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- W4365456109 abstract "Abstract. In the Laser Powder Bed Fusion (LPBF) process for metal components, a CAD file is sliced into layers with a thickness of 20-80 micrometers and the component is built up layer by layer. For this purpose, a metal powder layer is applied in each case and melted locally. This process is repeated until the geometry is completely established. The mechanical properties of the manufactured part are controlled by the cooling rate. It is currently not considered in the design of LPBF components, that the printed part has a varying heat flow into the surrounding powder and into the support plate depending on its slenderness. As a result of the different temperature histories, different microstructures with correspondingly different mechanical properties are formed in the untreated state (as-built). These differences must be considered in the component design. In this work, walls of various thicknesses were produced from 316L stainless-steel alloy using the LPBF process. The walls could be used to create plane-strain-compression-test specimens of various heights and orientations. The tests were performed according to Graf et al. [1] and the flow curve was calculated from the force-displacement curve while taking friction into account. Following that, tensile strength, Young’s modulus, yield strength, and yield stress were determined inversely. A clear dependence of the mechanical parameters on the degree of slimness was discovered, which was confirmed by microscopic examinations. To summarize, the plane-strain-compression-test is a quick and reliable method for determining the local variation of mechanical properties." @default.
- W4365456109 created "2023-04-15" @default.
- W4365456109 creator A5002774274 @default.
- W4365456109 date "2023-04-19" @default.
- W4365456109 modified "2023-10-18" @default.
- W4365456109 title "Application of the plane-strain-compression-test to determine the local mechanical properties of LPBF-manufactured 316l components" @default.
- W4365456109 doi "https://doi.org/10.21741/9781644902479-17" @default.
- W4365456109 hasPublicationYear "2023" @default.
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