XCT analysis of the influence of melt strategies on defect population in Ti–6Al–4V components manufactured by Selective Electron Beam Melting
University of Manchester · University of Sheffield
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Abstract
Selective Electron Beam Melting (SEBM) is a promising powder bed Additive Manufacturing technique for near-net-shape manufacture of high-value titanium components. However without post-manufacture HIPing the fatigue life of SEBM parts is currently dominated by the presence of porosity. In this study, the size, volume fraction, and spatial distribution of the pores in model samples have been characterised in 3D, using X-ray Computed Tomography, and correlated to the process variables. The average volume fraction of the pores (
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Authors
6- STS. Tammas-WilliamsCorresponding
University of Manchester, University of Sheffield
- HZHao Zhao
University of Manchester, University of Sheffield
- FLFabien Léonard
University of Manchester
- FDF. Derguti
University of Sheffield
- ITIain Todd
University of Sheffield
Topics & keywords
Topics
Keywords
- Materials science
- Porosity
- Selective laser melting
- Volume fraction
- Beam (structure)
- Cathode ray
- Composite material
- Fusion
UN Sustainable Development Goals
- Affordable and clean energy
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