2012, 32(4):402-409.

角蛋白组织摩擦学性能及其损伤自修复的初步研究

1.?

西南交通大学 牵引动力国家重点实验室摩擦学研究所,四川 成都 610031

通讯作者: 钱林茂, linmao@swjtu.edu.cn

收稿日期: 2011-11-30

基金项目: The project was supported by the national Natural Science Foundation of China (51175441, 90923017), and the Youth Foundation of Science and Technology for Innovation Research Teams from Sichuan province (2010JQ008).
国家自然科学基金项目(51175441,90923017)和四川省青年科技基金创新团队项目(2010JQ0081)资助.

Preliminary Study on Tribological Behavior and Self-repairing Mechanism of Keratin Tissues

1.?

Tribology Research Institute, National Traction Power Laboratory, Southwest Jiaotong University, Chengdu 610031, China

Corresponding author: QIAN Lin-mao, linmao@swjtu.edu.cn

Received Date: 30 Nov 2011

引用本文: 赵飞, 魏鹏, 余丙军, 钱林茂. 角蛋白组织摩擦学性能及其损伤自修复的初步研究[J]. 摩擦学学报, 2012, 32(4): 402-409.

Citation: ZHAO Fei, WEI Peng, YU Bing-jun and QIAN Lin-mao. Preliminary Study on Tribological Behavior and Self-repairing Mechanism of Keratin Tissues[J]. TRIBOLOGY, 2012, 32(4): 402-409.

采用纳米压痕/划痕仪和维氏硬度仪,初步研究了2种不同角蛋白材料-指甲和鸡爪的摩擦学性能及其损伤自修复特性.结果表明:指甲和鸡爪微观结构的不同导致其摩擦学性能和自修复能力有较大差异.由于具有更好的纤维取向性,指甲表面的划痕摩擦系数略低于鸡爪.指甲横截面上垂直于纤维方向的划痕摩擦力比平行于纤维方向的大,划痕宽度小;鸡爪内外层结构的不同使得其外层的摩擦力较大,划痕宽度较小.浸泡在水中,指甲和鸡爪上的压痕变形和低载下的划痕变形能够分别在5和30 min内完全恢复.

关键词: 角蛋白组织, 摩擦, 磨损, 自修复, 生物摩擦学
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    角蛋白组织摩擦学性能及其损伤自修复的初步研究

    赵飞, 魏鹏, 余丙军, 钱林茂