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Tribology under refining conditions: initial studies sevo motor
Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences. (FSCN – Fibre Science and Communication Network)ORCID iD: 0000-0003-3381-5516
Mid Sweden University, Faculty of Science, Technology and Media, Department of Engineering, Physics and Mathematics.
Mid Sweden University, Faculty of Science, Technology and Media, Department of Engineering, Physics and Mathematics. (FSCN – Fibre Science and Communication Network)
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2003 (English)In: 2003 International Mechanical Pulping Conference, 2003, 233-237 p.Conference paper, (Refereed)
Abstract [en]

The refining process is not yet fully understood and more fundamental knowledge is a key to improvements in the future. A tribological view on refining could give new understanding and ideas for improvement of the process efficiency. This paper presents a new apparatus for studying the frictional properties of wood � under refining conditions. A laboratory scale friction tester has been constructed where friction tests can be carried out in a steam atmosphere under high temperature/pressure and with maximum sliding velocity as high as 200 m/s. Initial studies in room temperature show that the coefficient of friction is proportional to the moisture content of wood at a sliding velocity of 24 m/s and with a normal load of 8 N. Wood extractives lowered the friction on dry surfaces and especially at high sliding velocity. The lubricating capacity of a variety of different resin model components among the extractives was also examined, but no significant effects has been found on wood specimens of 30 and 70 % in moisture contents.

Place, publisher, year, edition, pages
2003. 233-237 p.
Keyword [en]
tribology, friction, mechanical pulping
National Category
Chemical Engineering
Identifiers
URN: urn:nbn:se:miun:diva-5133Local ID: 1302ISBN: 1-896742-86-6 (print)OAI: oai:DiVA.org:miun-5133DiVA: diva2:30165
Available from: 2008-09-30 Created: 2009-06-08 Last updated: 2009-06-08Bibliographically approved

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Svensson, BirgittaNyström, Staffan KGradin, PerHöglund, Hans
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