Ulrich Hirn

Univ.-Prof. Dipl.-Ing. Dr.techn.

1990 …2022
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  • 11 Similar Profiles
Fibers Engineering & Materials Science
Pulp Engineering & Materials Science
Drying Engineering & Materials Science
Cellulose films Chemical Compounds
Contact angle Engineering & Materials Science
Cellulose Chemical Compounds
Atomic force microscopy Chemical Compounds
Coatings Engineering & Materials Science

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Research Output 1999 2019

A continuum micromechanics approach to the elasticity and strength of planar fiber networks: Theory and application to paper sheets

Godinho, P. M. J. S., Jajcinovic, M., Wagner, L., Vass, V., Fischer, W. J., Bader, T. K., Hirn, U., Bauer, W., Eberhardsteiner, J. & Hellmich, C., 1 May 2019, In : European Journal of Mechanics, A/Solids. 75, p. 516-531 16 p.

Research output: Contribution to journalArticleResearchpeer-review

micromechanics
Micromechanics
Circuit theory
Elasticity
elastic properties

A minimal continuum representation of a transverse isotropic viscoelastic pulp fibre based on micromechanical measurements

Seidlhofer, T., Czibula, C. M., Teichert, C., Payerl, C., Hirn, U. & Ulz, M. H., 2019, In : Mechanics of Materials. 135, p. 149-161 13 p.

Research output: Contribution to journalArticleResearchpeer-review

Pulp
continuums
fibers
Fibers
complex compounds

Effect of mechanically induced micro deformations on extensibility and strength of individual softwood pulp fibers and sheets

Kouko, J., Jajcinovic, M., Fischer, W. J., Ketola, A., Hirn, U. & Retulainen, E., 2019, In : Cellulose. 26, 3, p. 1995-2012

Research output: Contribution to journalArticleResearchpeer-review

Open Access

Evaluating the degree of molecular contact between cellulose fiber surfaces using FRET microscopy

Urstöger, G., Simoes, M. G., Steinegger, A., Schennach, R. & Hirn, U., 1 Jan 2019, In : Cellulose. 26, 12, p. 7037-7050

Research output: Contribution to journalArticleResearchpeer-review

Cellulose
Energy transfer
Microscopic examination
Fibers
Pulp

Material model of pulp fibres

Seidlhofer, T., Hirn, U. & Ulz, M. H., 2019, In : Proceedings in Applied Mathematics and Mechanics . 2 p.

Research output: Contribution to journalArticleResearchpeer-review

Open Access

Activities 2011 2019

Multilayer Density Analysis of Cellulose Thin Films

Carina Sampl (Speaker), Katrin Niegelhell (Contributor), Katri Kontturi (Contributor), Roland Resel (Contributor), Ulrich Hirn (Contributor), Stefan Spirk (Contributor)
4 Apr 2019

Activity: Talk or presentationTalk at conference or symposiumScience to science

Industrially relevant cationic starches and cellulose

Stefanie Monika Müller (Speaker), Niegelhell Katrin (Contributor), Angela Chemelli (Contributor), Josefine Hobisch (Contributor), Thomas Griesser (Contributor), Heidemarie Reiter (Contributor), Ulrich Hirn (Contributor), Stefan Spirk (Contributor)
14 Feb 2019

Activity: Talk or presentationTalk at conference or symposiumScience to science

Investigation of Surface Fractions of Cellulose Thin Films - an AFM/SPR study

Carina Sampl (Speaker), Katrin Niegelhell (Contributor), Katri Kontturi (Contributor), Stefan Spirk (Contributor), Ulrich Hirn (Contributor)
29 Apr 2019

Activity: Talk or presentationTalk at conference or symposiumScience to science

Investigating the swelling behavior of cellulose thin films by multilayer density analysis using AFM/SPR spectroscopy

Carina Sampl (Speaker), Niegelhell Katrin (Contributor), David Reishofer (Contributor), Roland Resel (Contributor), Stefan Spirk (Contributor), Ulrich Hirn (Contributor)
14 Feb 2019

Activity: Talk or presentationTalk at conference or symposiumScience to science

Paper & Biorefinery Conference 2019

Wolfgang Bauer (Organiser), Ulrich Hirn (Organiser), Kerstin Schefzik (Organiser)
5 Jun 20196 Jun 2019

Activity: Participation in or organisation ofConference or symposium (Participation in/Organisation of)

Projects 1990 2022