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Through its unique characteristics, additive manufacturing yields great potential for designing fluid components with increased performance characteristics. These potentials in advanced design, functional structure, and manufacturing are not easily realized. Therefore, the present study proposes a holistic development methodology for fluid components with a specific focus on hydraulic manifolds. The methodology aims to lead the designer from the specification of the task, through a step-by-step embodied design, to a technical and economic evaluation of the optimized, first-time manufactured part. A case study applies the proposed methodology to a part of a rail-vehicle braking application. Through its application, a significant reduction in weight, size, as well as significant contributions to the company’s AM strategy can be assigned to the part. At the same time, increased direct manufacturing costs are identified. Based on the increased performance characteristics of the resulting design and the holistic foundation of the subsequent economic decisions, a satisfying efficiency can be allocated to the proposed methodology.
Nicolas Rolinck; Matthias Schmitt; Matthias Schneck; Georg Schlick; Johannes Schilp. Development Workflow for Manifolds and Fluid Components Based on Laser Powder Bed Fusion. Applied Sciences 2021, 11, 7335 .
AMA StyleNicolas Rolinck, Matthias Schmitt, Matthias Schneck, Georg Schlick, Johannes Schilp. Development Workflow for Manifolds and Fluid Components Based on Laser Powder Bed Fusion. Applied Sciences. 2021; 11 (16):7335.
Chicago/Turabian StyleNicolas Rolinck; Matthias Schmitt; Matthias Schneck; Georg Schlick; Johannes Schilp. 2021. "Development Workflow for Manifolds and Fluid Components Based on Laser Powder Bed Fusion." Applied Sciences 11, no. 16: 7335.
The carbon content of steel affects many of its essential properties, e.g., hardness and mechanical strength. In the powder bed fusion process of metals using a laser beam (PBF-LB/M), usually, pre-alloyed metal powder is solidified layer-by-layer using a laser beam to create parts. A reduction of the carbon content in steels is observed during this process. This study examines adding carbon particles to the metal powder and in situ alloying in the PBF-LB/M process as a countermeasure. Suitable carbon particles are selected and their effect on the particle size distribution and homogeneity of the mixtures is analysed. The workability in PBF-LB is then shown. This is followed by an evaluation of the resulting mechanical properties (hardness and mechanical strength) and microstructure in the as-built state and the state after heat treatment. Furthermore, potential use cases like multi-material or functionally graded parts are discussed.
Matthias Schmitt; Albin Gottwalt; Jakob Winkler; Thomas Tobie; Georg Schlick; Karsten Stahl; Ulrich Tetzlaff; Johannes Schilp; Gunther Reinhart. Carbon Particle In-Situ Alloying of the Case-Hardening Steel 16MnCr5 in Laser Powder Bed Fusion. Metals 2021, 11, 896 .
AMA StyleMatthias Schmitt, Albin Gottwalt, Jakob Winkler, Thomas Tobie, Georg Schlick, Karsten Stahl, Ulrich Tetzlaff, Johannes Schilp, Gunther Reinhart. Carbon Particle In-Situ Alloying of the Case-Hardening Steel 16MnCr5 in Laser Powder Bed Fusion. Metals. 2021; 11 (6):896.
Chicago/Turabian StyleMatthias Schmitt; Albin Gottwalt; Jakob Winkler; Thomas Tobie; Georg Schlick; Karsten Stahl; Ulrich Tetzlaff; Johannes Schilp; Gunther Reinhart. 2021. "Carbon Particle In-Situ Alloying of the Case-Hardening Steel 16MnCr5 in Laser Powder Bed Fusion." Metals 11, no. 6: 896.