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Journal articles
Open Access
Recovery of Sulfur from Spent Semichemical Pulping Liquors,

Recovery of Sulfur from Spent Semichemical Pulping Liquors, 1991 Engineering Conference Proceedings

Journal articles
Open Access
Performance of High Vacuum Dewatering Elements in the Formin

Performance of High Vacuum Dewatering Elements in the Forming Section, 1993 Engineering Conference Proceedings

Journal articles
Open Access
Cold Blow Batch Cooking Plus Medium Consistency Oxygen: Heat

Cold Blow Batch Cooking Plus Medium Consistency Oxygen: Heat Exchanger Placement, 1993 Engineering Conference Proceedings

Journal articles
Open Access
Hydrodynamics of the Forming Section: The Origin of Nonunifo

Hydrodynamics of the Forming Section: The Origin of Nonuniform Fiber Orientation, 1994 Engineering Conference Proceedings

Journal articles
Open Access
Machine Vision Applications Using Binary and Grayscale Morph

Machine Vision Applications Using Binary and Grayscale Morphology, 1994 Engineering Conference Proceedings

Journal articles
Open Access
Model to Predict the Precipitation of Burkeite in the Multip

Model to Predict the Precipitation of Burkeite in the Multiple Effect Evaporator and Techniques for Controlling Scaling, 1995 Engineering Conference Proceedings

Journal articles
Open Access
Liquor-To-Liquor Differences in Combustion and Gasification

Liquor-To-Liquor Differences in Combustion and Gasification Processes: Nitrogen Oxide Formation Tendency, 1995 Engineering Conference Proceedings

Journal articles
Open Access
Hydrodynamic Pressure Generated by Doctoring in Blade Gap Fo

Hydrodynamic Pressure Generated by Doctoring in Blade Gap Formers, 1999 Engineering Conference Proceedings

Journal articles
Open Access
Editorial: Honoring the contributions of Dr. Mahendra Doshi

n this column, we would like to recognize the contributions to TAPPI and TAPPI Journal made by Dr. Mahendra Doshi, who passed away in April. A long-time member of TAPPI and a TAPPI Journal Editorial Board Member for many years, he is recognized for his research in screening system analysis, wax, and stickies removal in the field of recycling. Doshi was a pioneer in stickies classification and measurement methods for macro and micro stickies. During his career, he consulted with paper mills all over the world, providing mills with solutions for deinking, wax, stickies, yield, dirt count, and brightness.

Journal articles
Open Access
Exploratory study on how sub-ply fiber orientation affects t

ABSTRACT: The transition to 100% biobased packaging presents considerable challenges, particularly in the development of a petroleum-free barrier. Generally, biobased barriers exhibit lower flexibility compared to traditional barriers, thereby increasing the risk of cracking during the converting process. The present study examines the possibility of optimizing the substrate to reduce cracking in brittle barriers. Five three-ply composites were fabricated using commercial paperboard to enable a composite with different fiber orientation in the individual plies. The different orientations achieved varying mechanical properties, including strain-atbreak and folding resistance, with a ranking that is comparable to a standard multi-ply paperboard. The composites were subjected to creasing at five distinct depths to assess the area percent of barrier cracks across the crease bead. Micro-cracks appeared on the surface before larger coating cracks were registered. As expected, the area percent of barrier cracks increased significantly with greater creasing depths. The orientation of the bulky middle ply showed little difference in the cracking propensity. However, by replacing the stiffer bottom ply with a ply of lower stiffness, the cracking propensity was significantly reduced without a substantial loss in mechanical properties. Hence, these findings indicate that it is possible to reduce the cracks in the barrier by modifying the fiber orientation in the different plies.

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