Thermal properties of the surface-modified Inconel 617 (표면 처리에 따른 Inconel 617 합금의 고온 특성 )

Cho, Hyun (조현); Kwang-Hyun Bang (방광현); BYEONG WOO LEE (이병우)

Thermal properties of the surface-modified Inconel 617

Journal of the Korean Crystal Growth and Crystal Technology
Abbr : J. Korean Cryst. Growth Cryst. Technol.
2009, 19(6), pp.298-304
Publisher : The Korea Association Of Crystal Growth, Inc.
Research Area : Engineering > Materials Science and Engineering

Cho, Hyun ¹, Kwang-Hyun Bang ², BYEONG WOO LEE ²

¹부산대학교
²한국해양대학교

Accredited

ABSTRACT

The effect of the surface treatments on the high temperature properties of the Inconel 617, one of the promising candidate alloys for high temperature heat-transport system, has been studied. Various surface modification methods including a rapid thermal process (RTP), a hydrothermal treatment, and a physical vapor deposition (2 μm thick TiAlN film by an arc discharge) were applied to the Inconel 617. The morphological and the structural properties of the surfacemodified Inconel 617 samples after heat treatment at 1000℃ in the air were compared to find out whether inhomogeneous formation of Cr2O3 crust at the surface region was suppressed or not. TiAlN-coated Inconel 617 showed homogeneous microstructure and the lowest wear loss compared to bare, RTP- and hydrothermally-treated Inconel 617 by suppressing the Cr2O3 crust formation.

KEYWORDS

Inconel 617, Surface modification, TiAlN thin film, Microstructure, Wear resistance

Citation status

* References for papers published after 2023 are currently being built.

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This paper was written with support from the National Research Foundation of Korea.

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