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Donkers, P.A.J. (author), Beckert, S. (author), Pel, L. (author), Stallmach, F. (author), Steiger, M. (author), Adan, O.C.G. (author)The water phases in a MgSO4·7H2O crystal during heating were studied with the help of NMR. The thermogravimetric analysis (TGA) data showed that the heating rate has a strong effect on the dehydration process. NMR experiments showed that pore water, i.e., an aqueous solution of MgSO4, was produced during dehydration. Additional NMR measurements...article 2015
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Nijland, T.G. (author), Touret, J. (author)De zilvermijnen van Kongsberg, de kobaltmijnen van Modum, de koperwerken van Røros en - nog steeds van groot economisch belang - de titaniummijn van de Jossingford in Vest-Agder zijn alom bekende voorbeelden van de rijke Noorse mijnbouwtraditie. Mineralen uit deze voorkomens zijn aanwezig in de collecties van alle grote Europese en Noord-...article 2013
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Nijland, T.G. (author), van Hees, R.P.J. (author), Dubelaar, C.W. (author), TNO Bouw en Ondergrond (author)Especially in the western part of the Netherlands, Eocene sandy limestones from Belgium have elaborately been used in the construction of many 13th – 17th century monuments. These comprise both the Lede or Balegem stone from the Lede formation and the Gobertange stone from the Brussels formation. Over the centuries, both stones suffered serious...article 2006
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Fischer, H.R. (author), Semprimoschnig, C.O.A. (author)In this work, a new method, the scanning thermal microscopy method, is applied to study the durability of polymeric materials for space applications. The method was applied to study ground-tested as well as space-retrieved materials. Space-grade silicones, high-temperature polyimides, and the well-known second-surface-mirror-material,...article 2009
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Coope, T.S. (author), Turkenburg, D.H. (author), Fischer, H.R. (author), Luterbacher, R. (author), van Bracht, H. (author), Bond, I.P. (author)Epoxy resins containing Diels-Alder (DA) furan and maleimide moieties are presented with the capability to self-heal after exposure to an external heat source. A conventional epoxy amine system has been combined with furfuryl and maleimide functional groups in a two-step process, to avoid major side-reactions, and the concentration of a thermo...article 2016
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TNO Bouw (author)Als alles volgens plan verloopt, worden met ingang van 1 januari 2003 de Europese brandklassen van kracht in het Bouwbesluit. De nieuwe richtlijnen pakken niet altijd even gunstig uit voor de toepassing van hout en houtproducten in de bouw. De harmonisatie biedt echter ook kansen voor fabrikanten die erin slagen op tijd aan de nieuwe eisen te...article 2002
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Arapov, K. (author), Rubingh, E. (author), Abbel, R.J. (author), Laven, J. (author), de With, G. (author), Friedrich, H. (author)This paper describes the gelation of highly concentrated graphene/polymer dispersions triggered by mild heating. The gel formation is only dependent on the concentration of graphene with 3.25 mg mL-1 as the minimum value for graphene network formation. The graphene gel is then utilized for the preparation of colloidally stable and highly...article 2016
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Mooi, H.G. (author), Koenis, P.T.G. (author), Huétink, J. (author), TNO Wegtransportmiddelen (author)The purpose of the research project of which this paper is a result is to gain insight in design and control parameters of aluminium extrusion by FE simulations. This is done by means of a thermal FE code based on an ALE algorithm (Dieka). A short overview is given of the material models as well as the FE methods that are used. It is shown that...article 1999
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Kool, H.D.M. (author), TNO Bouw (author)Heel wat ruiten zijn de afgelopen twee winters gebroken door vorst. Hagelunie heeft TNO Bouw de opdracht gegeven de oorzaak van deze schade te onderzoeken. Bij Venlo-warenhuizen is veel van de schade bekend, bij breedkapkassen echter nog niet. Dit neemt niet weg dat beide kassoorten voor een belangrijk deel preventief beschermd kunnen worden...article 1998
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Shaji Karapuzha, A. (author), van der Zwaag, S. (author), Groen, W.A. (author)Modern flexible and sensitive sensors based on polymer–ceramic composites employ lead zirconate titanate (PZT) granulates having the morphotropic phase boundary (MPB) composition as the piezo active ingredient, as this composition gives the best properties in fully ceramic piezoelectric sensors. In this study, the possibility of using PZT...article 2016
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- Nijland, T.G. (author), Dubelaar, C.W. (author) article 2015
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Snelders, D.J.M. (author), Valega Mackenzie, F.O. (author), Boersma, A. (author), Peeters, R.H.M. (author)Important progress has been made towards the expanding of the limits of applicability of Fiber Bragg Grating (FBG) optical sensors. The development of new inorganic coatings consisting of MFI zeolite crystals (silicalite and ZSM-5) has opened up the possibility towards the use of this technology at high temperatures and pressures. Using two...article 2016
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de Rooij, M.R. (author)This is a summary paper focused on the diagnosis of the alkali–aggregate reaction (AAR) in concrete in practice.article 2016
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Yan, J. (author), Zeng, X. (author), Ren, T. (author), van der Heide, E. (author)Emulsion lubrication is widely used in metal forming operations and has potential applications in the biomedical field, yet the emulsion lubrication mechanism is not well understood. This work explores the possibilities of three different oil-in-water (O/W) emulsions containing dibutyl octadecylphosphoramidate (DBOP), 6-octadecyl-1,3,6,2...article 2014
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Nijland, T.G. (author), Touret, J. (author)De kuststrook van de Noorse provincies Aust-Agder en Telemark, tussen Kristiansand en de Osloslenk (Afb. 2), heeft een rijke mijnbouwtraditie, waarin Nederland een rol speelt. In deel 1 van dit artikel, verschenen in nummer 3 van deze jaargang van Grondboor & Flamer is een historisch en mineralogisch overzicht gegeven van de ljzermijnbouw. In...article 2013
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van Deventer, H.C. (author), Houben, R.J. (author), Koldeweij, R.B.J. (author)A new atomization nozzle based on ink jet technology is introduced for spray drying. Application areas are the food and dairy industry, in the first instance, because in these industries the quality demands on the final powders are high with respect to heat load, powder shape, and size distribution. The ink jet nozzles can atomize fluids with a...article 2013
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Adan, O.C.G. (author), der Heijden, G.H.A.V. (author), Pel, L. (author)The moisture transport in concrete subjected to fire is one of the most important processes with respect to fire spalling. The research on fire spalling of concrete is currently lacking experimental information of the moisture transport processes. We present combined moisture content and temperature profiles of one-sided heated concrete samples...article 2012
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Woldman, M. (author), van der Heide, E. (author), Tinga, T. (author), Masen, M.A. (author)This work focuses on the relation between the properties of abrasive bodies and the wear they cause. By performing single asperity scratch tests to simulate abrasive wear, the wear process takes place in a controlled environment, allowing the properties of the abrasive body to be isolated and studied independently. The setup used is a pin-on...article 2013
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Michels, J.J. (author)This paper describes the first example of the application of a combination of the Flory-Huggins and Cahn-Hilliard theories to model and simulate microstructure evolution in solution-processed functional blend layers of organic semiconductors, as used in organic electronics devices. Specifically, the work considers phase separation of the active...article 2011
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Fan, J.T. (author), Weerheijm, J. (author), Sluys, L.J. (author)The dynamic mechanical behaviour of a soft polymer material (Clear Flex 75) was studied using a split Hopkinson pressure bar (SHPB) apparatus. Mechanical properties have been determined at moderate to high strain rates. Real time deformation and fracture were recorded using a high-speed camera. Fracture micrographs were examined to explore the...article 2015