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Selected Works of Haijun Gong
Article
Analysis of Defect Generation in Ti-6Al-4V Parts Made Using Powder Bed Fusion Additive Manufacturing Processes
Additive Manufacturing (2014)
  • Haijun Gong, Georgia Southern University
  • Khalid Rafi, Nanyang Technological University, Singapore
  • Hengfeng Gu, University of Louisville
  • Thomas Starr, University of Louisville
  • Brent Stucker, University of Louisville
Link
Abstract
Ti–6Al–4V parts made using additive manufacturing processes such as selective laser melting (SLM) and electron beam melting (EBM) are subject to the inclusion of defects. This study purposely fabricated Ti–6Al–4V samples with defects by varying process parameters from the factory default settings in both SLM and EBM systems. Process parameters are classified according to their tendency to create certain types of porosity. Finally, defect characteristics are discussed with respect to defect generation mechanisms; and effective process windows for SLM and EBM system are discussed.
Keywords
  • Analysis,
  • Defect generation,
  • Ti-6Al-4V parts,
  • Powder bed fusion additive manufacturing process
Disciplines
Publication Date
October, 2014
DOI
10.1016/j.addma.2014.08.002
Citation Information
Haijun Gong, Khalid Rafi, Hengfeng Gu, Thomas Starr, et al.. "Analysis of Defect Generation in Ti-6Al-4V Parts Made Using Powder Bed Fusion Additive Manufacturing Processes" Additive Manufacturing Vol. 1-4 (2014) p. 87 - 98 ISSN: 2214-8604
Available at: http://works.bepress.com/haijun-gong/13/