X-ray nanotomography of fibre bonds

Elias Retulainen, Joni Parkkonen, Arttu Miettinen

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsScientific

Abstract

X-ray nanotomography has successfully been applied for studying individual fibre bonds. X-ray nanotomography is a powerful tool for observing the three-dimensional structure of the fibre crossings with a resolution better than is possible with optical methods. Typical challenges encountered were the demanding sample preparation process, and movement of the sample during the scanning. A long scanning time was needed (60 h), which apparently also degraded the cellulose molecules in the fibre wall. In spite of several problems, a small number of fibre bonds between springwood fibres (unrefined and refined, bleached softwood kraft) were successfully imaged. The results showed that only a fraction (i.e. 15-88%) of the crossing areas were in contact.
Original languageEnglish
Title of host publicationProgress in Paper Physics Seminar 2016
Subtitle of host publicationConference proceedings
Pages162-168
Publication statusPublished - 2016
EventProgress in Paper Physics Seminar, PPPS 2016 - Darmstadt, Germany
Duration: 22 Aug 201626 Aug 2016

Conference

ConferenceProgress in Paper Physics Seminar, PPPS 2016
Abbreviated titlePPPS 2016
CountryGermany
CityDarmstadt
Period22/08/1626/08/16

Fingerprint

X rays
Fibers
Scanning
Softwoods
Cellulose
Molecules

Keywords

  • x-ray tomography
  • fiber bonds
  • bonded area

Cite this

Retulainen, E., Parkkonen, J., & Miettinen, A. (2016). X-ray nanotomography of fibre bonds. In Progress in Paper Physics Seminar 2016: Conference proceedings (pp. 162-168)
Retulainen, Elias ; Parkkonen, Joni ; Miettinen, Arttu. / X-ray nanotomography of fibre bonds. Progress in Paper Physics Seminar 2016: Conference proceedings. 2016. pp. 162-168
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Retulainen, E, Parkkonen, J & Miettinen, A 2016, X-ray nanotomography of fibre bonds. in Progress in Paper Physics Seminar 2016: Conference proceedings. pp. 162-168, Progress in Paper Physics Seminar, PPPS 2016, Darmstadt, Germany, 22/08/16.

X-ray nanotomography of fibre bonds. / Retulainen, Elias; Parkkonen, Joni; Miettinen, Arttu.

Progress in Paper Physics Seminar 2016: Conference proceedings. 2016. p. 162-168.

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsScientific

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T1 - X-ray nanotomography of fibre bonds

AU - Retulainen, Elias

AU - Parkkonen, Joni

AU - Miettinen, Arttu

N1 - LIS: Ext. abstract reviewed, published Project code: 74054

PY - 2016

Y1 - 2016

N2 - X-ray nanotomography has successfully been applied for studying individual fibre bonds. X-ray nanotomography is a powerful tool for observing the three-dimensional structure of the fibre crossings with a resolution better than is possible with optical methods. Typical challenges encountered were the demanding sample preparation process, and movement of the sample during the scanning. A long scanning time was needed (60 h), which apparently also degraded the cellulose molecules in the fibre wall. In spite of several problems, a small number of fibre bonds between springwood fibres (unrefined and refined, bleached softwood kraft) were successfully imaged. The results showed that only a fraction (i.e. 15-88%) of the crossing areas were in contact.

AB - X-ray nanotomography has successfully been applied for studying individual fibre bonds. X-ray nanotomography is a powerful tool for observing the three-dimensional structure of the fibre crossings with a resolution better than is possible with optical methods. Typical challenges encountered were the demanding sample preparation process, and movement of the sample during the scanning. A long scanning time was needed (60 h), which apparently also degraded the cellulose molecules in the fibre wall. In spite of several problems, a small number of fibre bonds between springwood fibres (unrefined and refined, bleached softwood kraft) were successfully imaged. The results showed that only a fraction (i.e. 15-88%) of the crossing areas were in contact.

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KW - fiber bonds

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Retulainen E, Parkkonen J, Miettinen A. X-ray nanotomography of fibre bonds. In Progress in Paper Physics Seminar 2016: Conference proceedings. 2016. p. 162-168