Conveners
Material & Process Design & Engineering
- Annika Strondl (Swerim AB)
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Andreas Markström (Thermo-Calc Software AB)25/11/2019, 15:50Additive Design & EngineeringOral PresentationFinite element modelling of Additive processes requires material property data which are not always readily available, especially when using non-standard alloys. CALPHAD tools can calculate properties such as specific heat, density, enthalpy, and mobilities, which can be used as inputs to other codes. These properties are expressed as functions of composition and temperature, which is useful...Go to contribution page
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Jonas Zielinski (Digital Additive Production – RWTH Aachen)25/11/2019, 16:10Additive Design & EngineeringOral PresentationAn aerospace gimbal made of Ti64 is topologically optimized to achieve the same performance with a substantial weight reduction. The Ti64 powder is characterized and numerically studied to ensure spreadability and recyclability. Process parameters are optimized both experimentally and numerically to achieve material density of 99.5%. The distortion of the original geometry was studied...Go to contribution page
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Tom Scharlaken (VIVES University College)25/11/2019, 16:30Additive Design & EngineeringOral PresentationPractical research on the implementation of metal additive manufacturing in extrusion tooling applications has been deducted by VIVES University College and the ProPolis research group from KULeuven in Belgium. In polymer extrusion lines, molten plastic is forced through a die to define the rough shape of plastic profiles. Calibration units are positioned right behind the mould; their function...Go to contribution page
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Omid Zarei (Digital Additive Production (DAP), RWTH Aachen University)25/11/2019, 16:50Additive Design & EngineeringOral PresentationAbstract Laser Powder Bed Fusion (L-PBF) is a manufacturing technology based on layer-by-layer material additions of fused metal powder. One important characteristic of this technology is its capability to produce components with highly complex geometries. The L-PBF process requires support structures that connect the components to a substrate plate in the machine. These support structures...Go to contribution page
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Jonas Zielinski (Digital Additive Production RWTH Aachen University)25/11/2019, 17:10Recent Research TopicsOral PresentationAn important goal for the additive manufacturing community is to predict the material-dependent effective mechanical properties of a build-up specimen. In this work, we use three coupled simulations to calculate the mechanical properties of L-PBF processed IN718. In the future this approach could be used for newly designed materials to estimate the expected mechanical properties and the...Go to contribution page
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Tobias Ronneberg (Imperial College London)25/11/2019, 17:30Laser Melting, Electron Beam Melting & Direct Energy Deposition ProcessesOral PresentationThe current understanding of laser powder bed fusion process-microstructure-property relationships is inadequate to optimise the process. Microstructure-property relations in 316L stainless steel are explored in this study using heat treatment as an investigative tool. As-built material was heat treated to gradually remove microstructural features for evaluation of their influence on yield and...Go to contribution page
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James Shipley (Quintus Technologies AB)25/11/2019, 17:50Additive Design & EngineeringOral PresentationDuplex materials are commonly used on wrought form due to their high strength and excellent corrosion resistance. Attempts have been made to additively manufacture these over a number of years, often producing very ferritic microstructures. Penn State University have conducted a number of trials as part of a PhD program, using Directed Energy Deposition (DED) with a laser energy source, with...Go to contribution page