Analysis of failure criteria applied to wood

Mascia, Nilson Tadeu; Simoni, Renan A.

doi:10.1016/j.engfailanal.2013.07.001

Cited by 37 publications

(19 citation statements)

References 4 publications

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“…Based on strength values from standard testing, a brittle failure criterion can be applied. In a comparison of different failure models, Mascia and Simoni (2013) found a good agreement of the Tsai-Wu failure criterion with results from biaxial compression tests of two Brazilian wood species. Following this work, the Tsai-Wu criterion was applied in this study to describe multidimensional strength of the VL.…”

Section: Tsai-wu Failure Surfacementioning

confidence: 65%

Experimental analysis of the forming behavior of ash wood veneer with nonwoven backings

et al. 2020

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In the present study, the forming behavior of veneer with nonwoven backings was analyzed. The paper contributes to the lack of data on numerical predictions of the formability of veneers for the manufacturing of automotive trim parts. Tensile and shear tests were carried out at normal climate conditions and after water immersion to obtain material parameters for a transverse isotropic material description. The Tsai Wu failure criterion was applied to the estimation of strength under different stress combinations. Analysis of the directional deep drawing capacity of the veneer laminate was done by the Nakajima test. Stress states from biaxial to uniaxial were induced into the material depending on the geometry of the sample. Strains were evaluated locally until material failure using the digital image correlation method. Major strain was defined in the direction perpendicular to the grain. Increasing major strain was found from biaxial to uniaxial stress states. Highest strain limits were found for wet veneers tested with heated forming tools. Cracks occurred in the early wood zone for all geometries and propagated in the direction parallel to the grain. Generally, the Nakajima test is suitable for the evaluation of the formability of veneer laminate sheets. The presented data and, in general, the suggested experimental program can be used for the development and validation of veneer laminate material models for forming simulations.Publisher's Note Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.

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Section: Tsai-wu Failure Surfacementioning

confidence: 65%

Experimental analysis of the forming behavior of ash wood veneer with nonwoven backings

et al. 2020

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“…Some authors compared different failure criteria applied to wood. Although Mascia and Simoni [30] obtained similar results for Tsai-Hill, Tsai-Wu and Hoffman curves, the prediction of failure depends of the stress state [31] and the high variability of wood mechanical properties and unknown correlation between strength tensor components are limitations [32]. In addition, the choice should be taken according to the computational complexity and the necessities in the failure identification [33].…”

Section: Bendingmentioning

confidence: 99%

Modeling the influence of delamination on the mechanical performance of straight glued laminated timber beams

Gaspar

Cruz

Gomes

2015

Construction and Building Materials

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“…Specimens with the angle of 0°and 90°yield tensile strength parallel and perpendicular to the grain, respectively. The off-axis tensile test has been involved in numerous studies, especially in those related to the complex problem of determining shear strength of wood [6][7][8][9][10] or the applicability of failure criteria for a specific wood species [11,12].…”

Section: Introductionmentioning

confidence: 99%

Comparison of Failure Criteria for Wood in Tensile-Shear Stress State

Šmídová

Kabele

2017

APP

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Abstract. An orthotropic failure criterion enhancing the Lourenco s criterion by a shear strength multiplier and a maximum shear strength upper bound has been recently proposed and validated for timber under tensile and shear loading by the authors. The paper discusses its applicability for predicting strength in comparison with Tsai-Hill criterion, Hankinson s and Hyperbolic formula applying the two above mentioned enhancements of the Lourenco s criterion. Experimental data available in the literature for off-axis tensile and shear test of Sitka spruce (Picea sitchensis Carr.), Katsura (Cercidiphyllurn japonicurn Sieb. and Zucc.), Douglas fir (Pseudotsuga menziesii), Douglas fir laminated veneer and Cupiúba (Goupia glabra) are used for the purpose of this study.

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Analysis of failure criteria applied to wood

Cited by 37 publications

References 4 publications

Experimental analysis of the forming behavior of ash wood veneer with nonwoven backings

Experimental analysis of the forming behavior of ash wood veneer with nonwoven backings

Modeling the influence of delamination on the mechanical performance of straight glued laminated timber beams

Comparison of Failure Criteria for Wood in Tensile-Shear Stress State

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