MoO<sub>3</sub>-氧化碳纳米管改性玻璃纤维/环氧树脂复合材料的摩擦磨损性能

赫玉欣; 周梦阳; 吴东阳; 陈秋宇; 张丽; 要博涵

doi:10.13801/j.cnki.fhclxb.20200610.003

MoO₃-氧化碳纳米管改性玻璃纤维/环氧树脂复合材料的摩擦磨损性能

doi: 10.13801/j.cnki.fhclxb.20200610.003

赫玉欣^1, ,,
周梦阳^1,,
吴东阳^1,,
陈秋宇^1,,
张丽^2,,
要博涵^1,

1.
河南科技大学　化工与制药学院，洛阳 471023
2.
洛阳师范学院　化学化工学院，洛阳 471934

基金项目: 河南省科技攻关项目(202102210043)；河南科技大学SRTP项目(2020137)

详细信息

通讯作者:
赫玉欣，博士，副教授，硕士生导师，研究方向为纤维增强树脂基复合材料　E-mail：heyx@haust.edu.cn

中图分类号: TB332
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- 被引次数: 0
出版历程
- 收稿日期: 2020-03-26
- 录用日期: 2020-06-09
- 网络出版日期: 2020-06-10
- 刊出日期: 2021-01-15

Friction and wear properties of MoO₃-oxide carbon nanotubes modified glass fiber/epoxy composites

HE Yuxin^{1
, ,},
ZHOU Mengyang^1
,,
WU Dongyang^1
,,
CHEN Qiuyu^1
,,
ZHANG Li^2
,,
YAO Bohan^1
,

1.
School of Chemical Engineering and Pharmaceutics, Henan University of Science and Technology, Luoyang 471023, China
2.
School of Chemistry and Chemical Engineering, Luoyang Normal University, Luoyang 471934, China

摘要

摘要: 为改善玻璃纤维/环氧树脂(GF/EP)复合材料的耐摩擦磨损性能，采用真空抽滤法制备柔性MoO₃纳米带-氧化碳纳米管膜(m-MoO₃-OCNTs)，并结合真空辅助树脂转移模塑(VARTM)工艺制备m-MoO₃-OCNTs改性GF/EP (m-MoO₃-OCNTs-(GF/EP))复合材料。结果表明，m-MoO₃-OCNTs显著提高了GF/EP复合材料的导热系数和自润滑性能，在干摩擦测试条件下，可在m-MoO₃-OCNTs-(GF/EP)复合材料与对偶面之间形成有效传递摩擦热的高质量连续转移膜；与GF/EP复合材料相比，m-MoO₃-OCNTs-(GF/EP)复合材料的耐摩擦磨损磨性能提高了约4倍。
- 氧化碳纳米管 /
- MoO₃ /
- 玻璃纤维 /
- 环氧树脂 /
- 摩擦磨损
Abstract: In order to improve the anti-friction and anti-wear properties of glass fiber/epoxy (GF/EP) composites, flexible MoO₃ nanobelt-oxide carbon nanotubes film (m-MoO₃-OCNTs) was prepared by the modified vacuum filtration technique, and m-MoO₃-OCNTs modified GF/EP (m-MoO₃-OCNTs-(GF/EP)) composites were prepared by vacuum assisted resin transfer molding (VARTM) process. The results show that m-MoO₃-OCNTs can significantly improve the thermal conductivity and self-lubricating properties of the GF/EP composite. Under the dry friction test conditions, a high-quality continuous transfer film can be formed between the m-MoO₃-OCNTs-(GF/EP) composites and the dual surface, which can effectively transfer the friction heat. Compared with the pure GF/EP composite, the friction and wear resistance of m-MoO₃-OCNTs-(GF/EP) composite is improved by about 4 times.
- oxidized carbon nanotubes /
- MoO₃ /
- glass fiber /
- epoxy /
- friction and wear

HTML全文

图 1 真空树脂转移模塑(VARTM)工艺示意图(a)及柔性MoO₃纳米带-氧化碳纳米管膜改性玻璃纤维/环氧树脂(m-MoO₃-OCNTs-(GF/EP))复合材料照片(b)

Figure 1. Schematic of experimental setup for vacuum assisted resin transfer molding (VARTM) technique (a) and photograph of flexible MoO₃ nanobelt-oxide carbon nanotubes film modified glass fiber/epoxy (m-MoO₃-OCNTs-(GF/EP)) composite (b)

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图 2 MoO₃、MoO₃-OCNTs和OCNTs的Raman图谱(a)及XRD图谱(b)

Figure 2. Raman spectra (a) and XRD patterns (b) of MoO₃, MoO₃-OCNTs and OCNTs

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图 3 m-MoO₃-OCNTs的数码照片(a)、SEM图像(b)和TEM图像(c)

Figure 3. Photograph (a), SEM image (b) and TEM image (c) of m-MoO₃-OCNTs

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图 4 GF/EP、MoO₃-OCNTs-GF/EP和m-MoO₃-OCNTs-(GF/EP)复合材料不同滑动摩擦速率下的摩擦系数及磨损率

Figure 4. Frictional coefficient (a) and wear rate (b) of GF/EP, MoO₃-OCNTs-GF/EP and m-MoO₃-OCNTs-(GF/EP) composites at different sliding velocities

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图 5 GF/EP、MoO₃-OCNTs-GF/EP、m-MoO₃-OCNTs-(GF/EP)复合材料及其对磨偶磨损表面的SEM图像

Figure 5. SEM images of worn surfaces of GF/EP, MoO₃-OCNTs-GF/EP and m-MoO₃-OCNTs-(GF/EP) composites and its couple

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图 6 GF/EP、MoO₃-OCNTs-GF/EP和m-MoO₃-OCNTs-(GF/EP)复合材料摩擦磨损机制示意图

Figure 6. Schematic illustration of friction and wear mechanism of GF/EP, MoO₃-OCNTs-GF/EP and m-MoO₃-OCNTs-(GF/EP) composites

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表 1 不同测试条件下GF/EP、MoO₃-OCNTs-GF/EP和m-MoO₃-OCNTs-(GF/EP)复合材料的磨损率和摩擦系数

Table 1. Wear rates and frictional coefficients of GF/EP, MoO₃-OCNTs-GF/EP and m-MoO₃-OCNTs-(GF/EP) composites tested under different conditions

Sample	Wear rate/(10⁻⁵ mm³·Nm⁻¹)						Coefficient of friction
Sample	2 N	4 N	8 N	40 mm·s⁻¹	80 mm·s⁻¹	120 mm·s⁻¹	2 N	4 N	8 N	40 mm·s⁻¹	80 mm·s⁻¹	120 mm·s⁻¹
GF/EP	3.7	7.3	27.5	7.5	13.3	26.3	0.58	0.56	0.53	0.59	0.53	0.47
MoO₃-CNTs-GF/EP	2.4	5.8	25.5	7.4	11.2	25.0	0.56	0.53	0.46	0.54	0.48	0.42
m-MoO₃-CNTs-(GF/EP)	1.2	2.4	23.1	5.6	10.0	22.5	0.47	0.40	0.32	0.36	0.31	0.26
Notes: When the normal force changes, the sliding velocity is 120 mm/s; when the sliding velocity changes, the normal force is 8 N.

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表 2 GF/EP、MoO₃-OCNTs-GF/EP和m-MoO₃-OCNTs-(GF/EP)复合材料的力学性能、硬度及导热系数

Table 2. Mechanical properties, hardness and thermal conductivities of GF/EP, MoO₃-OCNTs-GF/EP and m-MoO₃-OCNTs-(GF/EP) composites

Sample	Tensile strength/MPa	Young’s modulus/GPa	Hardness/Shore D	Thermal conductivity/(W(m·K)⁻¹)
GF/EP	550.6±7.6	27.5±1.1	85.2±1.6	0.19
MoO₃-OCNTs-GF/EP	574.2±6.8	29.3±0.6	85.3±1.1	1.46
m-MoO₃-OCNTs-(GF/EP)	615.8±5.7	32.7±0.9	89.2±1.8	3.98

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