Effect of high-phosphorus electroless nickel coating on fatigue life of Al-Cu-Mg-Fe-Ni alloy

被引：27

作者：

Lonyuk, B. ^{[1
]}

Apachitei, I. ^{[1
]}

Duszczyk, J. ^{[1
]}

机构：

[1] Delft Univ Technol, Dept Mat Sci & Engn, NL-2628 CD Delft, Netherlands

来源：

SCRIPTA MATERIALIA | 2007年 / 57卷 / 08期

关键词：

aluminium alloy; coating; electroless nickel; fatigue; fracture;

D O I：

10.1016/j.scriptamat.2007.05.015

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The fatigue behaviour of Al-Cu-Mg-Fe-Ni alloy was evaluated in four different conditions: uncoated, after second zincating pre-treatment. coated with high phosphorus electroless nickel layer and coated with NiP and heat treated for hydrogen release. The results of the fatigue test indicated an increased fatigue life of the coated aluminium alloy up to 150%. This improvement was associated with the higher strength of the coating as compared to the substrate and with the development of compressive residual stresses in the coating during deposition. (c) 2007 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

引用

页码：783 / 786

页数：4

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