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Characterisation of water resistance with resin impregnated paper honeycomb cores
Luleå University of Technology, Department of Engineering Sciences and Mathematics. Axxor.
2016 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

Axxor is one the main leader in paper honeycomb production by supplying automotive, furniture, and door manufacturers. Paper honeycomb material holds the lead over any existing cores in performance, price and density ratio. The main drawback of PHC products is its lack of water/fire resistance which reduces significantly its scope of applications. Consequently, the Axxor company intends to perform a new type of product which could withstand a water exposition: impregnated paper honeycomb. By coating the paper honeycomb cellulose fibers, the mechanical properties are significantly improved with three times higher compressive strength compared to PHC. Two impregnated resins have been selected for a potential large scale production: Epoxy and Polyurethane resins. The totality of IPHC is produced through two processes which are a manual impregnation performed by hand or a continuous impregnation performed by an impregnation machine. With these independent variables in mind, this study concerns the degree of water resistance by comparing three IPHC samples: - Epoxy IPHC performed with handmade impregnation - Polyurethane IPHC performed with handmade impregnation - Polyurethane IPHC performed with the impregnation machine (higher resin content) By using the available characterization devices, water resistance is defined by measuring the decreases of the mechanical performances depending on the remaining water content in each samples.

Place, publisher, year, edition, pages
2016. , 54 p.
Keyword [en]
Paper, honeycomb, water, impregnated, sandwich panel
National Category
Composite Science and Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-41885OAI: oai:DiVA.org:ltu-41885DiVA: diva2:1014963
External cooperation
Axxor
Educational program
Materials Engineering, master's level
Presentation
(English)
Supervisors
Examiners
Available from: 2016-10-28 Created: 2016-10-03 Last updated: 2016-10-28Bibliographically approved

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Jeunesse, Florian
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