TiCrN 코팅이 Inconel 617 합금의 고온안정성에 미치는 영향

조현; 박종천; 이병우; 김병익; 구진희; 김미루

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TiCrN 코팅이 Inconel 617 합금의 고온안정성에 미치는 영향

The effect of TiCrN coating on high temperature stability of Inconel 617

한국결정성장학회 (The Korea Association Of Crystal Growth, Inc.)|2011.12|한국결정성장학회지 (Journal of the Korean Crystal Growth and Crystal Technology)|제21권 제6호|pp. 235-239

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키워드

Wear resistance Inconel 617 TiCrN coating Temperature stability Thermal oxidation resistance

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초록

두 가지 조성의 TiCrN 코팅층(Ti : Cr = 20 : 80 및 5 : 95wt%)을 Inconel 617 합금 위에 증착하고, 1000oC까지의온도영역에서 TiCrN 코팅이 Inconel 617 합금의 고온안정성에 미치는 영향을 조사하였다. XRD 분석과 미세구조 관찰을 통해 표면으로의 불균일한 Cr 확산이 TiCrN 층에 의해 억제되었음을 알 수 있었다. 그 결과 Inconel 617의 열산화 저항성이현저하게 향상되었음을 확인하였다.

Abstract

TiCrN layers (Ti : Cr = 20 : 80 and 5 : 95 wt%) were deposited on Inconel 617 and the effect of TiCrN coating on the high temperature stability of Inconel 617 up to 1000oC was examined. XRD analysis and microstructural observation showed that vigorous and inhomogenous Cr diffusion to the surface was suppressed by TiCrN layer compare to the uncoated Inconel 617. This led to a distinctive enhancement in thermal oxidation resistance of Inconel 617.

참고문헌 (14)

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