Deposition Behavior of YSZ Nano-Coating Layer by EB-PVD

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This paper presents the work on the development of ceramic coating processing. Nano-structured zirconia coating has been developed with functions; substrate temperature and oxygen gas change in chamber by electron beam physical vapor deposition (EB-PVD). The microstructure of the coating layer has been characterized with FE-SEM, and SEM. The crystalline phase of the coating layer has been also characterized with XRD. The zirconia coating by EB-PVD had not monoclinic zirconia phase as shown in XRD pattern and Raman spectra and the thickness of coating were quite homogeneous. The fracture microstructure of the coating layer for a thickness of ~15 μm showed columnar or non-columnar structure and had nano-structure with nano scaled grain as shown in micrograph by FE-SEM.

Info:

Periodical:

Key Engineering Materials (Volumes 317-318)

Edited by:

T. Ohji, T. Sekino and K. Niihara

Pages:

505-508

DOI:

10.4028/www.scientific.net/KEM.317-318.505

Citation:

T. H. Shin et al., "Deposition Behavior of YSZ Nano-Coating Layer by EB-PVD", Key Engineering Materials, Vols. 317-318, pp. 505-508, 2006

Online since:

August 2006

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Price:

$35.00

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