Oxidation resistant coatings for refractory metal cermets

被引：23

作者：

Perepezko, J. H. ^{[1
]}

Bero, J. M. ^{[2
]}

Sakidja, R. ^{[1
]}

Talmy, I. G. ^{[3
]}

Zaykoski, J. ^{[3
]}

机构：

[1] Univ Wisconsin Madison, Dept Mat Sci & Engn, Madison, WI 53706 USA

[2] Caterpillar Inc, Peoria, IL 61629 USA

[3] Naval Surface Warfare Ctr, Carderock Div, Bethesda, MD 20817 USA

来源：

SURFACE & COATINGS TECHNOLOGY | 2012年 / 206卷 / 19-20期

关键词：

Cermet; Oxidation; Aluminoborosilicate coating; Pack cementation; ZRC-MO CERMETS; HIGH-TEMPERATURE; MECHANICAL-PROPERTIES; ALLOYS; MICROSTRUCTURE; COMPOSITES; MOLYBDENUM; ZIRCONIA; TUNGSTEN; HAFNIUM;

D O I：

10.1016/j.surfcoat.2012.01.026

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Refractory metal cermets have attractive mechanical properties for high temperature applications, but exhibit poor resistance to oxidation attack. A two-step coating process has been developed in order to provide an effective high temperature oxidation resistance. W-HfN and Mo-ZrN cermet samples were initially coated with a layer of Mo through a Mo(CO)(6) decomposition reaction. The second step involved a co-deposition of B and Si by a pack cementation treatment. The resultant aluminoborosilicate coating exhibits good adherence to the cermet samples. Oxidation exposure at temperatures up to 1400 degrees C demonstrated minimal mass change and an unaltered cermet microstructure. (c) 2012 Elsevier B.V. All rights reserved.

引用

页码：3816 / 3822

页数：7

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