吉林大学学报(工学版) ›› 2019, Vol. 49 ›› Issue (5): 1630-1635.doi: 10.13229/j.cnki.jdxbgxb20181222

• • 上一篇    

软硬相间层状仿生材料摩擦因数影响因素

王蜜1,2(),李致远1,樊文选1,李家亿1,刘镇宁1,卢国龙1()   

  1. 1. 吉林大学 工程仿生教育部重点实验室,长春 130022
    2. 长春师范大学 工程学院,长春 130032
  • 收稿日期:2018-12-11 出版日期:2019-09-01 发布日期:2019-09-11
  • 通讯作者: 卢国龙 E-mail:wangmi3214@126.com;guolonglu@jlu.edu.cn
  • 作者简介:王蜜(1987-),女,讲师,博士.研究方向:软硬相间仿生材料.E-mail:wangmi3214@126.com
  • 基金资助:
    国家自然科学基金项目(51605187);吉林省教育厅项目(JJKH20180093KJ);省校共建项目(SXGJQY2017-1)

Influence factors upon friction coefficient of bioinspired materials with integrated soft and hard layers

Mi WANG1,2(),Zhi-yuan LI1,Wen-xuan FAN1,Jia-yi LI1,Zhen-ning LIU1,Guo-long LU1()   

  1. 1. Key Laboratory for Bionic Engineering Ministry of Education, Jilin University, Changchun 130022, China
    2. College of Engineering, Changchun Normal University, Changchun 130032, China
  • Received:2018-12-11 Online:2019-09-01 Published:2019-09-11
  • Contact: Guo-long LU E-mail:wangmi3214@126.com;guolonglu@jlu.edu.cn

摘要:

以粘着摩擦理论为基础,结合软硬相间层状结构特点,确立了软硬相间层状仿生材料摩擦过程数学模型。利用数值分析软件Abaqus建立了软硬相间层状仿生材料摩擦过程有限元模型,研究了软、硬材料组分的材料属性,软、硬材料组分的体积分数,软、硬材料组分各自摩擦因数对软硬相间层状仿生材料摩擦因数的影响规律。采用ProJet 5500X 3D打印机制备了软硬相间层状仿生材料并进行了摩擦试验,验证了理论及模拟结果。

关键词: 材料科学基础学科, 软硬相间, 摩擦机理, 仿生材料, 摩擦因数

Abstract:

In order to investigate the friction mechanism of the bioinspired materials with integrated soft and hard layers, the mathematical model of the friction process of bioinspired soft-hard integrated materials is established based on the theory of adhesive friction, taking into account the structure of soft and hard layers. The friction process of bioinspired soft-hard integrated materials was analyzed by numerical analysis software “Abaqus”. The effect of material properties, such as the volume ratio and friction coefficient of soft and hard materials, on the friction coefficient of the bioinspired materials is discussed. Bioinspired materials with integrated soft and hard layers were prepared by 3D printing and friction experiments were carried out. Experimental results verify the theoretical analysis and simulation results.

Key words: basic disciplines of materials science, soft-hard integrated, friction mechanism, bioinspired material, friction coefficient

中图分类号: 

  • TB33

图1

材料摩擦界面"

图2

软硬相间层状仿生材料摩擦界面"

图3

摩擦过程有限元模型"

表1

软硬材料组分基本参数"

材料泊松比密度/(g·cm-3)摩擦因数
0.41.50.1
0.41.50.2

图4

软硬相间层状仿生材料摩擦过程Mises应变"

图5

硬材料组分弹性模量对软硬相间层状仿生材料摩擦因数的影响"

图6

硬材料组分摩擦因数对软硬相间层状仿生材料摩擦因数的影响"

图7

硬材料组分体积分数对软硬相间层状仿生材料摩擦因数的影响"

图8

软硬相间层状仿生材料"

图9

软硬相间层状仿生材料试验件"

表2

软硬材料组分弹性模量"

材料颜色弹性模量E/MPa摩擦因数
100极淡灰16500.0915
200淡灰12000.1057
300淡灰较6300.1398
4001600.1486
500较灰230.1954

表3

层状仿生材料摩擦系数"

参数实际值理论值误差/%
300/1000.11460.10489.303
300/2000.12780.11748.822
300/3000.13980.13980
300/4000.14190.14160.224
300/5000.14970.14765.602
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