Search Results - "SAHLEN, F."

A micro‐CT investigation of densification in pressboard due to compression by Afshar, R., Stjärnesund, J., Gamstedt, E. K., Girlanda, O., Sahlén, F., Tjahjanto, D.

“…As a non‐destructive inspection method, micro‐computed tomography has been employed for determining local properties of a cellulose‐based product, specifically…”
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A micro-computed tomography investigation of the breakdown paths in mica/epoxy machine insulation by Saxén, Carl, Gamstedt, E. Kristofer, Afshar, Reza, Paulsson, Göran, Sahlén, Fredrik

“…X-ray computed tomography is a technology capable of visualizing a wide variety of materials in 3D. In this investigation, insulation samples were electrically…”
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Thermal reversibility of ordered, photocrosslinked liquid crystalline poly(vinyl ether)s by Sahlén, F., Andersson, H., Hult, A., Gedde, U.W., Ania, F.

“…Anisotropic networks were prepared by photoinitiated cationic bulk polymerization of aligned liquid crystalline mixtures of mono- and bifunctional vinyl…”
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Second-harmonic generation in a novel crosslinked pyroelectric liquid crystal polymer (PLCP) by HERMANN, D. S., RUDQUIST, P., LAGERWALL, S. T., KOMITOV, L., STEBLER, B., LINDGREN, M., TROLLSAS, M., SAHLEN, F., HULT, A., GEDDE, U. W., ORRENIUS, C., NORIN, T.

“…We report second-harmonic generation in samples with a pyroelectric liquid crystal polymer (PLCP) prepared from the ferroelectric liquid crystalline acrylate…”
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Dielectric relaxation of liquid crystalline polymers used in non-linear optical materials by KRUPICKA, A, ABERG, J, TROLLSAS, M, SAHLEN, F, HULT, A, GEDDE, U. W, BOYD, R. H

“…Dielectric permittivity and loss have been measured over the frequency range 0.1-1000 Hz between 80 K and 300 K for side-chain and network liquid crystal…”
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The influence of chiral strength on the spontaneous polarization and the second-order nonlinear optical susceptibility in ferroelectric liquid crystals by Hermann, D. S., Hult, A., Komitov, L., Lagerwall, S. T., Sahlén, F., Trollsås, M.

“…The influence on the spontaneous polarization and the second-order nonlinear optical susceptibility of the mole fraction of the chiral component in binary…”
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Synthesis and Characterization of Bifunctional Liquid-Crystalline Monomers Showing Smectic C Phase. Photopolymerization and Cross-Linking by Sahlén, F, Trollsås, M, Hult, A, Gedde, U. W

“…Novel syntheses of bifunctional liquid-crystalline acrylate and methacrylate monomers are described. Thermal and microstructural characterization of the…”
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Humidity effects on dielectric strength of air-gaps for indoor HV installations by Ming, L., Sahlen, F., Wu, G., Asplund, G., Jacobson, B.

“…For indoor HV installations, the electrode configurations of air-gaps are different from outdoor HV apparatus and the fields are usually optimized. The…”
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Ageing behaviour and temperature rise in end corona protection layer for high voltage machines subjected to converter-like voltages by Paulsson, G., Sahlen, F., Martensson, E., Holmgren, B., Virtanen, J.

“…The concern of energy consumption regarding the usage of rotating electrical machines, has in recent years made a major impact on the market for converter…”
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Preparation of a Novel Cross-Linked Polymer for Second-Order Nonlinear Optics by Trollsås, Mikael, Orrenius, Christian, Sahlén, Fredrik, Gedde, Ulf W, Norin, Torbjörn, Hult, Anders, Hermann, David, Rudquist, Per, Komitov, Lachezar, Lagerwall, Sven T, Lindström, Jan

“…A novel cross-linked pyroelectric polymer with pronounced second-order nonlinear optical properties has been prepared. A multistep synthesis with several…”
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Novel Thermally Stable Polymer Materials for Second-Order Nonlinear Optics by Trollsås, Mikael, Sahlén, Fredrik, Gedde, Ulf W, Hult, Anders, Hermann, David, Rudquist, Per, Komitov, Lachezar, Lagerwall, Sven T, Stebler, Bengt, Lindström, Jan, Rydlund, Olof

“…A novel method of preparing thermally stable thin films with intrinsic second-order nonlinear optical activity is described. Design and synthesis yielded new…”
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Smectic A organisation in copolymers of i-butyl vinyl ether and 11-[(4'-cyano-4-biphenyl)oxy]undecanyl vinyl ether as assessed by X-ray scattering by SAHLEN, F, PETERSON, M.-C, PERCEC, V, HULT, A, GEDDE, U. W

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Repetitive fast voltage stresses-causes and effects by Bengtsson, T., Dijkhuizen, F., Ming, L., Sahlen, F., Liljestrand, L., Bormann, D., Papazyan, R., Dahlgren, M.

“…In this article, we have seen how high-frequency system resonances, triggered by power electronic devices, may enhance both electrical and thermal stress on an…”
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Analysis of the micromechanical deformation in pressboard performed by X-ray microtomography by Girlanda, Orlando, Sahlen, Fredrik, Joffre, Thomas, Gamstedt, E. Kristofer, Schmidt, Lars E., Forsberg, Fredrik, Sjodahl, Mikael

“…A large number of electrical insulation components are produced in paper-based materials. Paper combines good insulating properties with the necessary…”
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Influence of molecular tilt angle on the SHG response of pyroelectric liquid crystal polymers by Örtegren, Jonas, Busson, Philippe, Lindgren, Mikael, Hermann, David S., Arntzen, Per-Otto, Sahlen, Fredrik, Trollsås, Mikael, Gedde, Ulf W., Hult, Anders, Komitov, Lechezar, Lagerwall, Sven T., Rudquist, Per, Stebler, Bengt

“…Second harmonic generation in novel pyroelectric liquid crystal polymers (PLCP) made from a series binary mixtures, was studied using 1100 nm as the…”
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Impacts of high-frequency voltage on cable-terminations with resistive stressgrading by Li Ming, Sahlen, F., Halen, S., Brosig, G., Palmqvist, L.

“…Behaviors of insulation system are strongly affected by frequency of the system voltages. In addition to power-frequency voltage, the insulation system could…”
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