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Showing 1 to 16 of 16 for “"Build Orientation"”.
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Design for Additive Manufacturing Considering Optimization of Part Topology and Build Orientation
… that are influenced by part topology and build orientation. Reducing support structures will limit manufacturing time and cost, allowing industry to further utilize the benefits of topology optimization. Previous works addressing approaches to limit supported surface area and support …
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Multi-Objective Build Orientation and Topology Optimization for Cost and Time Minimization in Fiber Reinforced Additive Manufacturing
… mechanical performance highly dependent on fiber orientation relative to applied loads. This directional behavior can be exploited through optimization of both component geometry, via topology optimization (TO), and build orientation, via build orientation optimization (BOO), to maximize …
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The effect of the build orientation and heat treatment on the fatigue and fracture properties of a directed energy deposited nickel-based superalloy (Inconel 718)
This project focused on determining the effect of build orientation and heat treatment on the fatigue crack growth rate and fracture toughness properties of the nickel-based superalloy, Inconel 718 that has been manufactured by additive manufacturing technique, directed energy deposition (DED). …
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Fracture mechanics based fatigue and fracture toughness evaluation of SLM Ti-6Al-4V
… by Selective Laser Melting (SLM). Three build orientations are considered where a fatigue crack is grown parallel and two are grown perpendicular to the build orientation. The project then endeavours to generate a fracture mechanics based Paris equation from the fatigue crack growth rate …
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The effects of layer deposition angle and layer temperature on the orthotropic mechanical properties of 3D printed PLA parts
… tensile loading has focused on the effect of build-orientation and infill geometry. The present work focuses on the effect of layer temperature as controlled by layer printing time and cooling fan setting on the uniaxial tensile properties of 3D printed PLA for 100% and 40% linear infill …
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Fracture Toughness and Fatigue Crack Propagation Testing and Evaluation of Additive Manufactured Titanium Alloy Metals at Different Orientations by Electron Beam Melting
… These two experiments also studied the effects build orientation has on material properties by conducting the first two tests with specimens at four different orientations; 0°, 30°, 60°, and 90° relative to the XY build plane.
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Mechanical property and meso-structure assessment of Ti6Al4V parts as a function of high-speed selective laser melting practice (Additive Manufacturing)
… by the selective laser melting technique. Building material at much higher scan speeds allows for a higher rate of productivity and efficiency as more parts can be built in a shorter space of time. The aim of this project is to ensure that the integrity and mechanical behaviour of the …
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Effect of Printing Parameters on the Structure and Properties of 316l Stainless Steel
… the effect of printing parameters and the build orientation on the microstructure and high strain rate properties of 3D-printed 316L stainless steel alloy was investigated. In this study, the effect of the individual printing parameters on the boundaries as well as the spatial distribution …
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Effects of Powder Reuse on The Mechanical Properties of Electron Beam Additively Manufactured Ti-6Al-4V
… part production. Powder bed fusion systems build parts layer by layer from metal powder that is manufactured according to stringent requirements, including chemistry, sphericity and particle size distribution. To maximize process economy, there is interest in reusing powder from inside the …
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Modelling, inspection, and post-processing of layer-based additive manufacturing surfaces to maintain product quality
… to plan the smoothing process based on the build orientation and geometric complexity of the product.
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ADDITIVELY MANUFACTURED METALLIC CELLULAR STRUCTURES
… laser powder bed fusion (L-PBF). Two L-PBF build parameters, hatch angle and build orientation, were investigated and optimized to manufacture defect-free solids. The optimized build parameters were used to manufacture different cellular structures, which were investigated as sandwich core …
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Quasi-Static Tensile and Fatigue Behavior of Extrusion Additive Manufactured ULTEM 9085
… conducted following ASTM D638 on three different build orientations with default build parameters to determine the mechanical strength of FDM ULTEM 9085 with those supplied by the vendor. Next, different build parameters (e.g. contour thickness, number of contours, contour depth, raster thickness, …
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Characterizing the tensile behavior of additively manufactured Ti-6Al-4V using multiscale digital image correlation
… along these needles, or laths. The effects of build orientations (related to microstructure anisotropy), powder bed layering thicknesses (30 and 60 microns), and heat treatment, on the macro-scale properties were examined. A significant decrease in strength was observed in samples subjected to …
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Carbon-based polymer nanocomposites for 3D-printing
… a FDM machine to obtain specimens with various build orientations. The elastic modulus and dynamic storage moduli of 3D printed parts along three different build orientations were increased by the presence of GNP-M5 in the ABS matrix. At the same time, a decrease in both strength and strain at …
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High temperature fracture behaviour of laser-powder bed fusion produced nickel superalloy
… temperatures. Specimens were produced in three build orientations using an L-PBF machine, stress-relieved at 950 °C for 2 hours, air cooled, and then heat treated according to one of two schemes. The first heat treatment uses a high temperature homogenisation at 1110 °C for 2 hours followed by …