Development and analysis of thermal barrier coatings on gas turbine blades - A Review

被引：83

作者：

Sahith, Morumpalle Sai ^{[1
]}

Giridhara, G. ^{[1
]}

Kumar, R. Suresh ^{[1
]}

机构：

[1] BMS Coll Engn, Dept Mech Engn, Bull Temple Rd, Bengaluru 560019, India

来源：

MATERIALS TODAY-PROCEEDINGS | 2018年 / 5卷 / 01期

关键词：

Thermal barrier coatings; Bond coat; Top coat; Thermally grown oxide; Gas turbine blade; EVOLUTION;

D O I：

10.1016/j.matpr.2018.01.060

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Thermal barrier coatings (TBCS) are advanced ceramic coatings that are applied to metallic surfaces like gas turbine blades and aerospace engines. The function of the TBCS is to provide thermal insulation from the hot gas that flows through the turbine blades. TBCS consist of two layer coating system which comprise of an oxidation and corrosion resistant layer called the bond coat and an insulating ceramic top layer called the top coat. Due to prolonged heating a layer of alpha-Al2O3 particles is formed between the bond coat and top coat that is called as the thermally grown oxide (TGO) layer. Continuous heating will cause the coatings to undergo degradation but it is important to improve the life and efficiency of the coated samples. The purpose of this paper is to review: (a) the different materials selected for thermal barrier coatings which include substrate, bond coat and top coat; (b) various methods implemented to apply the bond coat and the top coat; (c) analysis of thermal barrier coatings done according to various criteria and conditions. (C) 2018 Published by Elsevier Ltd. Selection and Peer-review under responsibility of International Conference on Advanced Materials and Applications (ICAMA 2016).

引用

页码：2746 / 2751

页数：6

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