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Journal articles
Magazine articles
Open Access
Z-directional testing of paperboard in combined tensile and compression loading, TAPPI Journal May 2024

ABSTRACT: The out-of-plane properties of paperboard are important in several converting applications such as printing, sealing, creasing, and calendering. A juxtaposed tensile and compression curve in the z direction (ZD) will, however, appear to have a kink or discontinuity at 0 stress. The purpose of the present work is to capture the continuous transition between tension and compression and to increase the understanding of the complex ZD properties of paperboard by cyclic testing. In this attempt to unify the ZD tensile and compressive behavior of paperboard, samples were laminated to the testing platens using heat seal laminate film. The method for adhering the samples was compared to samples that were laminated and glued to the testing platens. The edge effects of the cutting method were evaluated in compression testing with samples not attached to the testing platens. The flat slope seen in the initial part of the pure compression curve disappeared when the samples were laminated to the testing platens. The flat slope was instead replaced by a continuous response in the transition across 0 N. The stiffness in the transition region resembled the response in tensile testing. When the testing is cycled, the material exhibits a history dependence. Starting the cycle in either compression or tensile will show an effect on the stiffness at the transition, as well as the compressive stiffness. However, the ultimate tensile strength is unaffected.

Journal articles
Magazine articles
Open Access
Utilization of Areca leaf residues for sustainable production of greyboard, TAPPI Journal May 2024

ABSTRACT: This study primarily focused on the production of greyboard using waste materials from small scale industries, and specifically using Areca leaf waste fibers as a sustainable and environmentally friendly resource. Areca leaf waste fibers were employed as the primary raw material for greyboard manufacturing. The resulting greyboard exhibited commendable properties, including a tear index of 7.53 mN·m2/g, tensile index of 18.34·N·m/g (i.e., breaking length of 1870 m), burst factor of 9.24 (gf/cm2)/(g/m2) and stiffness factor of 33.1. This greyboard was created through a series of steps, including hydrothermal treatment of the material at 155°C and mechanical pulping refinement. The produced greyboard met the specifications outlined in the Indian Standard 2617 (1967) for greyboard. The key objective of this work was to leverage agricultural waste resources to develop a chemical-free greyboard, resulting in reduced waste disposal in open fields and a decrease in chemical usage within the greyboard manufacturing industry. Various characterization techniques, including field emission scanning electron microscopy (FE-SEM), attenuated total reflection•Fourier transform infrared (ATR-FTIR) analysis, and X-ray diffraction (XRD), were used to assess the fiber quality, including aspects such as functional groups, morphology, and crystallinity for the materials used in the manufacturing process.

Magazine articles
Open Access
Moulin vieux maintains heritage of france's grenoble-Isere papermaking region, TAPPI JOURNAL, June 1997, Vol. 80(6)

Moulin vieux maintains heritage of france's grenoble-Isere papermaking region, TAPPI JOURNAL, June 1997, Vol. 80(6)

Magazine articles
Open Access
A reliable method to improve fabric life, TAPPI JOURNAL, March 1997, Vol. 80(3)

A reliable method to improve fabric life, TAPPI JOURNAL, March 1997, Vol. 80(3)

Magazine articles
Open Access
Predicting boiler emissions with neural networks, TAPPI JOURNAL, May 1997, Vol. 80(5)

Predicting boiler emissions with neural networks, TAPPI JOURNAL, May 1997, Vol. 80(5)

Magazine articles
Open Access
Construction project safety planning, TAPPI JOURNAL, November 1997, Vol. 80(11)

Construction project safety planning, TAPPI JOURNAL, November 1997, Vol. 80(11)

Magazine articles
Open Access
Photographic life-prediction matrix for forming fabrics, TAPPI JOURNAL, November 1997, Vol. 80(11)

Photographic life-prediction matrix for forming fabrics, TAPPI JOURNAL, November 1997, Vol. 80(11)

Magazine articles
Open Access
Industry leaders: mead faces 21st century with productivity, positioning as key strategies, TAPPI JOURNAL, October 1997, Vol. 80(10)

Industry leaders: mead faces 21st century with productivity, positioning as key strategies, TAPPI JOURNAL, October 1997, Vol. 80(10)

Magazine articles
Open Access
Recycling 'low value' post-consumer fibers to improve quality and reduce costs, TAPPI JOURNAL, September 1997, Vol. 80(9)

Recycling 'low value' post-consumer fibers to improve quality and reduce costs, TAPPI JOURNAL, September 1997, Vol. 80(9)

Magazine articles
Open Access
On management: effective scheduling: a key management tool, TAPPI JOURNAL, April 1998, Vol. 81(4)

On management: effective scheduling: a key management tool, TAPPI JOURNAL, April 1998, Vol. 81(4)

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