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The Effect of Additional Ceramic Fiber on Wear and Mechanical Properties of Thermal Barrier Coatings
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Author(s): Mahdi Alebrahim (FunGlass – Centre for Functional and Surface Functionalized Glass, Alexander Dubček University of Trenčín, Slovakia), Amirhossein Pakseresht (FunGlass – Centre for Functional and Surface Functionalized Glass, Alexander Dubček University of Trenčín, Slovakia), Reza Jafari (Tampere University, Finland), Dusan Galusek (FunGlass – Centre for Functional and Surface Functionalized Glass, Alexander Dubček University of Trenčín, Slovakia)and Fariborz Sharifian Jazi (The University of Georgia, Georgia)
Copyright: 2022
Pages: 19
Source title:
Handbook of Research on Tribology in Coatings and Surface Treatment
Source Author(s)/Editor(s): Amirhossein Pakseresht (FunGlass – Centre for Functional and Surface Functionalized Glass, Alexander Dubček University of Trenčín, Slovakia)and Omid Sharifahmadian (FunGlass – Centre for Functional and Surface Functionalized Glass, Alexander Dubček University of Trenčín, Slovakia)
DOI: 10.4018/978-1-7998-9683-8.ch001
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Abstract
Thermal barrier coatings (TBCs) are intended to defend the engines against excessive heat. The surface of a component is subjected to mechanical degradation, such as wear, in a variety of engineering applications. The majority of equipment used in industrial processes is subjected to abrasive wear at elevated temperatures. In the engineering industry, surface modification and deposition of various coatings are used to improve the tribological characteristics of materials. Reinforced materials offer superior mechanical and thermal qualities as compared to conventional materials. The ceramic matrix and TBCs have low fracture toughness and weak cohesive strength of the ceramic layer, limiting their applicability range. A technique for improving the mechanical properties of ceramic coatings is to incorporate reinforcing materials, such as ceramic whiskers or fibers, into the coating structure, which can improve the coating's wear behavior and mechanical properties through a variety of mechanisms, including fiber pullout and breakage.
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