HEAT AND EROSION-RESISTANT NANOSTRUCTURED COATINGS FOR GAS TURBINE ENGINES

被引：4
|
作者：
Urbahs, Aleksandrs [1 ]
Savkovs, Konstantins [1 ]
Urbaha, Margarita [1 ]
Carjova, Kristine [1 ]
机构：
[1] Riga Tech Univ, Inst Aeronaut, Kalku St 1, LV-1658 Riga, Latvia
来源：
AVIATION | 2013年 / 17卷 / 04期
关键词：
gas turbine engines; errosian resistance; heat; coatings; sputtering technology;
D O I：
10.3846/16487788.2013.861225
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
This work analyses the characteristics of functional coatings obtained by vacuum ion-plasma sputtering. These coatings have three-layer multiphase structure created as a result of condensing aluminium and titanium according to a certain programme. The article presents the results of investigation into the heat-resistance of ion-plasma coatings based on Ti-Al-N for titanium alloy parts of gas turbine engines. Analysis of the oxidation process between a sample surface and coatings within the range of 500-825 degrees C was carried out. The basic features of the process of coating destruction under high-temperature oxidation conditions were determined by means of scanning electron microscopy. The results of the tests made it possible to state that the coatings developed are able to operate at temperatures of 600-750 degrees C.
引用
收藏
页码：137 / 144
页数：8
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