石墨烯与ZDDP作为复配润滑油添加剂的摩擦学性能

付景国; 朱嘉琪; 朱新河; 马春生; 徐长旗; 刘建

doi:10.16411/j.cnki.issn1006-7736.2020.02.014

大连海事大学学报 >

2020 , Vol. 46 >Issue 2: 114 - 119

DOI: https://doi.org/10.16411/j.cnki.issn1006-7736.2020.02.014

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石墨烯与ZDDP作为复配润滑油添加剂的摩擦学性能

付景国 ,
朱嘉琪 ,
朱新河 ,
马春生 ,
徐长旗 ,
刘建

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(大连海事大学轮机工程学院，辽宁大连 116026)

付景国（1986 — ），男，博士生，讲师，E-mail: fjingguo@dlmu.edu.cn.

收稿日期: 2019-10-24

修回日期: 2020-01-10

网络出版日期: 2020-01-17

基金资助

辽宁省自然基金指导计划（2019-ZD-0148）;中央高校基本科研业务费专项资金资助项目（3132019331）.

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Tribological properties of graphene and ZDDP as compound lubricant additives

FU Jing-guo ,
ZHU Jia-qi ,
ZHU Xin-he ,
MA Chun-sheng ,
XU Chang-qi ,
LIU Jian

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(Marine Engineering College, Dalian Maritime University, Dalian 116026, China)

Received date: 2019-10-24

Revised date: 2020-01-10

Online published: 2020-01-17

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摘要

为探究石墨烯作为润滑油添加剂与现有二烷基二硫代磷酸锌（ZDDP）添加剂之间的复配性能，以span80为分散剂，在基础油里制备出不同质量含量的石墨烯添加剂油样以及石墨烯和ZDDP混合添加剂油样。利用四球摩擦磨损试验机对添加剂油样进行摩擦磨损试验，采用金相显微镜、能谱仪对钢球磨斑直径、磨斑形貌和磨斑表面元素进行分析。结果表明：当石墨烯的质量含量为0.03%时，油样的平均摩擦系数约为0.047，磨斑直径约为0.297mm；与基础油相比，分别降低31.9%和 22.6%；当石墨烯和ZDDP的质量含量分别为0.03%和0.5%时，油样的抗磨性能得到极大提高，磨斑直径约为0.145mm，与单石墨烯添加剂油样相比，约降低36.9%。由此看出，石墨烯与ZDDP共混物作为润滑油添加剂时可改善摩擦副间的摩擦学性能，并且两者能起到较好的协同作用。

关键词： 石墨烯; ZDDP; 润滑油添加剂; 复配性能; 摩擦学性能

本文引用格式

付景国 , 朱嘉琪 , 朱新河 , 马春生 , 徐长旗 , 刘建 . 石墨烯与ZDDP作为复配润滑油添加剂的摩擦学性能[J]. 大连海事大学学报, 2020 , 46(2) : 114 -119 . DOI: 10.16411/j.cnki.issn1006-7736.2020.02.014

Abstract

IIn order to explore the compound properties of graphene, as lubricating oil additive, and zinc dialkyl dithiophosphate (ZDDP) additive, the oil samples with different mass fractions of graphene additive and mixed additive of graphene and ZDDP were prepared by using span80 as dispersant. The friction and wear test were carry out on the four-ball friction and wear testing machine by the different additive. The diameter, morphology and surface elements of grinding spots were analyzed by metallographic microscope and energy spectrometer. The results show that when the mass fraction of graphene is 0.03%, the average friction coefficient of sample is about 0.047, and the wear spot diameter is about 0.297 mm, which is reduced by 31.9% and 22.6% respectively as compared with that of the base oil. When the mass fraction of graphene and ZDDP is 0.03% and 0.5% respectively, the anti-wear performance of sample is greatly improved, and the wear spot diameter is about 0.145 mm, which is reduced by 36.9% as compared with that of the single graphene additive oil sample. It can be seen that the tribological properties of the friction pairs can be improved by using blends of graphene and ZDDP due to better synergistic role.

Key words： graphene; zinc dialkyl dithiophosphate (ZDDP); lubricating oil additive; compound property; tribological property

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