Corrosion and corrosive-wear behaviors of a high strength and toughness Cu-15Ni-8Sn alloy in seawater

被引：16

作者：

Cheng, Jinjuan ^{[1
]}

Wang, Zheming ^{[1
]}

Gan, Xueping ^{[1
]}

Lei, Qian ^{[1
]}

Li, Zhou ^{[2
]}

Zhou, Kechao ^{[1
]}

机构：

[1] Cent South Univ, State Key Lab Powder Met, Changsha 410083, Hunan, Peoples R China

[2] Cent South Univ, Sch Mat Sci & Engn, Changsha, Hunan, Peoples R China

来源：

MATERIALS AND CORROSION-WERKSTOFFE UND KORROSION | 2020年 / 71卷 / 04期

关键词：

corrosion and wear; Cu-15Ni-8Sn alloy; seawater; synergistic effect; wear mechanism; TRIBOLOGICAL BEHAVIOR; COMPOSITES; COPPER; MECHANISM; WATER; TRANSITION; WORK;

D O I：

10.1002/maco.201911323

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The Cu-15Ni-8Sn alloy with high strength and toughness is a common bearing alloy, while it is often subjected to premature failure in service due to corrosion and wear. Therefore, the corrosion and wear behaviors of an ultra-high-strength and toughness Cu-15Ni-8Sn (wt%) alloy fabricated by hot isostatic pressing were investigated in this study. The results indicated that intergranular corrosion and pits were observed when the studied alloy was immersed into seawater for 30 days. When the Cu-15Ni-8Sn alloy slid in seawater, there was a synergistic effect between corrosion and wear. With the increase of normal load, the synergistic effect weakened initially and then enhanced the interaction between corrosion and wear changed from negative to positive, and the main wear mechanisms transferred from abrasive wear into delamination.

引用

页码：593 / 607

页数：15

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