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The connection between laser-based material processing and additive manufacturing is quite deeply rooted. In fact, the spark that started the field of additive manufacturing is the idea that two intersecting laser beams can selectively solidify a vat of resin. Ever since, laser has been accompanying the field of additive manufacturing, with its ...
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Objective: The objective of this narrative review was to summarize the current status and future perspectives of additive manufacturing (AM) technologies with a particular emphasis on manufacturing zirconia-based materials. AM technologies include vat photopolymerization, material jetting, material extrusion, selective laser sintering (SLS), and selective laser melting …
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Production of ammunition manufacturing equipment ... has produced food processing machines, ... famous mainly through production of small arms and machines ... Ammunition Case Manufacturing Equipment
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Cold spray additive manufacturing (CSAM) is a cutting-edge high-speed additive manufacturing process enabling the production of high-strength components without relying on traditional high-temperature methods. Unlike other techniques, CSAM produces oxide-free deposits and preserves the feedstock's original characteristics without adversely affecting the …
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Additive manufacturing, also known as three-dimensional (3DP) or solid freeform fabrication (SFF) or rapid prototype (RP), is a process in which 3D components, with high precision and complexity, are made by depositing materials in layer-by-layer fashion as opposed to conventional machining or forming methods [168]. Typically the ...
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In this study, an additive manufacturing process based on digital light processing was employed for a quick, flexible, and economical fabrication of resin bonded SiC grinding tools. The grinding wheel has been fabricated using laboratory manufacturing processes that utilize ultraviolet-curable resins and conventional abrasives. Also, desirable geometries and features …
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While the increased precision of metal AM in recent years reduced the needed amount of post-processing to meet dimensional tolerance, the requirements for functional …
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DOI link for Post-Processing Techniques for Metal-Based Additive Manufacturing. Post-Processing Techniques for Metal-Based Additive Manufacturing. Towards Precision Fabrication By Hao Wang, Yan Jin Lee, Yuchao Bai, Jiong Zhang. Edition 1st Edition. First Published 2023. eBook Published 4 September 2023.
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This chapter provides an overview of metal AM technologies, starting with their history, followed by the introduction to several specific metal AM methods and the …
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This paper delves into the workflow of additive manufacturing, encompassing design, modeling, slicing, , and post-processing. Various additive manufacturing technologies are explored, including material extrusion, …
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1. Introduction. Additive manufacturing (AM) has proven to be a superior candidate, when compared to traditional manufacturing processes such as subtractive and near-net-shape processes, for producing intricate and sophisticated parts with complex geometries [1], [2].AM is a transformative technique that allows layer-by-layer creation of components with complex …
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This paper delves into the workflow of additive manufacturing, encompassing design, modeling, slicing, , and post-processing. Various additive manufacturing technologies are explored ...
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Additive manufacturing processing of Alloy 718. Round fatigue bars were fabricated using an EOS M290 laser powder bed fusion additive manufacturing machine using a layer thickness of 40 µm. The contour parameter set controls the laser scan settings that trace around the outside of the component geometry layer by layer as the build progresses ...
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ASTM has formulated a set of standards that classify the range of additive manufacturing processes into 7 general categories (ISO/ASTM 52900:2015).
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The use of 3D additive manufacturing processes is suitable for processing various materials [29,30,31]. Among these, selective laser melting (SLM) stands out for its exceptional versatility, the wide range of materials …
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Additive processes involve material being added, such as in joining (e.g., welding, as in Figure 10.8, soldering, and gluing), rapid prototyping, stereolithography, 3D , and the application of composite layers of resin and fiber.Additive machining processes add material to a base object to create complex shapes. This is far less expensive than cutting an intricate product from a …
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As stated above, hardmetals are composites, consisting of the hard phase tungsten carbide and the metallic binder cobalt. Properties such as high hardness (up to 20 GPa), high bending strength (up to 5000 MPa) and high fracture toughness values (up to 20 MPa*m1/2) are only achieved if the three elements (tungsten, carbon an…See more on metal-am
Explore the use of more sustainable metal powders, combined with a greater focus on powder reuse and recycling in Additive Manufacturing.
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Many additives, processing aids, and concomitant components have always been present and have had a long precedence of acceptable use in excipients. In addition, excipients containing these additives and processing aids have been safely used in pharmaceutical products for many years (sometimes decades) without incident.
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Additive manufacturing (AM) of metals has gained massive attention due to its salient features, such as a tool-free process, near-net shape product development, less fabrication time, and no restriction on product size.
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Additive Manufacturing (AM) is a revolutionary manufacturing method that emerged in the 1980s 1 AM is the manufacturing process that can be recognized as a 3D printer or rapid prototyping, where the components are …
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Food Additives and F ood Processing Aids: T he Role, Function And Future Research Need of Industrial Food Biotechnology. Int J Med Biotechnol Genetics. 2021;8(11):7 3-82. 81.
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The HEAs studied in this work were prepared by vacuum arc melting and by laser processing. Ingots with nominal compositions of Al x CoCrFeNi (x values in molar ratios, x = 0.3, 0.5, and 0.7) alloys were prepared by arc-melting, homogenized at 1250°C, and forged at the same temperature with reduction of 50%. Energy dispersive x-ray spectroscopy (EDS) analysis …
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As metallic additive manufacturing grew in sophistication, users have requested greater control over the systems such as the ability to change the process parameters. The goal of this manuscript ...
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Additive manufacturing (AM) has seen massive growth in the medical device sector and an increase in the clearance of devices. Many challenges still exist in the design, development, and clinical use of AM-fabricated devices, notably the processing, annealing, and sterilization of resorbable polymers …
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Metal additive manufacturing (AM) processes are used to produce metal parts with greater design freedom and no material wastage from a CAD model, using powder or wire as …
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This study has found optimised processing parameters for the SLM Additive Manufacture of CrMnFeCoNi, and has used these to create a relatively large block (around 50 × 50 × 50 mm) of the material. The machining characteristics of this block first indicate that the processing has achieved good homogeneity in the material (through the analysis ...
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Additive manufacturing (AM), also referred to as 3D , is a technology that has been rapidly evolving since the late 1980s. The initial concept began with stereolithography (SL), patented as a "system for generating three-dimensional objects by creating a cross-sectional pattern of the object to be formed" [].This set the foundation for formatting data files to compute …
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Metal-based additive manufacturing (AM) enables manufacturing of metal parts with a high degree of geometric complexity and promises to significantly reduce cost, time, and energy consumption of production [1].Furthermore, AM allows for parts nearing the end of lifetime to be repaired or refurbished, obsolete parts to be replaced, and enables fabrication in remote …
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TY - BOOK. T1 - Additive Manufacturing: Multi Material Processing and Part Quality Control. AU - Pedersen, David Bue. PY - 2013. Y1 - 2013. N2 - This Ph.D dissertation,ffAdditive Manufacturing: Multi Material Processing and Part Quality Controlff, deal with Additive Manufacturing technologies which is a common name for a series of processes that are recognized by being …
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This paper elucidates the fundamental principles and categorization of additive manufacturing, commonly known as 3D technology, and explores its innovative applications in model data processing. Positioned as a pivotal facet of the "third industrial revolution", additive manufacturing places particular emphasis on constructing intricate shapes …
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Most of the articles in this collection explore the microstructure control of powder bed fusion (PBF) AM part. Kitano et al. [] develop a framework to determine the appropriate process parameter range by conducting a single-track test and thermal elastoplastic analysis in the laser powder bed fusion (L-PBF) process.Their developed framework considers defects …
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The appropriate processing control, including the well-controlled processing atmosphere, the optimized laser energy, and the moderate overlap remelting during SLM process, and the suitable material properties of Zn powder, including good wetting behavior and low oxidation tendency, combined together are main reasons for the high densification ...
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Friction stir welding and processing enabled the creation of stronger joints, novel ultrafine-grained metals, new metal matrix composites, and multifu…
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Additive manufacturing (AM) [1], commonly known as 3D , is a fabrication technology that has expanded very fast in many areas due to its many advantages, such as adaptability [2], availability, and cost-effectiveness on the process when compared to the implementation of complex traditional fabrication methods.Many industrial and technical …
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Additive Manufacturing Metrology Testbed (AMMT) by Ho Yeung on July 8, 2018. The files include the input command files, in-situ process monitoring data, and metadata. This data is the first of future planned "AMMT Process Monitoring Datasets," as part of the Metrology for Real-Time Monitoring of Additive
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This research work explored the progress of additive friction stir processing (AFSP) and hybrid MAM processes for high melting point materials i.e. steel, and titanium alloys. Based on the existing literature, it is concluded that the FSP and hybrid processes are an important tool for manufacturing and in transforming layer by layer material ...
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