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Tognan, A. (author), Patanè, Andrea (author), Laurenti, L. (author), Salvati, Enrico (author)Accurate fatigue assessment of material plagued by defects is of utmost importance to guarantee safety and service continuity in engineering components. This study shows how state-of-the-art semi-empirical models can be endowed with additional defect descriptors to probabilistically predict the occurrence of fatigue failures by exploiting...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
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Xiao, Y. (author)Additively manufacturing can bring opportunities and risk factors to the aerospace industry. On one hand, additive manufacturing allows the manufacturing of structures with geometries that are difficult or impossible to fabricatewith conventional machining procedures. This geometry flexibility may lead to components with a greater strength-to...doctoral thesis 2023
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Henssen, Anne (author)With growing concern over our reliance on non-renewable resources and the environmental impact of conventional manufacturing, the quest for sustainable materials and production processes has intensified. This pursuit has extended to the field of additive manufacturing, where bio-materials have emerged as promising alternatives, aiming to reduce...master thesis 2023
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Wan, Z. (author)Self-healing concrete has great potential to enhance the durability of concrete structures without significantly increasing the initial costs. Among the self-healing approaches, vascular self-healing cementitious composite is capable of supplying healing agents to the cracked region in a continuous way or multiple times. However, the use of...doctoral thesis 2023
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van Zeijl, Thomas (author)In the field of 3D printing, Multi Material Additive Manufacturing (MMAM) has gained substantial recognition, as it offers interesting new possibilities. MMAM allows the combination of diverse polymers to create products with enhanced, composite properties. However, a significant challenge emerges when chemically incompatible polymers are...master thesis 2023
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Ulyanov, Boris (author)Liquid crystalline polymers have recently attracted attention for their great tensile properties. However, their interlaminar fracture toughness is low. To solve this, toughening approaches inspired by Nature are applied, exploiting the shaping freedom of fused deposition modelling. Three approaches are studied: the matchstick approach, z...master thesis 2023
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Chaves Figueiredo, S. (author)Adding extra functionality to cementitious materials will enhance the capabilities of understanding the use of structures where they are used and at the same time increase its life span. The construction industry is one of the most important economic sectors in many countries. Therefore, efforts to improve its productivity can result in...doctoral thesis 2023
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Zhu, Jia-Ning (author)Shape memory alloys (SMAs), such as nickel-titanium (NiTi) alloys or Nitinol, possess remarkable properties, including superelasticity and shape memory effects, which are attributed to the reversible martensitic transformation. However, traditional manufacturing of NiTi SMAs is challenging due to its high ductility and reactivity, which limits...doctoral thesis 2023
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de la Cruz Gonzalez, BORJA DE LA (author)This graduation project delves into the use of Additive Manufacturing (AM) to produce spare parts through a case study of vacuum cleaners. Waste from Electrical and Electronic Equipment (WEEE), including products like vacuum cleaners, challenges the European Union’s (EU) sustainability goals. In 2020 alone, the EU collected an estimated 12.4...master thesis 2023
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Keser, Anabel (author)Catamarans are popular in the offshore sector as they combine good transverse stability and ample deck space with low wave resistance. However, their slender hull shape results in low restoring qualities in heave and pitch motions. The large motions in rough weather can often result in water impacting the underside of the deck connecting the two...master thesis 2023
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Warringa, Bob (author)Modern manufacturing operations rely on accurate, real time data for efficient operation and control of the production process. Many small and medium sized enterprises (SMEs) still operate with legacy assets, limiting their access to a clear data picture. This thesis research and its design solutions help SMEs gain real time insights into their...master thesis 2023
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Selvakumar, Ravishankaran (author)A multi-material structure combines diverse materials, allowing for precise tailoring of properties in specific regions. The integration of dissimilar materials leads to superior performance compared to single-material components. Bimetallic structures, a subset of multi-material systems, offer site-specific performance owing to the contrasting...master thesis 2023
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Teeuwen, Rianne (author)The circular potential of existing aluminium curtain wall facades is investigated in this study. The focus is primarily on reuse, refurbishment and re-manufacturing, aiming to raise the value of materials that have not yet reached the end of their service life. The increasing concern about resource depletion, damage to the ecosphere and the need...master thesis 2023
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Lansu, Mike (author)The use of multi-axis additive manufacturing has enabled the possiblity to fabricate parts using curved layer deposition. Compared to the traditional deposition using planar layers of a fixed thickness, multiaxis additive manufacturing significantly increases the number of possible fabrication sequences. With the introduction of a time component...master thesis 2023
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Perez Bustos, Kevork (author)Additive manufacturing (AM) refers to a series of techniques in which parts are created by successive deposition of layers. Among the different technologies, Wire Arc Additive Manufacturing (WAAM) employs a welding system in combination with a motion mechanism to deposit layers of molten metal. This technology possesses high deposition rates and...master thesis 2023
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Mishra, V. (author)The world has seen industrial revolutions with advancements in manufacturing technologies. The advancements in Additive Manufacturing (AM) technologies will bring another revolution sooner rather than later. Nowadays, the Wire and Arc Additive Manufacturing (WAAM) process is already used to manufacture large-scale structures such as ship...doctoral thesis 2023
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de Vries, Wytze (author)This design report discusses the embodiment design of a more efficient frying pan for gas powered stoves in commercial kitchens, to see if a potential market entry is feasible, viable and desirable. Conventional pans have a thermal efficiency of roughly 25%. This means that only 25% of the heat coming from the combusted gas is used for cooking....master thesis 2023
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Arrieta Rodriguez, Ana (author)Laser Powder Bed Fusion (LPBF) is a metal additive manufacturing process in which a three-dimensional object is obtained by selectively melting and fusing a metallic powder with a heat source, such as a laser beam, in successive thin layers. This process allows to create lightweight parts with complex geometry. However, parts created by LPBF...master thesis 2023
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van Kleinwee, Dennis (author)Qualification of the mechanical properties of Wire Arc Additive Manufacturing (WAAM) products is an essential step for a successful introduction of this process in industry. To realise this, the relationship between processing conditions, the thermal history and the resulting mechanical properties needs to be established. Hardness is an easy-to...master thesis 2023