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Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 47 for “"Additive Manufacturing Process"”.
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Modeling Robotic Wire Arc Additive Manufacturing Process Using Machine Learning
WAAM is a promising additive manufacturing process that makes use of current technologies and materials that are widespread and much more easily accessible compared to other metal AM processes. However, a significant challenge with current WAAM processes is the high surface roughness and variance …
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Development of a novel toner for electrophotography based additive manufacturing process.
… (SLP) has been coined by the author for this new process. This thesis provides the feasibility of developing experimental toner using thermoplastic toner using both mono and dual component print engines.
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Adaptive Slicing in Additive Manufacturing Process using a Modified Boundary Octree Data Structure
<p>In an Additive Manufacturing (AM) process, the layer-by-layer fabrication of a part leads to a staircase effect affecting its final quality. Parts manufactured using AM process may not satisfy the specified tolerance requirements due to this staircase effect. An improved surface quality …
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Development of a Acrylonitrile Butadiene Styrene toner for an electrophotography based additive manufacturing process
Research in to utilising electrophotography for Additive Manufacturing has been under investigation for over a decade. However, the research has been primarily focused on resolving the height limitations caused by charge accumulation and also the development of toners from tough engineering …
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Build strategy investigation of TI-6AL-4V produced via a hybrid additive manufacturing process
… nickel alloys, and aluminum alloys. However, LMD processed parts usually do not meet end-use requirements without post treatments. In-process part quality inspection and inner features machining are impossible within a single LMD process. Hybrid additive manufacturing (HAM), which integrates …
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An Experimental Investigation into the Dimensional Quality of the Material Extrusion Additive Manufacturing Process
Material Extrusion Additive Manufacturing (ME AM) also known as fused deposition modelling is a popular manufacturing process. It is seen as an attractive alternative to many conventional manufacturing techniques due to its cost effectiveness, ease of adoption, and the ability to produce complex …
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Investigation of Traditional and Alternate Living Hinge Designs for Fused Deposition Modeling Additive Manufacturing Process
… the application of living hinge designs in the additive manufacturing process of fused deposition modeling. Initial research included comparing numerical and analytical linear analyses on a traditional living hinge design. The second research consisted of tensile testing for the material …
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MANUFACTURE OF INDIVIDUALIZED DOSING: DEVELOPMENT AND CONTROL OF A DROPWISE ADDITIVE MANUFACTURING PROCESS FOR MELT BASED PHARMACEUTICAL PRODUCTS
… have created the need to develop more innovative manufacturing methods for the delivery of individualized dosing and personalized treatments. In recent years, the US Food and Drug Administration (FDA) introduced the Quality by Design (QbD) and Process Analytical Technology (PAT) guidelines to …
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Performance of Aluminium Lattice Structures: Interplay Between Additive Manufacturing Process, Heat Treatment Strategies, and Microstructural Control, for Room and High Temperature Applications
L'abstract è presente nell'allegato / the abstract is in the attachment
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Phononic materials as ultrasonic filters in nondestructive evaluation measurements
… of the phononic material. The influence of the additive manufacturing process on the frequency transmission of phononic material is modeled to explain discrepancies between simulation and experiments. An analytical model of second harmonic generation in phononic filters is presented, and …
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Additively Manufactured Metallic Cellular Materials for Blast and Impact Mitigation
Selective laser melting (SLM) is an additive manufacturing process which enables the creation of intricate components from high performance alloys. This facilitates the design and fabrication of new cellular materials for blast and impact mitigation, where the performance is heavily influenced by …
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Improvement of Labyrinth Seal Leakage Rates Using Additive Manufacturing
<p>The growing popularity of additive manufacturing in commercial applications has al- lowed for new ideas and new ways of thinking when designing components. Further optimization at the component level is possible, though powder metallurgy is in its infancy. This study explores the possibility of …
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Mechanical and Physical Properties in Additive Friction Stir Deposited Aluminum
… is to aid the development of large-scale additive manufacturing of jointless underbody hulls for the Army Ground Vehicle Systems by 1) generating an improved mechanical and metallurgical database and 2) understanding the Additive Friction Stir Deposition (AFSD) process. AFSD is a …
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Design and Testing of a Top Mask Projection Ceramic Stereolithography System for Ceramic Part Manufacturing
<p>Ceramic manufacturing is an expensive process with long lead times between</p> <p>the initial design and final manufactured part. This limits the use of ceramic as a viable material unless there is a large project budget or high production volume associated with the part. Ceramic …
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Ensemble Modelling of in situ Feature Variables for Printed Electronics Manufacturing with in situ Process Control Potential
… Jet® Printing (AJP) is a direct-write based additive manufacturing process that is capable of printing electronics with fine features and various materials. It eliminates the complex masking process in traditional semiconductor manufacturing, thus enables flexible electronics design and …
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Numerical Analysis of the Melt Pool Kinetics in Selective Laser Melting Based Additive Manufacturing of M g2Si Thermoelectric Powders
… development. Selective Laser Melting (SLM) based additive manufacturing process is a scalable and flexible method that has shown promising results in manufacturing high ZT Bi2T e3 material and is possible to be extended to other material classes such as M g2Si. The physical phenomena of melting …
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Evaluation of Electrochemical and Laser Polishing of Selectively LaserMelted 316L Stainless Steel
… has shown incredible growth as a metallic additive manufacturing process in recent years. While it does provide many solutions and new ways to approach challenges, it does not come without issues of its own, namely, surface roughness. In the as-printed state, the surface roughness of …
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Optical In-Process Monitoring Tools for Laser Powder Bed Fusion: Verifying Powder Area Coverage of a Layer Setup
Additive manufacturing (AM) allows for the creation of complex geometries that cannot be created with traditional manufacturing methods and is widely used in many industries. With any additive manufacturing process, achieving a successful Flayer is critical to the quality of the final part. …
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Testbeds for quality and porosity control in metal additive manufacturing by selective laser melting
Selective laser melting (SLM) is a metal additive manufacturing process that can achieve high local density and near-net shape geometric accuracy. The dynamics of the meltpool and stability of the melt track upon cooling are critical to the microstructure, porosity, and final properties of the …
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Optimal design and freeform extrusion fabrication of functionally gradient smart parts
"An extrusion-based additive manufacturing process, called the Ceramic On-Demand Extrusion (CODE) process, for producing three-dimensional ceramic components with near theoretical density was developed. In this process, an aqueous paste of ceramic particles with a very low binder content (<1 vol%) …
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