The influence of drying restraints and beating degree on residual stress build-up in paperboard
2004 (English)In: Journal of Pulp and Paper Science (JPPS), ISSN 0826-6220, Vol. 30, no 11, 289-293 p.Article in journal (Refereed) Published
The through-thickness distribution of in-plane residual stress has been determined for laboratory-made paperboards, to study the causes of these stresses. The degree of restraint during drying is shown not to influence the residual stresses in a significant way. However, a higher level of beating of the pulp leads to higher residual stresses. The drying gradient through the sheet combined with the shrinkage of paper as moisture content decreases is suggested as the main reason for residual stress build-up. No effect an free shrinkage was seen when attempting to limit the drying gradients by decreasing the grammage.
Place, publisher, year, edition, pages
2004. Vol. 30, no 11, 289-293 p.
Curl, Drying, Mechanical Properties, Moisture Content, Paperboards, Stresses
Engineering and Technology
IdentifiersURN: urn:nbn:se:kth:diva-8188ISI: 000227150000001ScopusID: 2-s2.0-14844340850OAI: oai:DiVA.org:kth-8188DiVA: diva2:13443