摘要
为探究不同维度碳纳米颗粒对汽轮机油摩擦学性能的影响,用静置沉淀法评定汽轮机油中碳纳米颗粒分散稳定性,利用四球机和梯姆肯试验机以及扫描电子显微镜等试验装置评价3种常见维度的碳纳米颗粒(即零维的富勒烯(以C_(60)为代表)、一维的碳纳米管(CNTs)、二维的还原氧化石墨烯(RGO))在汽轮机油中减摩抗磨效果。结果表明:RGO在汽轮机油中表现出更好分散性,C60和CNTs分散稳定性较差,分子间易发生团聚沉淀;RGO在汽轮机油中减摩抗磨效果最为显著,质量分数0.015%的RGO可使汽轮机油最大无卡咬负荷提升52.38%,摩擦因数降低24.75%。
In order to explore the influence of carbon nanoparticles with different dimensions on the tribological properties of turbine oil,the dispersion stability of carbon nanoparticles in turbine oil was evaluated by static precipitation method.Four-ball machine,Timken test machine and scanning electron microscopy were used to evaluate the friction reducing and anti-wear effects of carbon nanoparticles in three common dimensions(zero dimensional fullerene(represented by C_(60)),one-dimensional carbon nanotubes(CNTs),two-dimensional reduced graphene oxide(RGO))in turbine oil.The results show that RGO shows better dispersibility in turbine oil,while C60 and CNTs have poor dispersion stability,and aggregation and precipitation are easy to occur between molecules.The friction reducing and anti-wear effect of the RGO in the commercial turbine oil is the most significant,0.015%RGO can increase the maximum non seizure load of turbine oil by 52.38%and reduce the friction coefficient by 24.75%.
作者
沈俊杰
余波
包建军
连金杯
康武丽
SHEN Junjie;YU Bo;BAO Jianjun;LIAN Jinbei;KANG Wuli(School of Energy and Power Engineering,Xihua University,Chengdu Sichuan 610039,China;Institute of Polymer Research,Sichuan University,Chengdu Sichuan 610065,China;Sichuan Carbon World Science and Technology Co.,Ltd.,Chengdu Sichuan 610213,China)
出处
《润滑与密封》
CAS
CSCD
北大核心
2021年第3期124-129,共6页
Lubrication Engineering
关键词
碳纳米颗粒
汽轮机油
分散稳定性
摩擦学性能
carbon nanoparticles
turbine oil
dispersion stability
tribological properties
作者简介
沈俊杰(1993-),男,硕士研究生,研究方向为动力工程系统优化与节能技术.E⁃mail:1364291593@qq.com;通信作者:余波(1965-),男,教授,主要研究方向为流体机械及控制,流体机械及工程流场测试.E⁃mail:cgyubo@163.com.
