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Journal articles
Magazine articles
Open Access
Creasing severity and reverse-side cracking, TAPPI Journal April 2020

ABSTRACT: Crease cracking can be detrimental to the functionality and appearance of paperboard-based packaging. The effect of creasing severity on the degree of reverse-side crease cracking (bead-side of the crease) of paperboard was investigated. Samples were creased with a range of rule and channel geometries, and the cracking degree was quantified as the percent of cracked length relative to the total length of the crease. The cracking degree was typically below 5% at low crease penetration depths, but was exponentially higher beyond a critical penetration depth. A rule and channel combination with a wider clearance shifted the critical depth to larger values. The creasing severity parameter, termed the creasing draw, converged the cracking degree data from different rule and channel combinations to a single curve. The creasing draw was derived from the same analytical expres-sions as the transverse shear strain and quantifies the length of paper that is drawn into the channel during creasing. The critical draw is defined as the draw at which cracking becomes greater than 5%, which corresponds with the point at which cracking becomes exponential. The critical draw is a material/system parameter that defines the level below which cracking is minimal.

Journal articles
Open Access
Static control methods in hazardous areas in converting operations, TAPPI JOURNAL, February 1995, Vol. 78(2)

Static control methods in hazardous areas in converting operations, TAPPI JOURNAL, February 1995, Vol. 78(2)

Journal articles
Open Access
Linerboard drying on a sheet-fed pilot impulse drying shoe press, TAPPI JOURNAL, January 1995, Vol. 78(1)

Linerboard drying on a sheet-fed pilot impulse drying shoe press, TAPPI JOURNAL, January 1995, Vol. 78(1)

Journal articles
Open Access
The influence of coating structure on the ink receptivity and print gloss of model clay coatings, TAPPI JOURNAL, January 1995, Vol. 78(1)

The influence of coating structure on the ink receptivity and print gloss of model clay coatings, TAPPI JOURNAL, January 1995, Vol. 78(1)

Journal articles
Open Access
Drying with two radial jets: development of radial Jet reattachment drying arrays, TAPPI JOURNAL, July 1995, Vol. 78(7)

Drying with two radial jets: development of radial Jet reattachment drying arrays, TAPPI JOURNAL, July 1995, Vol. 78(7)

Journal articles
Open Access
Pilot scale investigation of infrared drying of paper, TAPPI JOURNAL, July 1995, Vol. 78(7)

Pilot scale investigation of infrared drying of paper, TAPPI JOURNAL, July 1995, Vol. 78(7)

Journal articles
Open Access
Efficient drying of sludges, TAPPI JOURNAL, July 1995, Vol. 78(7)

Efficient drying of sludges, TAPPI JOURNAL, July 1995, Vol. 78(7)

Journal articles
Open Access
Effect of lignin content on ozone bleaching at medium consistency, TAPPI JOURNAL, June 1995, Vol. 78(6)

Effect of lignin content on ozone bleaching at medium consistency, TAPPI JOURNAL, June 1995, Vol. 78(6)

Journal articles
Open Access
On-line zeta potential analyses of a fine paper machine and a newsprint paper machine, TAPPI JOURNAL, March 1995, Vol. 78(3)

On-line zeta potential analyses of a fine paper machine and a newsprint paper machine, TAPPI JOURNAL, March 1995, Vol. 78(3)

Journal articles
Open Access
Fiber fractionation as a method of improving handsheet properties after repeated recycling, TAPPI JOURNAL, May 1995, Vol. 78(5)

Fiber fractionation as a method of improving handsheet properties after repeated recycling, TAPPI JOURNAL, May 1995, Vol. 78(5)

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