A laminated plate model of an adhesive-bonded taper-taper joint under tension

Article Abstract:

A model for analyzing the strain-stress distributions in an adhesive-bonded taper-taper joint between two composite flat plates under tension loading was developed using first-order laminated plate theory with a correction for traverse shear deformation effects. The model consists of 18 linear, coupled first-order differential equations with variable coefficients. A linear Shooting Method was used to numerically test the model. Results have shown that the analytical model can calculate the peak peel and shear stresses within five to eight percent.

Research, Models, Deformations (Mechanics), Deformation, Plates (Engineering), Metal plates (Building materials)

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Stress-strain analysis of single-lap composite joints under tension

Article Abstract:

A novel analytical model determines stress and strain distributions in adhesive-bonded composite single-lap joints under tension. The model is based on the laminated anisotropic plate theory and can give closed-form solutions for stress distributions of the laminates and the adhesive. The governing equations of the two bonded laminates can be derived using the anisotropic plate theory. These solutions correlate with the solutions obtained from finite element model.

Anisotropy, Engineering models

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Correlation of tensile and bending strength of composites with a circular hole

Article Abstract:

A correlation of strengths of orthotropic plates having a circular hole under tension and bending is suggested. This is based on Lekhnitskii's solutions for infinite wide plates. Finite element analysis (FEA) is used to ascertain theoretical correlation. Uniaxial tension and four-point bending tests are also performed on Scotchply samples with circular holes of different sizes. A good agreement is found between the theoretical, FEA and experimental findings.

Composite materials, Strength of materials, Strength (Materials)

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