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Zhang, A. (author)Bio-mediated methods, such as microbially induced carbonate precipitation (MICP) and enzyme induced carbonate precipitation (EICP), have gained considerable attention as alternatives to invasive ground improvement techniques. MICP and EICP use biogeochemical processes to drive carbonate precipitation and bind soil grains, thereby improving the...doctoral thesis 2025
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Lv, Leyang (author), Zhang, Xiangyu (author), Šavija, B. (author), Zhang, Mingzhong (author), Han, Kaihang (author), Zhang, Honghzhi (author), Pei, Chun (author), Zhu, Jihua (author), Xing, Feng (author)Self-healing concrete using encapsulated healing agent has shown great potential in enhancing concrete durability. However, the capsules are expensive to make and can lower the mechanical properties of concrete. In this study, a new type of manufactured aggregate that employs waste-derived fly ash cenosphere as a carrier of healing agent (SH...journal article 2024
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Sun, Yubo (author), Mohan, Manu K. (author), Tao, Yaxin (author), Zhang, Yi (author), Van Tittelboom, Kim (author), Ye, G. (author), De Schutter, Geert (author)To properly control the reaction kinetics and fresh properties evolution in conventional alkali-activated materials (AAMs), a conceptual design of two-stream AAMs has been proposed in this study. This is achieved by dividing the solid and liquid components in AAMs, including blast furnace slag (BFS) and electric arc furnace slag (EFS)...journal article 2024
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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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Chen, B. (author)In recent years, considerable attention has been given to the utilization of municipal solid waste incineration (MSWI) bottom ash as a mineral resource for construction materials. MSWI bottom ash is the primary residue discharged after incinerating municipal solid waste. The generation of MSWI bottom ash is increasing dramatically with the wide...doctoral thesis 2023
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Guo, Z. (author), Qiu, Jingping (author), Kirichek, Alex (author), Zhou, Hao (author), Liu, C. (author), Yang, Lei (author)The increasing amount of solid waste, e.g., waste tyres from car industry and tailings from mine operations, causes substantial environmental and societal issues. The recycled tyre polymer fibre (RTPF) reinforced cemented tailings backfill (CTB) is a kind of composite that can treat waste tyres and tailings simultaneously and realize green...journal article 2023
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Rochedy, M. (author), Klosek, V. (author), Riglet-Martial, C. (author), Onofri-Marroncle, C. (author), Drouan, D. (author), Reyes, D. (author), Bienvenu, P. (author), Roure, I. (author), Cabié, M. (author)The interactions of iodine and caesium in UO<sub>2</sub> have been investigated. For this purpose, implanted UO<sub>2</sub> samples were thermally treated (4h at 900°C or 1h at 1200°C) under controlled atmosphere (0.03% H<sub>2</sub>O/H<sub>2</sub>) and then characterized by several experimental techniques for their structural and chemical...journal article 2023
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Sun, Renjuan (author), Bu, Linglai (author), Zhang, Hongzhi (author), Guan, Yanhua (author), Ma, Chuanyi (author), Ge, Zhi (author), Šavija, B. (author)White mud is a solid waste from the papermaking industry, composed mainly of CaCO<sub>3</sub> and residual alkali metal ions (such as Na+, Mg<sup>2+</sup>). In the current study, the feasibility of using white mud as partial replacement of slag in alkali activated materials is explored. The fluidity, setting time, autogenous shrinkage,...journal article 2023
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Zhu, Jia-Ning (author), Zhu, Weijia (author), Borisov, Evgenii (author), Yao, Xiyu (author), Riemslag, A.C. (author), Goulas, Constantinos (author), Popovich, Anatoly (author), Yan, Z. (author), Tichelaar, F.D. (author), Mainali, D.P. (author), Hermans, M.J.M. (author), Popovich, V. (author)Additive manufacturing of NiTi shape memory alloys has attracted attention in recent years, due to design flexibility and feasibility to achieve four-dimensional (4D) function response. To obtain customized 4D functional responses in NiTi structures, tailorable phase transformation temperatures and stress windows as well as one-way or two-way...journal article 2023
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Lesueur, M. (author), Zhang, X. (author), Poulet, Thomas (author), Veveakis, Manolis (author)The seminal work of Gurson (J Eng Mater Technol 99:2–5, 1977) on a simplified pore structure, a single spherical pore, first provided a theoretical relationship between the yield stress and the porosity. This contribution extends the approach to determine the macroscopic yield of a porous material by taking explicitly into account its...conference paper 2023
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Mishra, V. (author), Ayas, C. (author), Langelaar, Matthijs (author)In metal Additive Manufacturing (AM), the deposited material is subjected to a series of heating and cooling cycles. The locally occurring temperature extremes and cooling rates determine solid-state phase fractions, material microstructure, texture, and ultimately the local material properties. As the shape of a part determines the local...journal article 2023
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Ribamar, G.G. (author), Escobar, J. D. (author), Kwiatkowski da Silva, A. (author), Schell, N. (author), Ávila, J. A. (author), Nishikawa, A.S. (author), Oliveira, J. P. (author), Goldenstein, H. (author)The addition of Si to steels is a well stablished method to delay cementite precipitation, allowing for carbon partitioning from martensite to retained austenite during tempering. It has been argued that carbon enrichment and stabilization of austenite leads to increased ductility and toughness. This has been the main motivation for the...journal article 2023
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Maus, Sönke (author), Bahafid, Sara (author), Hendriks, M.A.N. (author), Jacobsen, Stefan (author), Geiker, Mette Rica (author)Frost salt scaling of concrete is related to cyclic freezing and melting of a few millimeter thick deicer solution on the surface of the concrete. It is almost absent when pure water is freezing and reaches a maximum at a so-called pessimum concentration that for NaCl is around 3%. Different mechanisms have been suggested to explain this...journal article 2023
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Zhang, A. (author), Dieudonné, A.A.M. (author)Microbially induced carbonate precipitation is a promising ground improvement technique which can enhance the mechanical properties of soils through the precipitation of calcium carbonate. Experimental evidences indicate that the precipitated carbonate can display different distribution patterns. Crystals can develop at grain–grain contacts ...journal article 2023
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Sun, Yubo (author), Miranda de Lima Junior, L.C. (author), Rossi, Laura (author), Jiao, Dengwu (author), Li, Z. (author), Ye, G. (author), De Schutter, Geert (author)To better understand early stiffening of AAS pastes, distinctive microstructural features by varying the silicate modulus (Ms) have been visualized with in-situ microscopy. In addition, the activation reaction was monitored with multiple approaches, while solid and liquid phases in hydrating AAS were characterized separately. In silicate...journal article 2023
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The Development and Stability of Palladium-based Thin Films for Hydrogen-related Energy ApplicationsVerma, N. (author)Hydrogen has been contemplated as a desirable energy source of the future with enormous possibilities to create a carbon-neutral society. Since palladium (Pd) readily absorbs hydrogen even at low pressure and room temperature, Pd and its alloys are suitable for hydrogen production, purification, storage, gas sensors, and fuel cell catalyst....doctoral thesis 2022
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Chen, Y. (author), Chang, Z. (author), He, S. (author), Copuroglu, Oguzhan (author), Šavija, B. (author), Schlangen, E. (author)A good bond between the layers of 3D printed cementitious materials is a prerequisite for having high structural rigidity for the printed elements. However, the influence of printing process on an interlayer bond is still not well understood. This study investigates the influence of curing methods (i.e., air curing, plastic film covering, wet...journal article 2022
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Katuin, N. (author), Peeters, D.M.J. (author), Dransfeld, C.A. (author)Carbon fibre-reinforced polymer composites (CFRPs) outperform most structural engineering materials in specific stiffness and/or specific strength, especially in their unidirectional configuration. Unidirectional composites can be found as individual structural elements in cables or pin-loaded straps; they are however most commonly found in the...conference paper 2022
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Gomarasca, S. (author), Peeters, D.M.J. (author), Atli-Veltin, B. (author), Dransfeld, C.A. (author), Luinge, Hans (author)Finding new ways to evaluate the variability of microstructures, and its effect on macroscopic properties such as permeability and mechanical performance [1,2] is of increasing interest in the composite field. The variability of microstructural features at a three-dimensional level is not fully understood and its effect on macroscale properties...conference paper 2022
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Chi, Lin (author), Li, Wenda (author), Li, Z. (author), Wang, Zheng (author), Lu, Shuang (author), Liu, Qi (author)Alternative current impedance spectroscopy (ACIS) is a promising non-destructive testing method to monitor long-term change and assess the durability of concrete. This study investigates the influences of Ethylene Diamine Tetraacetic Acid (EDTA) on the hydration of hardening cement by ACIS. It is found that EDTA retards the early-age...journal article 2022