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Analysis of basswood sheet specimens under varied grain direction angles using Tsai-Wu criterion
Tazawa, Kazune Holt, Aiden
Tazawa, Kazune
Holt, Aiden
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2024-04-12
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Tazawa, Kazune; Holt, Aiden. 2024. Analysis of basswood sheet specimens under varied grain direction angles using Tsai-Wu criterion. -- In Proceedings: 23rd Annual Undergraduate Research and Creative Activity Forum. Wichita, KS: Wichita State University, p. 21.
Abstract
Wood sheets are fundamental materials in engineering applications, and their mechanical properties are influenced by the grain direction angle. In this study, basswood sheet specimens were tested at grain direction angles of 0°, 10°, 30°, 45°, and 90° to the loading direction.
The Tsai-Wu criterion, a widely adopted method for predicting composite material failure, was employed to analyze the mechanical behavior of the specimens. This criterion incorporates tensile and compressive strengths along different material directions.
By fitting experimental data to the Tsai-Wu model, the relationship between grain direction angle and mechanical properties was investigated. The aim was to gain insights into how wood sheets respond to varying loading conditions and fiber orientations. During experimental testing, an interesting observation was discovered that off-axis testing at 30˚ and 45˚ produces a negative Poisson’s ratio. The study contributes to understanding the mechanics of wood-based materials, offering a basis for optimizing their performance in engineering applications. Future research can build upon these findings to design wood structures resilient to diverse mechanical stresses.
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Presented to the 23rd Undergraduate Research and Creative Activity Forum (URCAF) held at the Rhatigan Student Center, Wichita State University, April 12, 2024.
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Wichita State University
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URCAF;v.23