Low-temperature formation and oxidation resistance of nickel aluminide/nickel hybrid coatings on alloy steels

被引：51

作者：

Xiang, Z. D. ^{[1
,2
]}

Rose, S. R. ^{[2
]}

Datta, P. K. ^{[2
]}

机构：

[1] Wuhan Univ Sci & Technol, Sch Met & Mat, Wuhan 430081, Peoples R China

[2] Northumbria Univ, Sch Comp Engn & Informat Sci, Newcastle Upon Tyne NE1 8ST, Tyne & Wear, England

来源：

SCRIPTA MATERIALIA | 2008年 / 59卷 / 01期

关键词：

low-temperature aluminization; nickel plating; oxidation resistance; alloy steels; coating;

D O I：

10.1016/j.scriptamat.2008.02.034

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Conditions were identified for low-temperature formation of a hybrid coating consisting of an outer nickel aluminide layer and an inner nickel layer on alloy steels using a two-step process of nickel plating followed by pack aluminization. The long-term oxidation process of the coating in air at 650 degrees C did not obey any power laws of oxidation, but can be described by logarithmic kinetics. Factors affecting the lifetime of the coating at 650 degrees C were delineated. (C) 2008 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

引用

页码：99 / 102

页数：4

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