Deposition uniformity of 7 wt% YSZ as a thermal barrier coating with different configurational arrangement for turbine blade shape mock-up by electron beam physical vapor deposition (터빈블레이드 형상 mock-up의 기하학적 배치조건에 따른 전자빔 물리기상증착법으로 제조된 7 wt% YSZ 열차폐 코팅의 코팅 균일성)

Oh Yoon Suk (오윤석); Jung-Min Chae (채정림); Ho-lim Ryu (류호림); Yoonsoo Han (한윤수); Jong-Kee Ahn (안종기); Myung-Sook Son (손명숙); Hong-Kyu Kim (김홍규)

doi:10.6111/JKCGCT.2019.29.6.308

Deposition uniformity of 7 wt% YSZ as a thermal barrier coating with different configurational arrangement for turbine blade shape mock-up by electron beam physical vapor deposition

Journal of the Korean Crystal Growth and Crystal Technology
Abbr : J. Korean Cryst. Growth Cryst. Technol.
2019, 29(6), pp.308-316
DOI : 10.6111/JKCGCT.2019.29.6.308
Publisher : The Korea Association Of Crystal Growth, Inc.
Research Area : Engineering > Materials Science and Engineering
Received : November 18, 2019
Accepted : December 6, 2019
Published : December 31, 2019

Oh Yoon Suk ¹, Jung-Min Chae ¹, Ho-lim Ryu ¹, Yoonsoo Han ¹, Jong-Kee Ahn ², Myung-Sook Son ², Hong-Kyu Kim ³

¹한국세라믹기술원
²한화에어로스페이스 항공우주연구소 가스터빈개발팀
³국방과학연구소

Accredited

ABSTRACT

Electron beam physical vapor deposition (EBPVD) is a conventional method to fabricate thermal barrier coating(TBC) of high temperature airfoil engine parts, such as blade etc. for its high temperature structural stability from thenature of columnar growth behavior. For the high quality of TBC by EBPVD, the structural factors, such as growth behavior,thickness uniformity and so on, should be managed to obtain the coating which satisfied the required specifications ofusable level of mechanical and thermal properties. In this study, the growth behavior and structure variations of 7YSZ(7 wt% yttria stabilized zirconia) coatings with different configurational deposition parameters for the specimens which haveturbine blade shape mock-up were investigated. Growth behavior of coatings were studied by comparing computationalmodeling of evaporation behavior with actual deposition process using e-beam source

KEYWORDS

Thermal barrier coatings, YSZ, EBPVD, Growth behavior, Configurational arrangement

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Journal of the Korean Crystal Growth and Crystal Technology 2023 KCI Impact Factor : 0.19

Deposition uniformity of 7 wt% YSZ as a thermal barrier coating with different configurational arrangement for turbine blade shape mock-up by electron beam physical vapor deposition

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

Journal of the Korean Crystal Growth and Crystal Technology 2023 KCI Impact Factor : 0.19

Deposition uniformity of 7 wt% YSZ as a thermal barrier coating with different configurational arrangement for turbine blade shape mock-up by electron beam physical vapor deposition

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