Gradient complex protective coatings for single-crystal turbine blades of high-heat gas turbine engines

被引：0
|
作者：
V. P. Kuznetsov
V. P. Lesnikov
S. A. Muboyadzhyan
O. V. Repina
机构：
[1] Ural State Technical University — Ural Polytechnic Institute (UGTU-UPI),
[2] TUBOMET Company,undefined
[3] All-Russia Institute for Aircraft Materials (VIAM),undefined
来源：
Metal Science and Heat Treatment | 2007年 / 49卷
关键词：
Turbine Blade; Diffusion Zone; Aluminide Coating; External Zone; Complex Coating;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Complex diffusion-condensation protective coatings characterized by gradient distribution of alloying elements over the thickness due to formation of a diffusion barrier layer on the surface of blades followed by deposition of condensation alloyed layers based on the Ni-Co-Cr-Al-Y system and an external layer based on a NiAl alloyed β-phase and a ZrO2: Y2O3 ceramics are presented. A complex gradient coating possessing unique protective properties at t = 1100–1200°C for single-crystal blades from alloy ZhS36VI for advanced gas turbine engines with gas temperature of 1550°C at the inlet to the turbine is described.
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页码：253 / 259
页数：6
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