Journal articles
H. Daiyan, E. Andreassen, F. Grytten, H. Osnes, R.H. Gaarder, Shear testing of polypropylene materials analysed by digital image correlation and numerical simulations,
Experimental Mechanics, 2012, doi:10.1007/s11340-012-9591-7
F. Männle, T.R. Tofteberg, M. Skaugen, H.T. Bu, T. Peters, P.D.C. Dietzel, M. Pilz, Polymer nanocomposite coatings based on polyhedral oligosilsesquioxanes: route for industrial manufacturing and barrier properties,
Journal of Nanoparticle Research, 13, 4691 (2011)
L.T. Truong, Å. Larsen, B. Holme, F.K. Hansen, J. Roots, Morphology of syndiotactic polypropylene/alumina nanocomposites,
Polymer, 52, 1116 (2011)
H. Daiyan, E. Andreassen, F. Grytten, O. V. Lyngstad, T. Luksepp, H. Osnes, Low-velocity impact response of injection-moulded polypropylene plates - Part 2: Effects of moulding conditions, striker geometry, clamping, surface texture, weld line and paint,
Polymer Testing, 29, 894 (2010)
H. Daiyan, E. Andreassen, F. Grytten, O. V. Lyngstad, T. Luksepp, H. Osnes, Low-velocity impact response of injection-moulded polypropylene plates - Part 1: Effects of plate thickness, impact velocity and temperature,
Polymer Testing, 29, 648 (2010)
L.T. Truong, Å. Larsen, B. Holme, S. Diplas, F.K. Hansen, J. Roots, S. Jørgensen, Dispersibility of silane-functionalized alumina nanoparticles in syndiotactic polypropylene,
Surface and Interface Analysis, 42, 1046 (2010)
T.R. Tofteberg, H. Amedro, F. Grytten, E. Andreassen, Effects of injection molding holding pressure on the replication of surface microfeatures,
International Polymer Processing, 25, 236 (2010)
T. Tofteberg, E. Andreassen, Multiscale simulation of injection molding of parts with low aspect ratio microfeatures,
International Polymer Processing, 25, 63 (2010)
T. Tofteberg, M. Skolimowski, E. Andreassen, O. Geschke, A novel passive micromixer – lamination in a planar channel system,
Microfluidics and Nanofluidics, 8, 209 (2010)
P. Brachet, E. L. Hinrichsen, Å. Larsen, L. K. Bjørndal, F. Brendryen, T. Lia, The problem of die drool in extrusion of recycled polyethylene,
Progress in Rubber, Plastics and Recycling Technology, 25, 199 (2009)
F. Grytten, H. Daiyan, M. Polanco-Loria, S. Dumoulin,
Use of digital image correlation to measure large-strain tensile properties of ductile thermoplastics,
Polymer Testing, 28, 653 (2009)
H. Moe, R. H. Gaarder, A. Olsen, O. S. Hopperstad, Resistance of aquaculture net cage materials to biting by Atlantic Cod (Gadus morhua),
Aquacultural Engineering, 40, 126 (2009)
L. Zhang, E. W. Hansen, I. Helland, E. L. Hinrichsen, Å. Larsen, J. Roots, Crystallinity in ethene−1-hexene copolymers determined by 1H and 13C NMR. A comparative study,
Macromolecules, 42, 5189 (2009)
T. Glomsaker, E. L. Hinrichsen, Å. Larsen, P. Doshev, E. Ommundsen, Warpage-crystallinity relations in rotational molding of polypropylene,
Polymer Engineering and Science, 49, 523 (2009)
I. Simonsen, Å. Larsen, E. Andreassen, E. Ommundsen, K. Nord-Varhaug, Haze of surface random systems: An approximate analytic approach,
Physical Review A, 79, 063813 (2009)
P. Brachet, L. T. Høydal, E. L. Hinrichsen, F. Melum, Modification of mechanical properties of recycled polypropylene from post-consumer containers,
Waste Management, 28, 2456 (2008)
P. Nygard, B. S. Tanem, T. Karlsen, P. Brachet, B. Leinsvang, Extrusion-based wood fibre-PP composites: Wood powder and pelletized wood fibres - a comparative study,
Composites Science and Technology, 68, 3418 (2008)
T. Tofteberg, H. Amedro, E. Andreassen,
Injection molding of a diffractive optical element,
Polymer Engineering and Science, 48, 2134 (2008)
J. K. Jørgensen, K. Redford, E. Ommundsen, Aa. Stori, Molecular structure and shear rheology of long chain branched polypropylene formed by light cross-linking of a linear precursor with 1,3-benzenedisulfonyl azide,
Journal of Applied Polymer Science, 106, 950 (2007)
J. K. Jørgensen, Aa. Stori, K. Redford, E. Ommundsen, Introduction of long-chain branches in linear polyethylene by light cross-linking with 1,3-benzenedisulfonyl azide,
Polymer, 46, 12256 (2005)
J. K. Jørgensen, E. Ommundsen, Aa. Stori, K. Redford, Synthesis, characterisation and decomposition of 1,3-benzene disulfonyl azide; a cross-linking agent for polyolefins,
Polymer, 46, 12073 (2005)
T. Glomsaker, Å. Larsen, E. Andreassen, E. Ommundsen,
Experimental and numerical investigation of warpage of semicrystalline polymers in rotational molding,
Polymer Engineering and Science, 45, 945 (2005)
I. Simonsen, Å. Larsen, E. Andreassen, E. Ommundsen, K. Nord-Varhaug, Estimation of gloss from rough surface parameters,
Physica Status Solidi B, 242, 2995 (2005)
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Presentations at international conferences
T.R. Tofteberg, J.P. Hegdal, Å.G. Larsen, T. Schjelderup, E.L. Hinrichsen, Determining the morphology of chemically foamed pipe coating using image segmentation, EUROTEC 2011, Barcelona, Spain, 14-15 November 2011
Å. Larsen, C. Neldin, Physical foaming of poly(lactic acid) – Processing and properties, EUROTEC 2011, Barcelona, Spain, 14-15 November 2011
F. Grytten, M. Blochowiak, E.L. Hinrichsen, T.R. Tofteberg, Use of digital image correlation and inverse modeling to determine residual stress in axisymmetric polymer components, EUROTEC 2011, Barcelona, Spain, 14-15 November 2011
H. Daiyan, F. Grytten, E. Andreassen, R.H. Gaarder, H. Osnes, Mechanical testing of polypropylene materials in shear analysed by digital image correlation, EUROTEC 2011, Barcelona, Spain, 14-15 November 2011
E. Andreassen, H. Daiyan, F. Grytten, O.V. Lyngstad, H. Osnes, Material modelling for simulating impact loading of injection-moulded polypropylene parts, EUROTEC 2011, Barcelona, Spain, 14-15 November 2011
H. Daiyan, E. Andreassen, F. Grytten, H. Osnes, M. Polanco-Loria, Impact response of polypropylene plates, 3rd International Conference on Impact Loading of Lightweight Structures (ICILLS’2011), Valenciennes, France, 28 June - 1 July 2011
T.-N. Tran, A. Larsson, E. Andreassen, K.E. Aasmundtveit, T.M. Seeberg, Smart textiles – Encapsulation of sensors, 22nd Micromechanics and Micro systems Europe Workshop (MME2011), Tønsberg, Norway, 19-22 June 2011
MME2011 Proceedings, pp. 130-133
H.-V. Nguyen, H. Kristiansen, R. Johannessen, E. Andreassen, A. Larsson, N. Hoivik, K. E. Aasmundtveit, Temperature dependence of mechanical properties of isotropic conductive adhesive filled with metal coated polymer spheres, IEEE Electronic Components and Technology Conference (ECTC), Florida, USA, 31 May - 3 June 2011
ISSN 0569-5503, pp. 639-644
L. T. Truong. Å. Larsen, B. Holme, F. K. Hansen, J. Roots, Morphology and crystallization behavior of syndiotactic polypropylene-alumina nanocomposites, Europa/Africa Regional Meeting of the Polymer Processing Society, Larnaca, Cyprus, 18-21 October 2009
J. K. Jørgensen, J. Kalus, H. Osnes, Accellerated testing of long-term creep resistance of 50% short-fiber reinforced PPA, Europa/Africa Regional Meeting of the Polymer Processing Society, Larnaca, Cyprus, 18-21 October 2009
J. Kalus, J. K. Jørgensen, Weld line strength in short-fiber reinforced PA12 – The role of fiber orientation and testing rate, Europa/Africa Regional Meeting of the Polymer Processing Society, Larnaca, Cyprus, 18-21 October 2009
H. Daiyan, F. Grytten, E. Andreassen, M. Polanco-Loria, S. Dumoulin, Three-dimensional digital image correlation in constitutive property measurement and model verification, Invited lecture, LIMESS User Meeting, Berlin, Germany, 7-8 October 2009
P. M. Stenstad, T. Tofteberg, S. M. Borch, E. Andreassen, Surface modification and fabrication technology for lab-on-a-chip devices in polymer materials, The 6th international workshop on Wearable Micro and Nanosystems for Personalised Health (pHealth 2009), Oslo, Norway, 24-26 June 2009
H. Daiyan, F. Grytten, E. L. Hinrichsen, E. Andreassen, Some effects of processing on the mechanical response of polyolefins, Invited lecture, International workshop on behaviour and modelling of polymers, Trondheim, Norway, 10-11 June 2009
H. Daiyan, F. Grytten, E. Andreassen, O. V. Lyngstad, H. Osnes, R. H. Gaarder, E. L. Hinrichsen, Numerical simulation of low-velocity impact loading of polymer materials, 7th European LS-DYNA Conference, Salzburg, Austria, 14-15 May 2009
H. Daiyan, E. Andreassen, F. Grytten, O. V. Lyngstad, T. Luksepp, E. L. Hinrichsen, Impact response of injection-moulded polypropylene parts for automotive exteriors, 14th International Conference on Deformation, Yield and Fracture of Polymers, Kerkrade, The Netherlands, 6-9 April 2009
Extended abstract (PDF)
Poster (PDF)
T. Tofteberg, E. Andreassen, Predicting replication and planarity of a CO2 gas sensor, Annual meeting of the Polymer Processing Society (PPS-25), Goa, India, 1-5 March 2009
M. Skolimowski, T. Tofteberg, E. Andreassen, O. Geschke
A novel passive micromixer suitable for mass production in polymers, Annual meeting of the Polymer Processing Society (PPS-25), Goa, India, 1-5 March 2009
F. Grytten, R. H. Gaarder, E. Andreassen, E. L. Hinrichsen, A whole-field measurement based identification procedure for polymer composites, 4th International Conference on Composites Testing and Model Identification, Dayton, Ohio, USA, 20-22 October 2008
E. Andreassen, A.-M. Persson, K. Nord-Varhaug, P. Brachet, E. L. Hinrichsen, Impact fracture toughness of high-density polyethylene – Effects of material parameters and moulding conditions, 5th International conference on fracture of polymers, composites and adhesives, Les Diablerets, Switzerland, 7-11 September 2008
Poster (PDF)
H. Daiyan, E. Andreassen, F. Grytten, O. V. Lyngstad, R. H. Gaarder, E. L. Hinrichsen, Mechanical properties of injection-moulded automotive parts, Impact Loading of Lightweight Structures, Trondheim, Norway, 17-19 June 2008
Extended abstract (PDF)
P. Doshev, R. Ervik, T.B. Løvgren, A. Iveland, Å. Larsen, Analytical techniques characterizing the behavior of polypropylene during rotational moulding, Keynote lecture at PPS-24 (24th Annual meeting of the Polymer Processing Society), Salerno, Italy, 15-19 June 2008
E. Andreassen, H. Daiyan, F. Grytten, O. V. Lyngstad, R. H. Gaarder, E. L. Hinrichsen, Mechanical testing for generating input to numerical simulation of impact response of injection-moulded components, PPS-24 (24th Annual meeting of the Polymer Processing Society), Salerno, Italy, 15-19 June 2008
Extended abstract (PDF)
Poster (PDF)
T. Tofteberg, E. Andreassen, Simulating injection moulding of microfeatured components, PPS-24 (24th Annual meeting of the Polymer Processing Society), Salerno, Italy, 15-19 June 2008
T. Tofteberg, E. Andreassen, Injection moulding of microfeatured parts, PPS-24 (24th Annual meeting of the Polymer Processing Society), Salerno, Italy, 15-19 June 2008
E. Andreassen, Injection moulding of micro- and nanostructures, Invited lecture at Polymer micro- and nanofabrication, Summer school for PhD students Palmse, Estonia, 31 August - 6 September 2007
T. Tofteberg, E. Andreassen, Injection moulding of microfeatured components, Presentation at Polymer micro- and nanofabrication, Summer school for PhD students
Palmse, Estonia, 31 August - 6 September 2007
T. Glomsaker, Å. Larsen, P. Doshev, E. Ommundsen, Warpage-crystallinity relations in rotational moulding, Polymer Processing Society, Europe/Africa Regional Meeting, Gothenburg, Sweden, 28-30 August 2007
T. Tofteberg, E. Andreassen, Multiscale simulations of the injection moulding of a diffractive optical element, Polymer Processing Society, Europe/Africa Regional Meeting, Gothenburg, Sweden, 28-30 August 2007
E. Andreassen, K. Nord-Varhaug, E. L. Hinrichsen, A.-M. Persson, Impact fracture toughness of polyethylene materials for injection moulding, Polymer Processing Society, Europe/Africa Regional Meeting, Gothenburg, Sweden, 28-30 August 2007
Extended abstract (PDF)
T. Glomsaker, E. Andreassen, M. Polanco-Loria, O. V. Lyngstad, R. H. Gaarder, E. L. Hinrichsen, Mechanical response of injection-moulded parts at high strain rates, Polymer Processing Society, Europe/Africa Regional Meeting, Gothenburg, Sweden, 28-30 August 2007
Extended abstract (PDF)
Poster (PDF)
J. K. Jørgensen, Å. Larsen, I. Helland, Determination of LLDPE molecular structure and its relation to crystal structure and mechanical properties, European Polymer Federation (EPF) 2007, Portorož, Slovenia, 2-6 July 2007
J. Spoormaker, E. Andreassen, A. Heidweiller, Failure analysis and prevention – A new European special interest group,
ANTEC 2007, Cincinnati, USA, 6.-10. May 2007
ANTEC 2007 Proceedings (ISBN 0-9753707-5-8), Society of Plastics Engineers, pp. 2762-2766
Å. Larsen, E. A. Kleppe, Recycling plastics with Nor-X degradable in full-scale industrial recycling process, IdentiPlast 2007, Brüssel, Belgium, 23-24 April 2007
Andreassen, J. Bogelund, J. Spoormaker, Failure prevention by using databases of failure cases, Int. Conf. on Polymers & Moulds Innovations, Ghent, Belgium 18-21 April 2007
E.L. Hinrichsen, Å. Larsen, B.S. Tanem, I. Helland, A. Follestad, Orientation and barrier of high density polyethylene films, Workshop of COST action P12 – Structuring of polymers, Mittelwihr, France, October 2006
T. Glomsaker, E. Andreassen, A.-M. Persson, M. Polanco-Loria, K. Nord-Varhaug, E. L. Hinrichsen, Mechanical response at high strain rates (impact) – Deformation and fracture, Rolduc Polymer Meeting, Kerkrade, The Netherlands, 22-25 October 2006
I. Simonsen, E. Andreassen, Å. Larsen, E. Ommundsen, K. Nord-Varhaug, Estimation of gloss from rough surface parameters, Optics of Surfaces and Interfaces (OSI-VI) – From Basic Research to Applications, Ålborg, Denmark, 6-10 June 2005
S. E. Wheatley, K. Folgerø, J. Kocbach, T. Pettersen, A. Kopperud, I. Jensen, E. Andreassen, F. Lapique, Practical design issues low-cost polymer waveguide filters, IEEE MTT-S 2005 International Microwave Symposium, Long Beach, California, USA 12-17 June 2005
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Other
E. Andreassen, Noen metoder for testing og analyse av plastmaterialer – med eksempler, Invitert foredrag på workshop arrangert av Plastnett Innlandet, Raufoss, 28 June 2011
H.-V. Nguyen, H. Kristiansen, R. Johannessen, E. Andreassen, A. Larsson, N. Hoivik, K. E. Aasmundtveit, Temperature dependence of mechanical properties of isotropic conductive adhesive filled with metal coated polymer spheres, 2nd Annual Workshop of the Norwegian PhD Network on Nanotechnology for Microsystems, Oslo, 15-17 June 2011
E. L. Hinrichsen,
From fish biting on aquaculture nets to lifeboats hitting the sea -- Advanced test methods and numerical simulations provide insight on the mechanical behaviour of polymers and composites, Polymer Days 2010, Fredrikstad, Norway, 24-25 November 2010
T. Tofteberg, E. Andreassen,
Small structures for better health -- Examples from R&D on e.g. medical diagnostics and monitoring where polymer materials are essential,
Polymer Days 2010, Fredrikstad, Norway, 24-25 November 2010
J. Hermansen, M. Skattum, E. Andreassen,
A summary of the project ”Innovative injection moulding industry” and some thoughts about future R&D collaborations ,
Polymer Days 2010, Fredrikstad, Norway, 24-25 November 2010
E. Andreassen,
Micro- and nano-structured polymer components fabricated by injection moulding,
Invited presentation at NTNU Nanolab, Trondheim, Norway, November 9, 2010
E. Andreassen,
Micro- and nano-structured polymer components,
Invited presentation at the Institute of Micro- and Nano System Technology, Vestfold University College
Borre, Norway, 26 May 2010
Plastic components with microstructured surfaces
GEMINI Autumn 2009, p. 46
Masseproduksjon med mikrodetaljer
GEMINI, nr. 2 Juni 2009, p. 42
E. Andreassen, T. Tofteberg,
Mikrostrukturerte plastkomponenter i termoplast,
Invited presentation at a seminar for the Norwegian Defence Research Establishment, Jevnaker, Norway, 1-2 September 2008
Å. Larsen,
Perspectives on new materials and waste streams,
Invited presentation, Nordic workshop on waste resource management and climate actions,
Fredrikstad, Norway, 10 June 2008
T. Tofteberg, E. Andreassen,
Simulating injection moulding of microfeatured components,
NOTUR2008 (The 7th Annual Meeting on High Performance Computing and Infrastructure in Norway), Tromsø, Norway, 5-6 June 2008
T. Tofteberg, E. Andreassen,
Sprøytestøping av mikrostrukturerte komponenter,
Presentation at seminar arranged by the Norwegian Injection Moulding Forum, Asker, Norway, 9-10 April 2008
T. Tofteberg,
Injection moulding of microfeatured components,
Presentation at SINTEF ICT (MiNaLab), Oslo, Norway, March 11, 2008
Å. Larsen, L. T. Høydal,
Plastgjenvinning,
Invited presentation at a seminar for the Norwegian Defence Research Establishment, Sundvollen, Norway, 22-23 October 2007
E. Andreassen,
Produksjon av plastprodukter,
Invited presentation at a seminar for the Norwegian Defence Research Establishment, Sundvollen, Norway, 22-23 October 2007
E. Andreassen,
The Norwegian injection moulding industry and possibilities for cooperation with Portuguese mould makers,
Presentation for a Portuguese delegation visiting Norway, Oslo, Norway, 7 September 2006
T. Tofteberg, E. Andreassen,
Simulation of injection molding of micro-featured polymer components,
MekIT'07 - 4th National Conference on Computational Mechanics, Trondheim, Norway, 23-24 May 2007
E. Andreassen, Polymermaterialer/plast (termoplast og gummi), Artikkel (s. 58-62) i Avanserte materialer i Norge 2020 – Vedlegg I: Materialforskning i Norge, ISBN 82-12-02243-9, utgitt av Norges forskningsråd som del av en foresight-studie, 2006
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