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Influence of drying pressure on interfibre bond strength.
KTH, School of Engineering Sciences (SCI), Solid Mechanics (Dept.).
2012 (English)Independent thesis Advanced level (degree of Master (One Year)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

In this thesis the influence of the drying pressure on interfibre bond strength was investigated. Five different drying pressures, 0.7, 2.9, 4.5, 6.7, and 15 kPa, were applied during the preparation of fiber-fiber cross test pieces. The nominal overlap area of each fibre-fibre cross was measured in a transmission light microscope. A tensile tester was used to record the loaddeformation behavior of each fiber-fiber cross. The final results of the interfibre bond strength were defined by both the overlap area and the maximum force of each bond. The results showed that the influence of drying pressure to the average strength were very weak, although a maximum could be seen at 2.9 kPa of drying pressure. Moreover, the results suggested the overall trend of decreasing strengths at very high drying pressures. Finally, a statistical significance study of the results was presented. In addition, the influences of fiber type (spring wood vs. summer wood) and press type (steel vs. steel or steel vs. rubber) on interfibre bond strength were also discussed.

Place, publisher, year, edition, pages
2012. , 39 p.
National Category
Applied Mechanics
URN: urn:nbn:se:kth:diva-103891OAI: diva2:562245
Subject / course
Solid Mechanics
Educational program
Master of Science - Engineering Mechanics
Available from: 2014-04-09 Created: 2012-10-23 Last updated: 2014-04-09Bibliographically approved

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