Graphene as a protective coating and superior lubricant for electrical contacts

被引：103
作者：
Berman, Diana [1 ]
Erdemir, Ali [2 ]
Sumant, Anirudha V. [1 ]
机构：
[1] Argonne Natl Lab, Ctr Nanoscale Mat, Argonne, IL 60439 USA
[2] Argonne Natl Lab, Div Energy Syst, Argonne, IL 60439 USA
来源：
APPLIED PHYSICS LETTERS | 2014年 / 105卷 / 23期
关键词：
SLIDING STEEL SURFACES; ELASTIC PROPERTIES; SHEETS; WEAR; RESISTANCE; FRICTION; LAYER;
D O I：
10.1063/1.4903933
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Potential for graphene to be used as a lubricant for sliding electrical contacts has been evaluated. Graphene, being deposited as a sporadic flakes on the gold substrate sliding against titanium nitride ball shows not only significant improvement in tribological behavior by reducing both friction (by factor of 2-3) and wear (by 2 orders) but also, even more importantly, demonstrates stable and low electrical resistance at the sliding contacts undergoing thousands of sliding passes regardless of the test environment (i.e., both in humid and dry conditions). (C) 2014 AIP Publishing LLC.
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页数：4
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