Tribological properties of polymer composites with diamond-like carbon flakes

被引：4

作者：

Ohana, Tsuguyori ^{[1
]}

Nakamura, Takako ^{[1
]}

Tanaka, Akihiro ^{[1
]}

机构：

[1] Natl Inst Adv Ind Sci & Technol, Tsukuba, Ibaraki 3058565, Japan

来源：

关键词：

Diamond-like carbon; Powder; Composites; Tribological properties; DLC FILMS;

D O I：

10.1016/j.diamond.2010.02.020

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Composites of epoxy resin with diamond-like carbon (DLC) flakes were fabricated. The DLC flakes were prepared from a DLC film deposited by chemical vapor deposition on an aluminum substrate. The tribological properties of composites were evaluated in air and water environments using a reciprocating friction tester and an AISI 440C mating ball. The friction coefficient of the epoxy composite decreased from 0.90 to 0.69 in air and from 0.71 to 0.29 in water with the addition of DLC flakes. The specific wear rate of the composite also decreased from 5 x 10(-5) to 7 x 10(-6) mm(3)/N m in air and from 4 x 10(-5) to 4 x 10(-6) mm(3)/N m in water. In contrast, the wear of the mating ball increased. Furthermore, the tribological properties of DLC flakes as an additive in water were evaluated. The suspension of powdered DLC in water reduced the friction coefficient of epoxy resin against the AISI 440C mating ball. Furthermore, the wear of the resin was negligibly small, although severe abrasive wear on the mating ball was observed. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：894 / 898

页数：5

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