Tribological properties of bionic surface of 3D printed UV and ABS polymer materials

doi:10.3969/j.issn.1000-1565.2020.03.003

Abstract

Abstract: The mechanism and influence law of bionic surface on friction pair under dry friction condition were studied. Two kinds of macromolecule materials, photosensitive resin(UV)and acrylonitrile-styrene-butadiene(ABS), were used as samples. The samples with bionic and smooth surfaces were fabricated by 3D printing technology. Under dry friction condition, ball-disk friction and wear experiments were carried out using a reciprocating friction and wear tester. The friction coefficients and wear quantities of the two materials were measured. The worn surfaces were observed by focusing microscope and stereofluorescence microscope. The results showed that the change of load and speed caused the change of friction coefficient and- DOI:10.3969/j.issn.1000-1565.2020.03.0033D打印UV与ABS材料仿生表面摩擦学性能朱炜军,衣雪梅,王美玲(西北农林科技大学机械与电子工程学院,陕西杨凌 712100)摘要:对在干摩擦条件下仿生表面对摩擦副的作用机理与影响规律进行了研究.实验以光敏树脂(UV)和丙烯腈-苯乙烯-丁二烯(ABS)2种高分子材料为样品,利用3D打印技术分别加工出具有仿生表面与光滑表面的试样.干摩擦条件下,在摩擦磨损试验机上进行球-面摩擦磨损实验,测量UV与ABS的摩擦系数与磨损量,并用激光共聚焦显微镜与体视荧光显微镜观察磨损表面.研究结果表明:载荷与转速的改变会引起摩擦系数与磨损量的变化.UV仿生表面在3 N载荷与200 r/min转速、5 N载荷与200 r/min转速和3 N载荷与400 r/min转速工况下平均摩擦系数分别为0.534、0.598和0.642;在5 N载荷下相较3 N磨损量提高了40.0%,在400 r/min转速下相较200 r/min磨损量提高了185.5%.ABS仿生表面在3 N载荷与200 r/min转速、5 N载荷与200 r/min转速和3 N载荷与400 r/min转速工况下平均摩擦系数分别为0.336、0.346和0.378;在5 N载荷下相较3 N磨损量提高了2.69%,在400 r/min转速下相较200 r/min磨损量提高了12.5%.UV样品为粘着磨损,而ABS样品黏着磨损为主,伴随有磨粒磨损.关键词:3D打印;高分子材料;摩擦系数;磨损量;仿生表面中图分类号:TH117.1 文献标志码:A 文章编号:1000-1565(2020)03-0240-09Tribological properties of bionic surface of 3D printed UV and ABS polymer materialsZHU Weijun,YI Xuemei,WANG Meiling(College of Mechanical and Electronic Engineering, Northwest Agriculture & Forestry University,Yangling 712100, China)Abstract: The mechanism and influence law of bionic surface on friction pair under dry friction condition were studied. Two kinds of macromolecule materials, photosensitive resin(UV)and acrylonitrile-styrene-butadiene(ABS), were used as samples. The samples with bionic and smooth surfaces were fabricated by 3D printing technology. Under dry friction condition, ball-disk friction and wear experiments were carried out using a reciprocating friction and wear tester. The friction coefficients and wear quantities of the two materials were measured. The worn surfaces were observed by focusing microscope and stereofluorescence microscope. The results showed that the change of load and speed caused the change of friction coefficient and- 收稿日期:2019-10-27 基金项目:西北农林科技大学人才专项资金资助项目(Z111021701);陕西省重点研发计划项目(2018GY-116) 第一作者:朱炜军(1995—),男,浙江杭州人,西北农林科技大学在读硕士研究生,主要从事机械摩擦与磨损研究.E-mail:1024745951@qq.com 通信作者:衣雪梅(1976—),女,山东栖霞人,西北农林科技大学副教授,博士,主要从事新型氮(氧)化物精细陶瓷的制备及性能表征.E-mail:xuemei_yi@nwsuaf.edu.cn王美玲(1986—),女,内蒙古赤峰人,西北农林科技大学副教授,博士,主要从事机械摩擦与磨损研究.E-mail:ml.wang@nwafu.edu.cn第3期朱炜军等:3D打印UV与ABS材料仿生表面摩擦学性能wear quantity. The average friction coefficients of UV bionic surfaces at 3 N load and 200 r/min speed, 5 N load and 200 r/min speed and 3 N load and 400 r/min speed were 0.534, 0.598 and 0.642, respectively, which were 40.0% higher than that of 3 N under 5 N load and 185.5% higher than that of 200 r/min at 400 r/min speed. The average friction coefficients of ABS bionic surfaces at 3 N load and 200 r/min speed, 5 N load and 200 r/min speed and 3 N load and 400 r/min speed were 0.336, 0.346 and 0.378, respectively, at 5 N load. The wear loss of the lower phase is 2.69% higher than that of 3 N and 12.5% higher than that of 200 r/min and 400 r/min speed. The adhesion wear of UV samples was mainly abrasive wear, while that of ABS samples was mainly abrasive wear.

Key words: 3D printing, polymer materials, friction coefficient, wear loss, biomimetic surface

CLC Number:

TH117.1

ZHU Weijun,YI Xuemei,WANG Meiling. Tribological properties of bionic surface of 3D printed UV and ABS polymer materials[J]. Journal of Hebei University (Natural Science Edition), 2020, 40(3): 240-248.

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