Friction and wear characteristics of PA 66 polymer composite/316L stainless steel tribopair in aqueous solution with different salt levels

被引：25

作者：

Gebretsadik, Daniel W. ^{[1
]}

Hardell, Jens ^{[1
]}

Prakash, Braham ^{[1
]}

机构：

[1] Lulea Univ Technol, Dept Engn Sci & Math, Div Machine Elements, SE-97187 Lulea, Sweden

来源：

TRIBOLOGY INTERNATIONAL | 2020年 / 141卷

关键词：

Polyamide; Glass fibre; Seawater; Wear; TRIBOLOGICAL BEHAVIORS; WATER; POLYAMIDE-66;

D O I：

10.1016/j.triboint.2019.105917

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Friction and wear behaviour of a PA 66 composite with 25% glass fibre reinforcement sliding against a 316L stainless steel have been investigated using different aqueous solutions under mixed/boundary lubrication. The aqueous solutions used are deionized water, seawater, seawater without group II metal salts, solution of dissolved Group II metal salts and solution of group II metal salts and NaHCO3. Lower friction and wear was obtained when lubricated with seawater. However, when deionized water or salt solutions without group II metal salts is used, increased wear was observed. The lower friction and wear in seawater solution is due to group II metal ions and bicarbonate ions that facilitate formation of the sparingly soluble carbonates that act as a lubricating tribofilm.

引用

页数：10

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