An Investigation of the Mechanism of the Friction and Wear of Carbon
An Investigation of the Mechanism of the Friction and Wear of Carbon
复制标题
碳摩擦磨损机理的研究
DOI：
10.1115/1.3656886
复制
发表时间：
1963
期刊：
影响因子：
--
通讯作者：
D. Teer
中科院分区：
文献类型：
--
作者：
J. Midgley;D. Teer
本文比较了高石墨度（p = 0.1）和低石墨度（p = 0.9）碳（以下简称石墨碳和非石墨碳）在室温、真空、空气和CO2中的摩擦磨损特性。非石墨碳的摩擦可以和石墨碳一样低，并且它同样受到吸收气体的影响。然而，它是不同的，因为它周期性地表现出摩擦的显著增加，这在石墨碳中通常观察不到。由摩擦产生的表面取向也是相当不同的，磨损模式也是如此。这些差异已被调查，并解释在与两种材料的结构相关的不同的物理性能。在此基础上，对有关石墨碳摩擦机理的各种理论进行了批判性的评价。结果雅阁，石墨碳（和非石墨碳）的低摩擦是由于微晶间的低粘附力，而不是由于低剪切强度或由于表面被卷起的微晶分离。
A comparison has been made of the friction and wear characteristics of carbons of high (p = 0.1) and low (p = 0.9) graphiticity (hereafter referred to as graphitic and nongraphitic) in vacuo, air, and CO2at ambient room temperature. The friction of nongraphitic carbon can be just as low as graphitic carbon and it is similarly affected by absorbed gases. It is different, however, in that it periodically exhibits a substantial increase of friction which is not normally observed with graphitic carbon. The surface orientation produced by rubbing is also quite different and so is the mode of wear. These differences have been investigated and are explained in terms of the different physical properties associated with the structures of the two materials. On the basis of this work a critical assessment has been made of the various theories concerning the mechanism of the friction of graphitic carbon. The results are in accord with the view that the low friction of graphitic carbon (and of nongraphitic carbon) is due to low adhesion between crystallites, not to the low shear strength nor to the separation of the surfaces by rolled up crystallites.