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不同维度碳纳米颗粒对汽轮机油摩擦学性能的影响
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Tribological Properties of Turbine Oil Containing Carbon Nanoparticles with Different Dimensions
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    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C60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%。

    Abstract:

    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 C60),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%.

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沈俊杰,余波,包建军,连金杯,康武丽.不同维度碳纳米颗粒对汽轮机油摩擦学性能的影响[J].润滑与密封,2021,46(3):124-129.
SHEN Junjie, YU Bo, BAO Jianjun, LIAN Jinbei, KANG Wuli. Tribological Properties of Turbine Oil Containing Carbon Nanoparticles with Different Dimensions[J]. Lubrication Engineering,2021,46(3):124-129.

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  • 在线发布日期: 2022-03-10
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