Influence of Microalloying Elements on the Structures and Properties of Thermal Barrier Coatings on Gas Turbine Blades

被引：0

作者：

Abraimov, N. V. ^{[1
]}

Petukhov, I. G. ^{[1
]}

Orekhova, V. V. ^{[1
]}

机构：

[1] AO ODK NIID Branch, Moscow 105118, Russia

来源：

RUSSIAN METALLURGY | 2023年 / 2023卷 / 06期

关键词：

coatings; chlorides; heat resistance; alloys; chemical reactions;

D O I：

10.1134/S0036029523060034

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

The mechanisms of alloying with hafnium of protective thermal barrier coatings on nickel superalloys are studied. The mechanism of hafnium transfer into the coatings is found to proceed via disproportionation reactions during chrome aluminizing in a powder mixture with aluminum, chrome, and hafnium chlorides as activators. A positive influence of microalloying coatings with hafnium on the fatigue life is observed by heat resistance tests during cyclic changing oxidation temperature in air.

引用

页码：787 / 790

页数：4

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