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Journal articles
Magazine articles
Understanding extensibility of paper: Role of fiber elongation and fiber bonding, TAPPI Journal March 2020

ABSTRACT: The tensile tests of individual bleached softwood kraft pulp fibers and sheets, as well as the micro-mechanical simulation of the fiber network, suggest that only a part of the elongation potential of individual fibers is utilized in the elongation of the sheet. The stress-strain curves of two actual individual pulp fibers and one mimicked classic stress-strain behavior of fiber were applied to a micromechanical simulation of random fiber networks. Both the experimental results and the micromechanical simulations indicated that fiber bonding has an important role not only in determining the strength but also the elongation of fiber networks. Additionally, the results indicate that the shape of the stress-strain curve of individual pulp fibers may have a significant influence on the shape of the stress-strain curve of a paper sheet. A large increase in elongation and strength of paper can be reached only by strengthening fiber-fiber bonding, as demonstrated by the experimental handsheets containing starch and cellulose microfibrils and by the micromechanical simulations. The key conclusion related to this investigation was that simulated uniform inter-fiber bond strength does not influence the shape of the stress-strain curve of the fiber network until the bonds fail, whereas the number of bonds has an influence on the activation of the fiber network and on the shape of the whole stress-strain curve.

Magazine articles
Open Access
Forest products industry partners with government on r&d projects, TAPPI JOURNAL, April 1999, Vol. 82(4)

Forest products industry partners with government on r&d projects, TAPPI JOURNAL, April 1999, Vol. 82(4)

Magazine articles
Open Access
Mondi in south africa, TAPPI JOURNAL, April 1999, Vol. 82(4)

Mondi in south africa, TAPPI JOURNAL, April 1999, Vol. 82(4)

Magazine articles
Open Access
Practical sheeting and packaging methods for soho market, TAPPI JOURNAL, April 1999, Vol. 82(4)

Practical sheeting and packaging methods for soho market, TAPPI JOURNAL, April 1999, Vol. 82(4)

Magazine articles
Open Access
Quality and environmental management system: electronic documentation management, TAPPI JOURNAL, April 1999, Vol. 82(4)

Quality and environmental management system: electronic documentation management, TAPPI JOURNAL, April 1999, Vol. 82(4)

Magazine articles
Open Access
Suppliers on the web/internet address listing, TAPPI JOURNAL

Suppliers on the web/internet address listing, TAPPI JOURNAL, August 1999, Vol. 82(8)

Magazine articles
Open Access
TAPPI's website - then and now, TAPPI JOURNAL, August 1999,

TAPPI's website - then and now, TAPPI JOURNAL, August 1999, Vol. 82(8)

Magazine articles
Open Access
The role of technology in influencing industry policy and di

The role of technology in influencing industry policy and direction, TAPPI JOURNAL, August 1999, Vol. 82(8)

Magazine articles
Open Access
Views from the top: ceos offer global perspectives on the pulp and paper industries, TAPPI JOURNAL, August 1999, Vol. 82(8)

Views from the top: ceos offer global perspectives on the pulp and paper industries, TAPPI JOURNAL, August 1999, Vol. 82(8)

Magazine articles
Open Access
UGA warnell school of forest resources builds mobile lab for wastewater analyses and management, TAPPI JOURNAL, December 1999, Vol. 82(12)

UGA warnell school of forest resources builds mobile lab for wastewater analyses and management, TAPPI JOURNAL, December 1999, Vol. 82(12)

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