e-journal
Effects of substrate rotation on the microstructure of metal sheet fabricated by electron beam physical vapor deposition
Abstract.
The effects of substrate rotation speed and rotation mode on the microstructure of large-sized metal
sheet fabricated by electron beam physical vapor deposition technique were investigated. Helical and
columnar microstructures were found in the deposited sheet. Both types of microstructures exhibit no
preferential crystallographic orientation. The column inclination under asymmetric vapor incidence
pattern was discussed. Integrated vapor incidence angle was found to be effective in evaluating the
column inclination.
Keywords: Physical vapor deposition (PVD), Helical microstructure, Film growth
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