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4 March 2019 Individual material and process development in laser based additive manufacturing
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Proceedings Volume 10909, Laser 3D Manufacturing VI; 109090G (2019) https://doi.org/10.1117/12.2508241
Event: SPIE LASE, 2019, San Francisco, California, United States
Abstract
Laser based additive manufacturing is a key technology for sustainable mobility and power engineering. It has undergone a dynamic development in recent years regarding process stabilization, reliability and standardization. However, in the current state laser based additive manufacturing still requires extensive R and D work in process understanding and investigation of material properties as well as developing new materials and advance the process possibilities. To overcome restrictions of commercially available AM machines with regard to necessary powder quantity and adaptable equipment such as sensors and e.g. heating devices two individual laser process chambers (LPCs), manual and partly automated, have been established. In addition to the low powder quantities needed to produce samples for process and material development the LPCs also offer the possibility to manufacture two materials in alternating layers to combine physical properties. A manual LPC is used to produce small scale samples from lab scale adjusted WC-Co powder types to further develop the material class for AM and to deepen understanding of phase formation. WC-12Co with additives is successfully manufactured to a high density and phase formation is investigated. The manual LPC is also used to proof the concept of layered AM structures from a combination of Fe and FeAl for magnetic applications. A further developed and automated version of the manual LPC is then used to produce larger layered samples for further analysis.
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© (2019) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
T. Schubert, J. Schurr, D. Kolb, S. Ruck, M. Hofele, T. Bernthaler, H. Riegel, and G. Schneider "Individual material and process development in laser based additive manufacturing", Proc. SPIE 10909, Laser 3D Manufacturing VI, 109090G (4 March 2019); https://doi.org/10.1117/12.2508241
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