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Schmieden, D.T. (author)
In this study, a method for the bacterial production of a nacre-mimicking composite material was developed. Nacre (mother-of-pearl) is an organic-inorganic composite found in the inner lining of many mollusk shells and in pearls. It has a brick-and-mortar structure consisting of 95% aragonite (calcium carbonate) platelets and 5% organic matrix....
doctoral thesis 2019
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Xu, Y. (author), Zhang, H. (author), Šavija, B. (author), Chaves Figueiredo, S. (author), Schlangen, H.E.J.G. (author)
A method is presented to model deformation and fracture behavior of 3D printed disordered lattice materials under uniaxial tensile load. A lattice model was used to predict crack pattern and load-displacement response of the printed lattice materials. To include the influence of typical layered structures of 3D printed materials in the...
journal article 2019
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Cuellar Lopez, J.S. (author), Smit, G. (author), Breedveld, P. (author), Zadpoor, A.A. (author), Plettenburg, D.H. (author)
In developing countries, the access of amputees to prosthetic devices is very limited. In a way to increase accessibility of prosthetic hands, we have recently developed a new approach for the design and 3D printing of non-assembly active hand prostheses using inexpensive 3D printers working on the basis of material extrusion technology. This...
journal article 2019
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Chaves Figueiredo, S. (author), Copuroglu, O. (author), Schlangen, H.E.J.G. (author)
Significant attention has been given to the development of new materials and techniques to be employed in the construction market. One of the techniques which has drawn noticeable attention is the additive manufacturing process (a.k.a. 3-dimensional printing (3D printing)). One of the approaches of this construction technique is the extrusion of...
journal article 2019
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Chaves Figueiredo, S. (author), Romero Rodriguez, C. (author), Ahmed, Zeeshan Y. (author), Bos, D. H. (author), Xu, Y. (author), Salet, Theo M. (author), Copuroglu, O. (author), Schlangen, H.E.J.G. (author), Bos, Freek P. (author)
New additive manufacturing methods for cementitious materials hold a high potential to increase automation in the construction industry. However, these methods require new materials to be developed that meet performance requirements related to specific characteristics of the manufacturing process. The appropriate characterization methods of...
journal article 2019
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Schenatoa, Luca (author), Aguilar Lopez, J.P. (author), Galtarossa, Andrea (author), Pasutoa, Alessandro (author), Bogaard, T.A. (author), Palmieri, Luca (author)
We present the design and field test of a rugged FBG sensor prototype for high-sensitivity measurement of underground water level. Pressure sensors have many fields of application, ranging from environmental monitoring to the oil and gas industry. In particular, pressure sensors can be used to monitor the stability of dikes and embankments by...
conference paper 2019
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Xu, Y. (author), Šavija, B. (author), Schlangen, H.E.J.G. (author)
Traditionally, mechanical properties of cementitious materials are designed<br/>“chemically”, namely by configuring their mix proportions. Owning to the development of 3D printing technology, “physical” tailoring the meso-structure of cementitious materials to design their mechanical properties becomes possible. In the present study,...
conference paper 2019
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Xu, Y. (author), Šavija, B. (author)
Cracking in concrete needs to be limited for esthetical and durability reasons. Currently, this is commonly done by using steel rebars in the structure or fiber reinforcement in the material. With certain fiber types and micromechanical design, it is even possible to create cement-based materials with steel like (i.e. quasi-plastic) properties –...
journal article 2019
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Yao, Yue (author), Hu, Mingming (author), Di Maio, F. (author), Cucurachi, Stefano (author)
Three-dimensional (3D) printing and geo-polymers are two environmentally oriented innovations in concrete manufacturing. The 3D printing of concrete components aims to reduce raw material consumption and waste generation. Geo-polymer is being developed to replace ordinary Portland cement and reduce the carbon footprint of the binder in the...
journal article 2019
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Zhao, Song Chuan (author), Maas, M.A.E. (author), Jansen, K.M.B. (author), van Hecke, Martin (author)
Additive manufacturing strives to combine any combination of materials into 3D functional structures and devices, ultimately opening up the possibility of 3D printed machines. It remains difficult to actuate such devices, thus limiting the scope of 3D printed machines to passive devices or necessitating the incorporation of external actuators...
journal article 2019
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Boon, C.W. (author), van Wee, G.P. (author)
Consumer 3D printing is on the rise and has the potential to significantly change the transport and logistics sector. Current literature on 3D printing and transport studies does not provide a systematic model of the impact of 3D printing on transport and related (policy relevant) areas, such as traffic safety, location decisions,...
journal article 2018
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Mirzaali Mazandarani, M. (author), Caracciolo, A. (author), Pahlavani, H. (author), Janbaz, S. (author), Vergani, L. (author), Zadpoor, A.A. (author)
Up until recently, the rational design of mechanical metamaterials has usually involved devising geometrical arrangements of micro-architectures that deliver unusual properties on the macro-scale. A less explored route to rational design is spatially distributing materials with different properties within lattice structures to achieve the...
journal article 2018
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Schmieden, D.T. (author), Basalo Vázquez, Samantha J. (author), Sangüesa, Héctor (author), van der Does, M. (author), Idema, T. (author), Meyer, A.S. (author)
Biofilms can grow on virtually any surface available, with impacts ranging from endangering the lives of patients to degrading unwanted water contaminants. Biofilm research is challenging due to the high degree of biofilm heterogeneity. A method for the production of standardized, reproducible, and patterned biofilm-inspired materials could...
journal article 2018
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Zadpoor, A.A. (author)
Additive manufacturing (AM) (=3D printing) has emerged during the last few years as a powerful technological platform for fabrication of functional parts with unique complex geometries and superior functionalities that are next to impossible to achieve using conventional manufacturing techniques. Due to their importance in industrial...
contribution to periodical 2018
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Liu, Xiuping (author), Lin, Liping (author), Wu, J. (author), Wang, W. (author), Yin, Baocai (author), Wang, C.C. (author)
Wireframe models are becoming a popular option in 3D printing. Generating sparse wireframe models using classic mesh simplification methods leads to models that require a lot of support structures in the layer-upon-layer additive process. In this paper we present a mesh simplification method that takes into account the overhang angle....
journal article 2018
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Wang, Weiming (author), Liu, Yong-Jin (author), Wu, J. (author), Tian, Shengjing (author), Wang, C.C. (author), Liu, Ligang (author), Liu, Xiuping (author)
Offsetting-based hollowing is a solid modeling operation widely used in 3D printing, which can change the model's physical properties and reduce the weight by generating voids inside a model. However, a hollowing operation can lead to additional supporting structures for fabrication in interior voids, which cannot be removed. As a consequence...
journal article 2018
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Dai, C. (author), Wang, C.C. (author), Wu, Chenming (author), Lefebre, Sylvain (author), Fang, G. (author), Liu, Yong-Jin (author)
This paper presents a new method to fabricate 3D models on a robotic printing system equipped with multi-axis motion. Materials are accumulated inside the volume along curved tool-paths so that the need of supporting structures can be tremendously reduced - if not completely abandoned - on all models. Our strategy to tackle the challenge of...
journal article 2018
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Lehner, B. (author), Schmieden, D.T. (author), Meyer, A.S. (author)
Sustainable and personally tailored materials production is an emerging challenge to society. Living organisms can produce and pattern an extraordinarily wide range of different molecules in a sustainable way. These natural systems offer an abundant source of inspiration for the development of new environmentally friendly materials production...
journal article 2017
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Van Den Brink, W. M. (author), Van Der Klift, F. (author), Bruins, R. (author), Hermans, M.J.M. (author)
Recent developments in the field of plastic additive manufacturing have seen the introduction of carbon fibres in printed products. These fibres improve the strength and stiffness of the thermoplastic based components. Two approaches are currently seen, the very short fibre embedded in the printing filament and continuous fibres, where the...
conference paper 2017
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Wang, Weiming (author), Li, Baojun (author), Qian, Sicheng (author), Liu, Yong-Jin (author), Wang, C.C. (author), Liu, Ligang (author), Yin, Baocai (author), Liu, Xiuping (author)
Recently, 3D printing has become a powerful tool for personal fabrication. However, the price of some materials is still high which limits its applications in home users. To optimize the volume of the model, while not largely affecting the strength of the objects, researchers propose algorithms to divide the model with different kinds of...
journal article 2017
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