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Mostrando ítems 1-10 de 29
Artículo
Design for a cruciform coupon used for tensile biaxial transverse tests on composite materials
(Elsevier, 2017-06)
This paper focuses on the design of the appropriate geometry for cruciform coupons conceived to be tested under tensile biaxial transverse loads. To this end, Finite Element models were developed and their results were ...
Artículo
A study of the reproducibility and reliability of the musculo-articular stiffness of the ankle joint
(Elsevier, 2018-06)
The objective of this work was to evaluate the reproducibility, reliability and usefulness of the musculo-articular stiffness (MAS) of the ankle joint, measuring it by the free vibration technique. Seventeen (nine males ...
Artículo
Failure initiation criterion in bonded joints with composites based on singularity parameters and practical procedure for design purposes
(Tailor & Francis, 2015)
Composite to metal adhesively bonded joints generates critical points where geometry and material properties change abruptly. These points (multimaterial corners) are potential locations for failure initiation. There exist ...
Artículo
Premature failures in standard test specimens with composite materials induced by stress singularities in adhesive joints
(Elsevier, 2020-03)
This work presents three examples of standard test configurations, involving composite materials, where the presence of stress singularities induced by adhesive joints causes premature failures leading to underestimated ...
Artículo
A note on Pageau et al. (1994) results for the order of stress singularities in multimaterial junctions
(Elsevier, 2020-05)
In 1994, Pageau, Joseph and Biggers Jr. evaluated “The order of stress singularities for bonded and disbonded three-material junctions”. Their work represented an important finding on multimaterial corners, since their ...
Artículo
Riveted joints in composites, a practical tool to estimate stresses around the rivet hole
(Elsevier, 2021-05)
Riveted joints have different failure mechanisms, some associated to the failure of the rivet itself, and others associated to the materials to be joined. The failures associated to the material are mainly due to the stress ...
Artículo
Comparison of the shear behavior in graphite-epoxy composites evaluated by means of biaxial test and off-axis tension test
(De Gruyter Open Ltd, 2021-01)
Characterization of shear behavior in composite materials remains a not fully solved problem. In the last fifty years, many different approaches have been proposed to solve this problem (rail shear, thin-walled tube torsion, ...
Artículo
On the optimal choice of fibre orientation angle in off-axis tensile test using oblique end-tabs: Theoretical and experimental studies
(Elsevier, 2019-07)
Shear strength evaluation in composite materials still remains a not fully solved problem. One of most promising proposals to characterise a material in shear by means of a simple tensile test is the off-axis tension test ...
Artículo
Experimental observations of fatigue damage in cross-ply laminates using carbon/epoxy ultra-thin plies
(Elsevier, 2023-02-15)
The damage mechanisms of cross-ply laminates under fatigue loading have been deeply studied during last years. In the case of quasi-static loads the so-called scale effect has recently acquired renewed importance after the ...
Artículo
A review on failure theories and simulation models for adhesive joints
(Bellwether Publishing, Ltd., 2021)
In the framework of the Cost Action CERTBOND (Reliable roadmap for certification of bonded primary structures), a wide group of researchers from 27 European Countries have had the opportunity to work on the topic of ...