Significance of fatigue for mechanical defibration

Ari Salmi (Corresponding Author), Lauri I. Salminen, Mikael Lucander, Edward Häggström

Research output: Contribution to journalArticleScientificpeer-review

12 Citations (Scopus)

Abstract

The fatigue induced by high-frequency cyclic loading on the compressibility and tensile properties of wood and wood cell walls was quantified. The non-elastic behavior of fatigued and reference samples was similar, whereas their elastic behavior differed, as expected. Next, the effects of the dynamic fatigue on the mechanical pulping process were quantified by grinding fatigued and untreated samples and by comparing the paper strength produced by the two pulps against the consumed pulping energy. Pre-introducing fatigue increased the energy efficiency of grinding and may allow designing a more energy efficient mechanical pulping process.
Original languageEnglish
Pages (from-to)575-579
JournalCellulose
Volume19
Issue number2
DOIs
Publication statusPublished - 2012
MoE publication typeA1 Journal article-refereed

Fingerprint

Fatigue of materials
Wood
Compressibility
Tensile properties
Pulp
Energy efficiency
Cells

Keywords

  • Ultrasound
  • mechanical defibration
  • fatigue
  • materials testing

Cite this

Salmi, A., Salminen, L. I., Lucander, M., & Häggström, E. (2012). Significance of fatigue for mechanical defibration. Cellulose, 19(2), 575-579. https://doi.org/10.1007/s10570-011-9640-x
Salmi, Ari ; Salminen, Lauri I. ; Lucander, Mikael ; Häggström, Edward. / Significance of fatigue for mechanical defibration. In: Cellulose. 2012 ; Vol. 19, No. 2. pp. 575-579.
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Salmi, A, Salminen, LI, Lucander, M & Häggström, E 2012, 'Significance of fatigue for mechanical defibration', Cellulose, vol. 19, no. 2, pp. 575-579. https://doi.org/10.1007/s10570-011-9640-x

Significance of fatigue for mechanical defibration. / Salmi, Ari (Corresponding Author); Salminen, Lauri I.; Lucander, Mikael; Häggström, Edward.

In: Cellulose, Vol. 19, No. 2, 2012, p. 575-579.

Research output: Contribution to journalArticleScientificpeer-review

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AU - Salmi, Ari

AU - Salminen, Lauri I.

AU - Lucander, Mikael

AU - Häggström, Edward

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AB - The fatigue induced by high-frequency cyclic loading on the compressibility and tensile properties of wood and wood cell walls was quantified. The non-elastic behavior of fatigued and reference samples was similar, whereas their elastic behavior differed, as expected. Next, the effects of the dynamic fatigue on the mechanical pulping process were quantified by grinding fatigued and untreated samples and by comparing the paper strength produced by the two pulps against the consumed pulping energy. Pre-introducing fatigue increased the energy efficiency of grinding and may allow designing a more energy efficient mechanical pulping process.

KW - Ultrasound

KW - mechanical defibration

KW - fatigue

KW - materials testing

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Salmi A, Salminen LI, Lucander M, Häggström E. Significance of fatigue for mechanical defibration. Cellulose. 2012;19(2):575-579. https://doi.org/10.1007/s10570-011-9640-x