Superior Oxidation Resistance of (Al_{0.34}Cr_{0.22}Nb_{0.11}Si_{0.11}Ti_{0.22})₅₀N₅₀High-Entropy Nitride

W. J. Shen; M. H. Tsai; K. Y. Tsai; C. C. Juan; C. W. Tsai; J. W. Yeh; Y. S. Chang

doi:10.1149/2.028311jes

journal article·2013

Superior Oxidation Resistance of (Al_0.34Cr_0.22Nb_0.11Si_0.11Ti_0.22)₅₀N₅₀High-Entropy Nitride

W. J. Shen, M. H. Tsai, K. Y. Tsai, C. C. Juan, C. W. Tsai, J. W. Yeh, Y. S. Chang

Journal of The Electrochemical Society· Volume 160· Issue 11

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Source abstract

Abstract

The oxidation resistance of (Al 0.34 Cr 0.22 Nb 0.11 Si 0.11 Ti 0.22 ) 50 N 50 high-entropy nitride coating prepared by reactive magnetron sputtering was studied. The oxide layer on the coating surface was 290 nm after 50 h annealing at 900°C. The weight gain after thermal ramping to 1300°C was merely 0.015 mg cm −2 . Such oxidation resistance is superior to reported nitride coatings. Eight layers of oxides with different compositions were observed in the scale by TEM. The superior oxidation resistance is owing to the protection of the dense Al 2 O 3 layer and inner Si-rich amorphous network.

Source: openalex_inverted_index · Quality: baseline

Research context

Materials processing

OpenAlex topics: Metal and Thin Film Mechanics · Diamond and Carbon-based Materials Research · High Entropy Alloys Studies

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

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