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Cussen, Kai (author)Thermo-responsive hydrogels are a class of smart material that show increasing promise and applications in the biomedical engineering industry. This thesis investigated a thermo-responsive hydrogel for 4D printing applications. A poly(N-isopropylacrylamide) (>97%) (pNIPAM) based hydrogel was developed and the concentration of NIPAM, as well...master thesis 2024
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Boogers, Jasper (author)In Additive Manufacturing (AM), typically a trade-off exists between part quality and build time. Part orientation with respect to the print direction may significantly influence both. In this thesis, the consequences of part orientation on support volume requirements are studied. Build time, material consumption, and post-processing efforts are...master thesis 2024
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Best, Ivo (author)This masters thesis investigates the influence of various printing parameters on the shape memory effect of 3D printed objects, with a focus on fixity and recovery rates. Through a series of experimental tests, it was observed that printing temperature had minimal impact on fixity and recovery rates. However, correlations were identified between...master thesis 2024
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van den Berg, Kees (author)Steerable medical instruments are used to reach difficult locations in the body during minimally invasive surgery (MIS). Researching these instruments helps to further improve their performance and reduce their size making them even less invasive. However, developing new technology can be expensive and often complete custom test rigs are build...master thesis 2024
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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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Vermeer, L. (author)This research paper delves into the convergence of 3D printing technology within architecture and fashion, examining significant collaborations and innovative advancements in these fields. Commencing with a historical overview of notable architectural and fashion designs, the timeline serves to contextualize the subsequent case studies. These...student report 2024
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Lugtmeijer, Thomas (author)Inkjet printing is a technology that has been widely studied and implemented. The liquids that are used for inkjet printing can vary. There is the traditional ink which can be found in almost every household printer. But it is also possible to use inkjet printing to deposit drugs, proteins and nanoparticles on substrates. Inkjet printing has the...master thesis 2024
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van der Laan, Femke (author)This research explores the possibilities of combining additive manufacturing and weaving of textiles to create a novel textile-form. In recent years, additive manufacturing has revolutionized manufacturing processes by enabling the creation of complex three dimensional geometries with precision. Conversely, weaving, a traditional method of...master thesis 2024
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Dijkstra, Bas (author)This research investigates the challenges a user faces in the activation step in shape-changing products. First, previous research on the topic of 4DP is reviewed and important factors are described. Namely, activation temperature, print temperature, print speed, and layer height have a signifi cant impact on the shrinkage...master thesis 2024
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Zwart, Maarten (author)Over two million bone grafts are performed worldwide, each year. The preferred method is using autografts, but there are two important downsides. There is often insufficient tissue to harvest and the scar at the harvesting side is painfull for the patient. Therefore there exists a great need to improve synthetic grafts.<br/><br/>Traditionally,...master thesis 2024
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Shenoy, Rajath (author)The human eye is a very delicate yet highly intricate organ, and treatments such as cataract surgery call for meticulous precision. Ophthalmologists hone their skills over years of practice, which they initially acquired during their studies in medical schools. Basic skills such as globe fixation and capsulorhexis training have a very steep...master thesis 2024
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van Ginkel, H.J. (author)This thesis is about the application and characterisation of spark ablation generated nanoparticles in microelectronics. It opens in chapter 1 with a general motivation of the need for advanced materials and for nanotechnology in particular. It then describes what nanoparticles are and why they are promising materials. Some of their advantages...doctoral thesis 2024
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Mac Donald, Kevin (author)3D printing technology is a rapidly growing field in the context of footwear production, and in combination with computational design and foot scanning tools and algorithms, this allows for a shift from mass production to mass customization of footwear. This thesis considers the design of a new circular product-service system for children’s...master thesis 2024
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Presa Magriña, Guillermo (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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Isaakidou, A. (author), Ganjian, M. (author), van Hoften, R. (author), Cruz Saldivar, M. (author), Leeflang, M.A. (author), Groetsch, A. (author), Wątroba, M. (author), Schwiedrzik, J. (author), Mirzaali, Mohammad J. (author), Apachitei, I. (author), Fratila-Apachitei, E.L. (author), Zadpoor, A.A. (author)The currently available treatments for inner ear disorders often involve systemic drug administration, leading to suboptimal drug concentrations and side effects. Cochlear implants offer a potential solution by providing localized and sustained drug delivery to the cochlea. While the mechanical characterization of both the implants and their...journal article 2024
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Sekar, S.A. (author), Hunt, A. (author)Additive manufacturing of sensors and actuators together with structural materials and electronics will make it possible to fabricate innovative system designs that are overly laborious to realise with conventional methods. While printing of the structural materials and electronics are advancing fast, the additive manufacturing methods for...journal article 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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4D printed shape-shifting biomaterials for tissue engineering and regenerative medicine applicationsKalogeropoulou, Maria (author), Diaz Payno, P.J. (author), Mirzaali, Mohammad J. (author), van Osch, G.J.V.M. (author), Fratila-Apachitei, E.L. (author), Zadpoor, A.A. (author)The existing 3D printing methods exhibit certain fabrication-dependent limitations for printing curved constructs that are relevant for many tissues. Four-dimensional (4D) printing is an emerging technology that is expected to revolutionize the field of tissue engineering and regenerative medicine (TERM). 4D printing is based on 3D printing,...review 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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Pajonk, A.M. (author), Luna-Navarro, Alessandra (author), Knaack, U. (author), Blum, Ulrich (author)Additive Manufacturing with Varying Material Properties enables controlled spatial variation of material properties in 3D-printed components, facilitating custom-tailored characteristics, added functionalities and reduced assembly processes. To promote this approach in building façade applications, this paper presents a novel framework for...journal article 2024