H. Daiyan
Experimental and numerical investigation of the mechanical response of
injection moulded polypropylene materials
PhD thesis, University of Oslo, 2011

M. Polanco-Loria, H. Daiyan, F. Grytten
Material parameters identification: An inverse modelling procedure applicable for thermoplastic materials,
Accepted for publication in Polymer Engineering & Science, 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)  

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 

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. 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
Extended abstract (PDF)

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)

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)

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)

E. Andreassen, K. Nord-Varhaug, E. L. Hinrichsen, A.-M. Persson,
Impact fracture toughness of polyethylene materials for injection moulding,
PPS07ea (Polymer Processing Society),
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,
PPS07ea (Polymer Processing Society),
Gothenburg, Sweden, 28.-30. August 2007
Extended abstract (PDF)
Poster (PDF)

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

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

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