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Evaluating the cost competitiveness of metal additive manufacturing – A case study with metal material extrusion [PDF]
CIRP Journal of Manufacturing Science and Technology, 2023 Metal additive manufacturing (MAM) is a rapidly advancing manufacturing process with the potential to replace or supplement existing conventional manufacturing processes.
Mathias Sæterbø
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Steady melting in material extrusion additive manufacturing
Rapid Prototyping Journal, 2023Purpose A main cause of defects within material extrusion (MatEx) additive manufacturing is the nonisothermal condition in the hot end, which causes inconsistent extrusion and polymer welding. This paper aims to validate a custom hot end design intended to heat the thermoplastic to form a melt prior to the nozzle and to reduce variability in melt ...
Austin R. Colon +3 more
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Polymers, 2021 In this paper, we study the capabilities of two additive manufacturing technologies for the production of lattice structures, namely material extrusion and vat photopolymerization additive manufacturing.
Rafael Guerra Silva +2 more
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Material Extrusion Based Ceramic Additive Manufacturing
2020Abstract This article is a review of the material extrusion-based ceramic additive manufacturing (MECAM) processes. The discussion begins with details of extrusion with filament and paste, covering the most popular variants of paste extrusion-based MECAM techniques that can be differentiated based on paste type and the method of shape ...
Wenbin Li, Ming C. Leu
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Additive manufacturing - Material extrusion based additive manufacturing of plastic materials
2020+7 more sources
Prediction of interlayer strength in material extrusion additive manufacturing
Additive Manufacturing, 2020Abstract The interlayer strengths of parts produced through material extrusion (also referred to as fused filament fabrication or FFF) suffer due to poor interlayer contact and insufficient diffusion. A model for predicting interlayer contact, based on pressure-driven flow, is combined with a model for polymer chain diffusion to predict the ...
Timothy J Coogan, David O Kazmer
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Material Flow Rate Estimation in Material Extrusion Additive Manufacturing
NCSL International measure, 2021The additive manufacturing of products promises exciting possibilities. Measurement methodologies, which measure an in-process dataset of these products and interpret the results, are essential. However, before developing such a level of quality assurance several in-process measurands must be realized. One of these is the material flow rate, or rate of
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Material Extrusion Additive Manufacturing Systems
2020Abstract Material extrusion systems are the most common types of additive manufacturing systems, also known as three-dimensional (3D) printers. This article focuses on the general 3D printing processes as can be demonstrated and manipulated in desktop printers.
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Principles of material extrusion in metal additive manufacturing
This study aims to examine the potential effects of additive manufacturing (AM) technology on the principles of metal material extrusion. Additive manufacturing, also known as 3D printing, is an advanced manufacturing method that enables the production of three-dimensional objects by combining materials layer by layer. Compared to traditional extrusionErtuğrul, İshak, Ülkir, Osman
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Additive Manufacturing, 2014
In this paper, a two-step homogenization method is proposed and implemented for evaluating effective mechanical properties of lattice structured material fabricated by the material extrusion additive manufacturing process. In order to consider the characteristics of the additive manufacturing process in estimation procedures, the levels of scale for ...
Sang-In Park +3 more
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In this paper, a two-step homogenization method is proposed and implemented for evaluating effective mechanical properties of lattice structured material fabricated by the material extrusion additive manufacturing process. In order to consider the characteristics of the additive manufacturing process in estimation procedures, the levels of scale for ...
Sang-In Park +3 more
openaire +1 more source