Influence of the Number of Electron Beam Passes on Surface Roughness Evolution of TitaniumPages 464-469
Zivana Jovanovic Pesic Abstract:
This study systematically examines the influence of the number of electron beam passes on the surface roughness of titanium samples processed at a constant beam current of 0.8 mA. The primary objective was to determine how repeated beam exposure affects the evolution of surface topography under controlled processing conditions. To achieve this, surface roughness measurements were performed after applying 2, 4, 8, and 16 beam passes, enabling a comparative analysis of progressive surface modification. The experimental results reveal a clear trend: increasing the number of electron beam passes results in a gradual and consistent increase in surface roughness. This behavior may be attributed to cumulative thermal effects, localized melting, and material redistribution occurring during repeated beam interaction with the titanium surface. Overall, the findings contribute to a better understanding of the relationship between processing parameters and surface morphology evolution. Such insights are essential for optimizing electron beam processing strategies and tailoring surface characteristics to meet the functional requirements of titanium components in advanced engineering applications.
Keywords: Titanium,
Electron beam processing,
Surface roughness,
Surface modification,
Biomedical implants
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