A Study of NiCo_{0.6}Fe_{0.2}Cr_{x}SiAlTi_{y}High-Entropy Alloys for Applications as a High-Temperature Protective Coating and a Bond Coat in Thermal Barrier Coating Systems

Wei-Lin Hsu; Hideyuki Murakami; Hiroshi Araki; Makoto Watanabe; Seiji Kuroda; An-Chou Yeh; Jien-Wei Yeh

doi:10.1149/2.1191809jes

journal article·2018

A Study of NiCo_0.6Fe_0.2Cr_xSiAlTi_yHigh-Entropy Alloys for Applications as a High-Temperature Protective Coating and a Bond Coat in Thermal Barrier Coating Systems

Wei-Lin Hsu, Hideyuki Murakami, Hiroshi Araki, Makoto Watanabe, Seiji Kuroda, An-Chou Yeh, Jien-Wei Yeh

Journal of The Electrochemical Society· Volume 165· Issue 9

Publisher page

Source abstract

Abstract

Atmospheric plasma spraying, high-velocity oxy-fuel spraying and warm spraying processes were used to prepare NiCo 0.6 Fe 0.2 Cr 1.5 SiAlTi 0.2 and NiCo 0.6 Fe 0.2 Cr 1.3 SiAl high-entropy alloy coatings for the investigation of their high temperature properties. The best-performer, the warm-sprayed high-entropy alloy coating was then applied to a thermal barrier coating system as a bond coat over an Incoloy 800H substrate. Experimental results show that the investigated high-entropy alloy coatings have high hardness, excellent wear resistance and good oxidation resistance at 1100°C that makes them promising overlay coatings for elevated temperature applications.

Source: openalex_inverted_index · Quality: baseline

Research context

Metals & alloys

OpenAlex topics: High-Temperature Coating Behaviors · High Entropy Alloys Studies · Advanced materials and composites

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

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