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Manufacturing of Titanium Components with 3DPMD

Chemnitz University of Technology—Chair of Welding Engineering, Chemnitz D-09126, Germany
Author to whom correspondence should be addressed.
Metals 2019, 9(5), 562;
Received: 11 April 2019 / Revised: 6 May 2019 / Accepted: 10 May 2019 / Published: 14 May 2019
(This article belongs to the Special Issue Arc-based Additive Manufacturing)
PDF [6013 KB, uploaded 14 May 2019]


Within this work, the 3D plasma metal deposition (3DPMD) process is introduced as an additive manufacturing process for titanium components. For this purpose, demonstrators were designed, manufactured and subsequently analyzed. Process-structure-property relationships are discussed. By analyzing the microstructure, the chemical composition and the mechanical-technological properties, it is shown that the production of titanium parts with 3DPMD is possible. The micro tensile tests showed that a load parallel to the build direction is the most critical case for the component. Furthermore, a brittle material behavior could be determined due to enhanced oxygen content in the component. By subsequent heat treatment, the brittle failure behavior could be increased to a fracture elongation of 4.6%. In sum, the 3DPMD process has the potential to manufacture near-net-shape titanium parts out of metal powders. Critical issues are the protection of the weldment and the lack of ductility of the titanium component. View Full-Text
Keywords: 3DPMD; additive manufacturing; titanium; powder deposition; plasma transferred arc 3DPMD; additive manufacturing; titanium; powder deposition; plasma transferred arc

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Hoefer, K.; Nitsche, A.; Haelsig, A.; Mayr, P. Manufacturing of Titanium Components with 3DPMD. Metals 2019, 9, 562.

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