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The link between th...
The link between the fiber contact zone and the physical properties of paper : A way to control paper properties
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- Torgnysdotter, Annsofie (författare)
- Mittuniversitetet,KTH,Fiber- och polymerteknologi,Institutionen för naturvetenskap (-2008)
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- Kulachenko, Artem (författare)
- Mittuniversitetet,KTH,Hållfasthetslära (Inst.),Institutionen för teknik, fysik och matematik (-2008)
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- Gradin, Per (författare)
- Mittuniversitetet,Institutionen för teknik, fysik och matematik (-2008)
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- Wågberg, Lars (författare)
- KTH,Fiber- och polymerteknologi
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(creator_code:org_t)
- 2016-07-27
- 2007
- Engelska.
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Ingår i: Journal of composite materials. - : SAGE Publications. - 0021-9983 .- 1530-793X. ; 41:13, s. 1619-1633
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- Paper is a composite of fibers, air and additives where the fiber/fiber joints keep the network structure together. A study was undertaken to establish the link between the properties of the contact zone between fibers and paper performance under mechanical loading. The contact zone between fibers was investigated using light microscopy. A staining technique was developed for evaluating the influence of surface charge on fiber/fiber joint strength. The joint strength was linearly correlated with paper tensile strength and with the average amplitude of the acoustic events measured by acoustic emission testing. The fiber surface conformability was improved by changing the surface charge. This resulted in increased fiber/fiber joint strength as the relative contact area became larger. Increasing the molecular adhesion in the contact zone with the aid of strength additives also improved the fiber/fiber joint strength.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Pappers-, massa- och fiberteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Paper, Pulp and Fiber Technology (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Kemiteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Chemical Engineering (hsv//eng)
Nyckelord
- acoustic emission
- wood fibers
- bonded area
- bonding strength
- chemical bonds
- paper strength
- regenerated cellulose
- kraft pulps
- strength
- joint
- Cellulose and paper engineering
- Cellulosa- och pappersteknik
- Chemical engineering
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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