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de Jong, J.D. (author)
Houtbouw heeft de toekomst. Dat is de overtuiging van Jan de Jong, projectleider ‘Hout in de bouw’ bij TNO. Maar waarom zien we dan nog zo weinig houten huizen in Nederland en wat zijn de voordelen van bouwen met hout?
article 2021
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de Jong, J.D. (author)
Terwijl de timmerindustrie in Nederland met geavanceerde machines een hoge mate van automatisering bereikt, komt werkelijke innovatie van product en productie niet echt van de grond. TNO en FSC Nederland roepen timmerfabrikanten en hun ketenpartners op om in werksessies los te komen van hoe ze altijd hebben gewerkt. Jan de Jong, projectleider...
article 2020
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Rossi, E. (author), Polder, R.B. (author), Copuroglu, O. (author), Nijland, T.G. (author), Saviuja, B. (author)
Although reinforcement corrosion is a well-known issue, which are the locations of the steel/concrete interface most sensitive to pitting corrosion is still an unclear issue. In this study, X-ray computed tomography is used to characterize eight 20-years-old reinforced concrete cores naturally deteriorated due to chloride-induced corrosion. The...
article 2020
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Nijland, T.G. (author)
article 2020
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Nijland, T.G. (author)
article 2020
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de Jong, J.D. (author)
Het woord ‘houtbouw’ roept nostalgische beelden op. Maar anno 2020 is het dankzij Cross Laminated Timber (CLT) en robotisering mogelijk om verrassend snel een moderne prefab-woning te bouwen die grotendeels uit recyclebaar hout bestaat. Dat sluit goed aan bij de principes van de circulaire economie. Daarbij is een snelle bouwmethode meer dan...
article 2020
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de Jong, J.D. (author)
Houtexpert Jan de Jong juicht het toe dat er meer aandacht is voor de bouw van houten huizen in Nederland. Samen met zijn TNO-collega’s en met bedrijven uit de bouwkolom zorgt hij dat kennis over en innovatie in houtbouw terecht komt op de plek waar het thuishoort, in de bouw.
article 2020
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de Jong, J.D. (author)
Wood expert Jan de Jong welcomes the fact that more attention is being paid to the construction of wooden houses in the Netherlands. Together with his TNO colleagues and with companies in the building industry's chain, he ensures that knowledge and innovation in timber construction is placed where it belongs, in the construction industry.
article 2020
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Manders, W. (author), Maljaars, J. (author), Belin, B. (author), Lukic, M. (author)
The strength and stability of aluminium structures are expected to be determined with formulas from the design standards for aluminium structures. In Europe, the latter are represented by Eurocode 9. In case structural components are made of hollow sections, widely used in the aluminium built environment, Eurocode 9 does not provide design rules...
article 2019
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Zhang, X. (author), Hoogeland, M.G. (author)
After chain making, proof load testing is used to evaluate if the chains are mechanically qualified. However, proof load testing may bring elongation in the chain links that may affect the corrosion performance of mooring chains in seawater. The influence of deformation and microorganisms on the corrosion properties of chain steel in seawater...
article 2019
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Nijland, T.G. (author), Dubelaar, C.W. (author)
article 2019
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Nijland, T.G. (author), Dubelaar, C.W. (author)
article 2018
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Gupta, D.K. (author), Barink, M. (author), Langelaar, M. (author)
Concentrated photovoltaics (CPV) has recently gained popularity due to its ability to deliver significantly more power at relatively lower absorber material costs. In CPVs, lenses and mirrors are used to concentrate illumination over a small solar cell, thereby increasing the incident light by several folds. This leads to non-uniform...
article 2018
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Gezici-Koç, Ö. (author), Erich, S.J.F. (author), Huinink, H.P. (author), van der Ven, L.G.J. (author), Adan, O.C.G. (author)
An important reason to apply coatings on wood is to protect wood against moisture. As a result of regulations and ecological concerns, there has been a shift towards waterborne coatings, which make coatings intrinsically more sensitive to water. As a consequence of the higher sensitivity to water, the durability of both wood and coatings can be...
article 2018
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van de Weijer, P. (author), Akkerman, H.B. (author), Bouten, P.C.P. (author), Panditha, P. (author), Klaassen, P.J.M. (author), Salem, A. (author)
Side leakage experiments have been performed on the organic interlayer, so-called organic coating for planarization (OCP), in a hybrid thin-film encapsulation (TFE) stack based on two silicon nitride (SiN) barrier layers that was developed for organic light-emitting diodes (OLED). To measure the side leakage into OCP, a metallic Ca thin-film...
article 2018
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Deutz, D.B. (author), Pascoe, J.A. (author), Schelen, B. (author), van der Zwaag, S. (author), de Leeuw, D.M. (author), Groen, P. (author)
Piezoelectric energy harvesters are at the front of scientific research as enablers of renewable, sustainable energy for autonomous wireless sensor networks. Crucial for this disruptive technology is the achievable output power. Here we show, analytically, that the maximum output energy per unit volume, under a single sinusoidal excitation, is...
article 2018
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Slot, H.M. (author), IJzerman, R.M. (author), le Feber, M. (author), Nord-Varhaug, K. (author), van der Heide, E. (author)
Offshore wind turbine rotor diameters still increase. Blade tip velocities are up to 110 m/s, giving rise to more severe raindrop impact conditions and related erosion of the wind turbine blades. In the current work droplet impingement erosion tests were performed for injection moulded and compression moulded polybutylene terephthalate PBT. The...
article 2018
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Rikken, M. (author), Pijpers, R.J.M. (author), Slot, H.M. (author), Maljaars, J. (author)
This study examines residual stresses in bead-on-plate welded specimens in transverse direction over the thickness of the plate, using a combination of experimental and numerical procedures. Dilatometer and tensile tests were used to determine the phase transition temperatures with associated volumetric strains and the stressstrain relationships...
article 2018
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van Deelen, J. (author), Tezsevin, Y. (author), Barink, M. (author)
Most research of texturization of solar cells has been devoted to Si based cells. For perovskites, it was assumed that texturization would not have much of an impact because of the relatively low refractive indexes lead to relatively low reflection as compared to the Si based cells. However, our optical modeling shows that a significant gain in...
article 2017
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Mann, D. (author), Voogt, S. (author), Keul, H. (author), Möller, M. (author), Verheijen, M. (author), Buskens, P. (author)
Janus particles are of great research interest because of their reduced symmetry, which provides them with unique physical and chemical properties. Such particles can be prepared from spherical structures through colloidal assembly. Whilst colloidal assembly has the potential to be a low cost and scalable process, it typically lacks selectivity....
article 2017
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