal of Materials Engineering | 2016年 / 44卷 / 05期
关键词：
FEM; Fluid load support; PVA/HA composite hydrogel; Sliding friction;
D O I：
10.11868/j.issn.1001-4381.2016.05.010
中图分类号：
学科分类号：
摘要：
UMT-II multi-functional friction and wear tester was used to investigate the sliding friction behavior of polyvinyl alcohol/hydroxyapatite(PVA/HA)composite hydrogel under different contacting scales, and the sliding friction mechanism of PVA/HA composite hydrogel was studied by finite element method (FEM). The results show that in the process of the sliding friction, the average friction, the average friction coefficient and the deformation depth of PVA/HA composite hydrogel decrease gradually with the contacting diameter increasing, and exhibit an increase trend with the contacting load; as the contact diameter increases, the fluid load support increases, then the average friction and deformation depth decrease; as the contact load increases, the loss of the liquid phase increases, then the fluid load support decreases, which causes that the average friction and deformation depth increase. © 2016, Journal of Materials Engineering. All right reserved.
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页码：59 / 64
页数：5
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