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Iskalni niz: "ključne besede" (additive manufacturing) .

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2F-3DPrint : D2.3 Structural analysis protocol
Lucija Hanžič, Luka Šadl, Rok Bregar, Miha Hren, 2026, projektna dokumentacija (idejni projekt, izvedbeni projekt)

Ključne besede: concrete, additive manufacturing, mechanical resistance, laboratory testing, Eurocode 6, TMS 402
Objavljeno v DiRROS: 16.03.2026; Ogledov: 284; Prenosov: 0
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Tuning the rheological properties of paraffin-wax ceramic feedstocks for deposition with thermoplastic 3D printing
Ipeknaz Özden, Milan Vukšić, Matevž Dular, Aljaž Iveković, Andraž Kocjan, 2024, izvirni znanstveni članek

Povzetek: Droplet deposition with material-jetting methods such as thermoplastic 3D printing (T3DP) depends greatly on the rheological properties of the feedstocks. This study investigated the effect of particle interactions and the degree of weak flocculation on the shear thinning behaviour, the yield stress and the storage/loss moduli of paraffin-wax-based feedstocks containing 40 vol% of zirconia (3Y-TZP) micron-sized powder. Steric stabilization of the feedstocks was provided by varying the ratios of the surfactants with different chain lengths, i.e., stearic acid (2.4 nm) and Solsperse 3000® (10 nm), which in turn affected the dynamics of the droplet formation and the quality of the layers when jetting non-Newtonian, thermoplastic ceramic feedstocks. The results of the study extend the guidelines for the processing of printable feedstocks used in T3DP additive manufacturing.
Ključne besede: additive manufacturing, material jetting, colloidal processing
Objavljeno v DiRROS: 19.12.2025; Ogledov: 854; Prenosov: 307
.pdf Celotno besedilo (6,86 MB)
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Study on TIG additive manufacturing of 4043 aluminium alloy
Lixing Qiu, Yu Zhang, 2025, izvirni znanstveni članek

Ključne besede: additive manufacturing, 4043 aluminum alloy, as-deposited microstructure, mechanical properties
Objavljeno v DiRROS: 02.10.2025; Ogledov: 628; Prenosov: 332
.pdf Celotno besedilo (1,34 MB)
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Mechanical properties of 3D printed concrete : a RILEM 304‑ADC interlaboratory study – compressive strength and modulus of elasticity
Viktor Mechtcherine, Shravan Muthukrishnan, Annika Robens-Radermacher, Rob Wolfs, Jelle Versteege, Costantino Menna, Onur Ozturk, Nilufer Ozyurt, Mateja Štefančič, Lucija Hanžič, 2025, izvirni znanstveni članek

Povzetek: Traditional construction techniques, such as in-situ casting and pre-cast concrete methods, have well-established testing protocols for assessing compressive strength and modulus of elasticity, including specific procedures for sample preparation and curing. In contrast, 3D concrete printing currently lacks standardized testing protocols, potentially contributing to the inconsistent results reported in previous studies. To address this issue, RILEM TC 304-ADC initiated a comprehensive interlaboratory study on the mechanical properties of 3D printed concrete. This study involves 30 laboratories worldwide, contributing 34 sets of data, with some laboratories testing more than one mix design. The compressive strength and modulus of elasticity were determined under three distinct conditions: Default, where each laboratory printed according to their standard procedure followed by water bath curing; Deviation 1, which involved creating a cold joint by increasing the time interval between printing layers; and Deviation 2, where the standard printing process was used, but the specimens were cured under conditions different from water bath. Some tests were conducted at two different scales based on specimen size—“mortar-scale” and “concrete-scale”—to investigate the size effect on compressive strength. Since the mix design remained identical for both scales, the only variable was the specimen size. This paper reports on the findings from the interlaboratory study, followed by a detailed investigation into the influencing parameters such as extraction location, cold joints, number of interlayers, and curing conditions on the mechanical properties of the printed concrete. As this study includes results from laboratories worldwide, its contribution to the development of relevant standardized testing protocols is critical.
Ključne besede: additive manufacturing, digital fabrication, hardened concrete, compressive strength, young’s modulus
Objavljeno v DiRROS: 11.09.2025; Ogledov: 754; Prenosov: 430
.pdf Celotno besedilo (3,81 MB)
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Overview of the impacts of additive production techniques on the environment : production of continuous fibers, direct laser sintering of metals and selective laser sintering techniques
Branka Mušič, Barbara Horvat, 2025, objavljeni znanstveni prispevek na konferenci

Povzetek: Additive manufacturing (AM) has experienced significant growth in recent years, emerging as a transformative technology with broad applications across various industries. This review explores the advantages, disadvantages, and environmental impacts of AM, an important area of consideration as this technology continues to gain popularity. By analyzing existing literature, we assess the challenges associated with AM processes, particularly in comparison to traditional manufacturing methods. AM has the greatest potential to contribute to sustainable development by the production of lightweight components and complex industrial products with intricate designs. These products are made with minimal material usage. Consequently, also waste and emissions are reduced, which are significant environmental advantages. Overall, this review highlights the importance of AM as a tool for advancing sustainability in manufacturing and offers valuable insights for Continuous Fiber Fabrication, Direct Metal Laser Sintering, and Selective Laser Sintering techniques to enhance their competitive advantage while reducing their environmental impact.
Ključne besede: additive manufacturing, 3D print, continuous fiber fabrication, direct metal laser sintering, selective laser sintering, AddCircles
Objavljeno v DiRROS: 07.04.2025; Ogledov: 1010; Prenosov: 482
.pdf Celotno besedilo (376,17 KB)
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