Report From Committee on Higher Education--Professional and Technical Instruction in the University

Butler, Nicholas Murray

doi:10.1037/e597362010-091

Cited by 1 publication

(4 citation statements)

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“…The key parameters in the bridging law are the initial stiffness in the linear-elastic part and the yield load. Since the double-lap joint is mainly under the shear load (mode-II), the pin's bridging law used in the models presented in this paper was based on the single-pin mode-II test [38]. Three experiments were performed in [38] and with a FE model in [39].…”

Section: Single-pin Modelmentioning

confidence: 99%

Section: Single-pin Modelmentioning

confidence: 99%

“…Since the double-lap joint is mainly under the shear load (mode-II), the pin's bridging law used in the models presented in this paper was based on the single-pin mode-II test [38]. Three experiments were performed in [38] and with a FE model in [39]. Considering the To implement this nonlinear traction-separation law in the FE model of the joint, a governing equation in terms of pin stress versus crack displacement is deduced from the measured pin force:…”

Section: Single-pin Modelmentioning

confidence: 99%

“…Since the double-lap joint is mainly under the shear load (mode-II), the pin's bridging law used in the models presented in this paper was based on the single-pin mode-II test [38]. Three experiments were performed in [38] and with a FE model in [39]. Considering the variability in the measured bridging curves in the nonlinear response part (i.e., large scatter for the ultimate load), only the linear-elastic part (the initial stiffness) and the yield load were considered an accurate representation of the pin's bridging law, i.e., as the key parameters, which were used in the model in this paper.…”

Section: Single-pin Modelmentioning

confidence: 99%

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A Finite Element Model for Predicting the Static Strength of a Composite Hybrid Joint with Reinforcement Pins

et al. 2023

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This paper presents a finite element model for predicting the performance and failure behaviour of a hybrid joint assembling fibrous composites to a metal part with reinforcement micro pins for enhancing the damage tolerance performance. A unit-strip model using the cohesive elements at the bond interface is employed to simulate the onset and propagation of debonding cracks. Two different traction–separation laws for the interface cohesive elements are employed, representing the fracture toughness properties of the plain adhesive bond and a pin-reinforced interface, respectively. This approach can account for the large-scale crack-bridging effect of the pins. It avoids using concentrated pin forces in the numerical model, thus removing mesh-size dependency, and permitting more accurate and robust computational analysis. Lap joints reinforced with various pin arrays were tested under quasi-static load. Predicted load versus applied displacement relations are in good agreement with the test results, especially for the debonding onset and early stage of crack propagation.

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Section: Single-pin Modelmentioning

confidence: 99%

Section: Single-pin Modelmentioning

confidence: 99%

Section: Single-pin Modelmentioning

confidence: 99%

“…Since the double-lap joint is mainly under the shear load (mode-II), the pin's bridging law used in the models presented in this paper was based on the single-pin mode-II test [38]. Three experiments were performed in [38] and with a FE model in [39]. Considering the variability in the measured bridging curves in the nonlinear response part (i.e., large scatter for the ultimate load), only the linear-elastic part (the initial stiffness) and the yield load were considered an accurate representation of the pin's bridging law, i.e., as the key parameters, which were used in the model in this paper.…”

Section: Single-pin Modelmentioning

confidence: 99%

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