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DOI: 10.1371/journal.pone.0152143
Title:
Combined Effect of Textured Patterns and Graphene Flake Additives on Tribological Behavior under Boundary Lubrication
Author: Zhen-bing Cai; Lei Zhao; Xu Zhang; Wen Yue; Min-hao Zhu
Source Publication: PLOS ONE
ISSN: 1932-6203
Indexed By: SCI-E
Publishing Year: 2016
Date Published: 2016-4-7
Volume: 11, Issue:4
Language: 英语
Keyword: Oils ; Friction ; Lubrication ; Tribology ; Lasers ; Oxidation ; Absorption spectroscopy ; Graphite
Subject in Chinese: 吸收 ; 吸附作用
Subject: ABSORPTION
English Abstract: A ball-on-plate wear test was employed to investigate the effectiveness of graphene (GP) nanoparticles dispersed in a synthetic-oil-based lubricant in reducing wear. The effect by area ratio of elliptically shaped dimple textures and elevated temperatures were also explored. Pure PAO4 based oil and a mixture of this oil with 0.01 wt% GP were compared as lubricants. At pit area ratio of 5%, GP-base oil effectively reduced friction and wear, especially at 60 and 100°C. Under pure PAO4 oil lubrication, the untextured surfaces gained low friction coefficients (COFs) and wear rates under 60 and 100°C. With increasing laser—texture area ratio, the COF and wear rate decreased at 25 and 150°C but increased at 60 and 100°C. Under the GP-based oil lubrication, the textured surface with 5% area ratio achieved the lowest COF among those of the area ratios tested at all test temperatures. Meanwhile, the textured surface with 20% area ratio obtained the highest COF among those of the area ratios. With the joint action of GP and texture, the textured surface with 10% area ratio exhibited the best anti-wear performance among all of the textured surfaces at all test temperatures.
Related Link: http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0152143&type=printable
Citation statistics:
被引频次[WOS]:6   [查看WOS记录]     [查看WOS中相关记录]
Document Type: 期刊论文
Identifier: http://119.78.100.177/globalchange/handle/2HF3EXSE/23711
Appears in Collections:过去全球变化的重建
影响、适应和脆弱性
科学计划与规划
气候变化与战略
全球变化的国际研究计划
气候减缓与适应
气候变化事实与影响

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Affiliation: Key Lab of Advanced Technologies of Materials (Ministry of Education), Tribology Research Institute, Southwest Jiaotong University, Chengdu, 610031, China;Key Lab of Advanced Technologies of Materials (Ministry of Education), Tribology Research Institute, Southwest Jiaotong University, Chengdu, 610031, China;Key Lab of Advanced Technologies of Materials (Ministry of Education), Tribology Research Institute, Southwest Jiaotong University, Chengdu, 610031, China;Mechanical Engineering Department, School of Engineering and Technology, China University of Geosciences (Beijing), 100083, China;Key Lab of Advanced Technologies of Materials (Ministry of Education), Tribology Research Institute, Southwest Jiaotong University, Chengdu, 610031, China

Recommended Citation:
Zhen-bing Cai,Lei Zhao,Xu Zhang,et al. Combined Effect of Textured Patterns and Graphene Flake Additives on Tribological Behavior under Boundary Lubrication[J]. PLOS ONE,2016-01-01,11(4)
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