Abstract
The interlaminar shear modulus of cardboards was measured using torsional vibration (TV) and flexural vibration (FV) methods. In the TV method, the sample widths were decreased during the tests, and the interlaminar and in-plane shear moduli were determined using the data obtained based on the different widths. By contrast, in the FV method, the resonance frequencies from the first to third FV modes were measured using samples of various lengths, and the interlaminar shear modulus and Young’s modulus in the length direction were calculated using Timoshenko’s vibration theory. In addition to the experiment, modal analyses based on the finite element (FE) method were performed, and the sample configurations used to accurately obtain the interlaminar shear modulus were experimentally and numerically investigated. The TV method did not allow the interlaminar shear modulus to be obtained appropriately because the vibration behavior often deviated from that theoretically derived by the TV equation. By contrast, the FV method allowed the interlaminar shear modulus to be obtained appropriately for a wide range of sample lengths.
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Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
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Research funding: None declared.
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Conflict of interest statement: The authors declare no conflicts of interest regarding this article.
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Articles in the same Issue
- Frontmatter
- Paper physics
- Out-of-plane uniaxial loading of paperboard: experimental procedure and evaluation
- Interlaminar shear modulus of cardboard obtained by torsional and flexural vibration tests
- Study on properties of paper coated with Stachys floridana Shuttlew. ex Benth hemicellulose – chitosan composite solution
- Analyses of the effects of fiber diameter, fiber fibrillation, and fines content on the pore structure and capillary flow using laboratory sheets of regenerated fibers
- Paper chemistry
- Preparation and application of epoxy cyclohexane/chitosan/methyl methacrylate composite material
- Chemical technology/modifications
- Caustic and enzymatic effects on dissolving pulp and its performance as specialty fiber
- Bleaching
- Microbial xylanase aided biobleaching effect on multiple components of lignocelluloses biomass based pulp and paper: a review
- Coating
- Effect of cellulose micro/nanofibrils and carboxylated styrene butadiene rubber coating on sack kraft paper
- Packaging
- The influence of creases on carton board package behavior during point loading
- Recycling
- Waste newspaper activation using sodium salts: a new perspective
Articles in the same Issue
- Frontmatter
- Paper physics
- Out-of-plane uniaxial loading of paperboard: experimental procedure and evaluation
- Interlaminar shear modulus of cardboard obtained by torsional and flexural vibration tests
- Study on properties of paper coated with Stachys floridana Shuttlew. ex Benth hemicellulose – chitosan composite solution
- Analyses of the effects of fiber diameter, fiber fibrillation, and fines content on the pore structure and capillary flow using laboratory sheets of regenerated fibers
- Paper chemistry
- Preparation and application of epoxy cyclohexane/chitosan/methyl methacrylate composite material
- Chemical technology/modifications
- Caustic and enzymatic effects on dissolving pulp and its performance as specialty fiber
- Bleaching
- Microbial xylanase aided biobleaching effect on multiple components of lignocelluloses biomass based pulp and paper: a review
- Coating
- Effect of cellulose micro/nanofibrils and carboxylated styrene butadiene rubber coating on sack kraft paper
- Packaging
- The influence of creases on carton board package behavior during point loading
- Recycling
- Waste newspaper activation using sodium salts: a new perspective