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Lussenburg, K.M. (author)Additive manufacturing, or 3D printing, offers a new paradigm for the way functional products are designed, manufactured, and assembled. Its additive nature provides the ability to create complex-shaped parts, without an increase in production time or costs, which would be difficult to produce with conventional manufacturing. In addition,...doctoral thesis 2024
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van Uffelen, Doris (author)The building sector is a big contributor to environmental problems. It is responsible for the extraction of 24% of earths raw materials, it generates 40% of total waste and 40% of the total energy use comes from the built environment. The building industry focusses on production rather than lifespan, leading to materials not being separable....master thesis 2024
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van Zuuk, Art (author)Cycling, a sport with a rich history, is experiencing rapid growth in popularity (Braeckevelt, 2019). It is known for its numerous health benefits, including reducing cardiovascular risks and obesity (Oja et al., 2011).<br/><br/>Despite being perceived as a low-impact activity, research conducted by Delft University of Technology reveals that...master thesis 2024
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Leban, Tilen (author)An investigation into the application of additive manufacturing to the production of structural joints was conducted for this thesis. The main goal was to determine all necessary aspects that someone needs to consider when designing a structural part that is intended to be printed with additive manufacturing. As an example, the branched column...master thesis 2024
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Thiam, Arthur (author)Progress in Laser powder bed fusion manufacturing has led to greater use of Additive Manufacturing in combustion chambers/nozzles. This allows for the creation of more intricate and efficient solutions, but generates the need for a better understanding of how surface roughness in micro-channels used for engine cooling relates to build angle and...master thesis 2024
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Presa Magriña, Guille (author)Throughout history, human progress has been defined by the mastery of materials, transitioning from stone and bronze to the steel age. However, this progression has not only been defined by the materials utilized but has also encompassed a shift in processes, moving from the industrial to the information era. Despite the advances in fabrication...master thesis 2024
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de Grijff, Danny (author)The ever-growing demand for high-performance materials and more functional 3D printing has raised tremendous interest in advancing Multi-Material Additive Manufacturing (MMAM). Developing C-FRTP 3D printing through FDM Technology opens new scalable FRP solutions. These components possess exceptional properties such as specific strength,...master thesis 2024
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Baaij, Thomas (author)This thesis report contains two papers. The first paper is a literature study on mechanisms, smart actuated materials and controllable joints. In this paper, several smart materials are identified and it is discussed how they can be embedded in different mechanisms. From this paper, it is concluded that fast-response smart material twisting...master thesis 2024
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IJssel de Schepper, S.R. (author), Hunt, A. (author)The additive manufacturing of electroactive polymer (EAP) devices poses significant challenges due to their distinct structure and dissimilar properties of their constituent materials. It requires deposition of multiple functional materials with different properties, achieving μm-scale resolution in layer thickness, and executing incremental...journal article 2024
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de Winter, Jikke (author), Manzaneque Garcia, T. (author), Ghatkesar, M.K. (author)The emerging high-resolution 3D printing technique called two-photon polymerization (2PP) enables to print devices bottom-up rapidly, contrary to the top-down lithography-based fabrication methods. In this work, various polymer microbeams are 3D printed and their resonant characteristics are analyzed to understand the origin of damping. The...journal article 2024
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Xie, J. (author), Xu, Y. (author), Meng, Z. (author), Liang, M. (author), Wan, Z. (author), Šavija, B. (author)Auxetic cementitious cellular composites (ACCCs) exhibit desirable mechanical properties (e.g., high fracture resistance and energy dissipation), due to their unique deformation characteristics. In this study, a new type of cementitious auxetic material, referred to as peanut shaped ACCC, has been designed and subsequently architected using...journal article 2024
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Wan, Z. (author), Xu, Y. (author), He, S. (author), Schlangen, E. (author), Šavija, B. (author)This paper presents a state-of-the-art review on the application of additive manufacturing (AM) in self-healing cementitious materials. AM has been utilized in self-healing cementitious materials in three ways: (1) concrete with 3D-printed capsules/vasculatures; (2) 3D concrete printing (3DCP) with fibers or supplementary cementitious...journal article 2024
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Galán Argumedo, J.L. (author), Mahmoudiniya, M. (author), Reinton, T.E. (author), Kestens, L.A.I. (author), Hermans, M.J.M. (author), Popovich, V. (author)This study examines the interface layer between a high-strength low-alloy steel and an overlaying austenitic stainless steel as deposited through wire arc additive manufacturing in a bi-metal block. By utilizing optical and electron microscopy techniques, and accompanied by phenomenological and thermodynamic modeling, the work elucidates on...journal article 2024
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Andrade, D. G. (author), Tankova, T. (author), Zhu, C. (author), Branco, R. (author), da Silva, L. Simões (author), Rodrigues, D. M. (author)The use of 3D printed stainless steel requires a deep knowledge of its mechanical properties. This paper presents material characterisation of 316LSi austenitic stainless-steel coupons manufactured by CMT-WAAM, considering different deposition directions. The specimens were tested according to ISO 6892-1, the fractures surfaces were examined...journal article 2024
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Baqershahi, Mohammad Hassan (author), Ayas, C. (author), Ghafoori, Elyas (author)Wire arc additive manufacturing (WAAM) enables the manufacturing of efficient and lightweight structural elements in which material can be utilised wherever needed in an optimised shape, in contrast to standard prismatic profiles used in construction. However, the specific energy consumption (SEC) of WAAM is higher than that of conventional...journal article 2024
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Yu, Hao (author), Fu, Jiabo (author), Wang, Chenchong (author), Chen, Yinping (author), Wang, Lingyu (author), Fang, Haixing (author), Li, Jinguo (author), van der Zwaag, S. (author), Xu, Wei (author)To achieve an effective design of additively manufacturable Ni superalloys with decent service performance, a hybrid computational design model has been developed, where the strategy to tailor local elemental segregations was integrated within a scheme of minimizing the cracking susceptibility. More specifically, the phase boundary of primary...journal article 2024
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Luomaranta, Toni (author), Martinsuo, Miia (author), Ortt, J.R. (author)Technological innovations are becoming increasingly systemic in the complex and interconnected world. The initiation and evolution of systemic innovations take time and include numerous challenges, and the mechanisms through which systemic innovations emerge in the interaction between different technologies represent a research gap. This...journal article 2024
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Fang, G. (author), Zhang, Tianyu (author), Huang, Yuming (author), Zhang, Zhizhou (author), Masania, K. (author), Wang, C.C. (author)This work explores a spatial printing method to fabricate continuous fiber-reinforced thermoplastic composites (CFRTPCs), which can achieve exceptional mechanical performance. For models giving complex 3D stress distribution under loads, typical planar-layer based fiber placement usually fails to provide sufficient reinforcement due to their...journal article 2024
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Zillen, Eva (author), van der Windt, B. (author), Vallery, H. (author), Smit, G. (author)Background: Pneumatic actuators are widely used in applications like (medical) robots, or prostheses. Pneumatic actuators require a complex manufacturing process and are produced in standardized dimensions to reduce costs. Over the last decade 3D-printing has emerged as a cost-effective and efficient production method in medical applications....journal article 2024
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Li, Jiayu (author), Accardo, A. (author), Liu, Shutian (author)Micro/nanoscale additive manufacturing provides a powerful tool for advanced materials and structures with complex and precise features. For instance, the feature resolution of two-photon polymerization (2PP) can reach 200 nm. At this scale, materials properties can change, and the influence of the size effect cannot be ignored. Therefore, it...journal article 2024