Tensile mechanics of braided sutures

Rawal, Amit; Kumar, R.; Saraswat, Harshvardhan

doi:10.1177/0040517512445340

Cited by 44 publications

(31 citation statements)

References 18 publications

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“…Indeed, a rise in the CR corresponds to a decrease in the braiding angle. This is clearly shown in Table 3 and it was also reported by Alpyildiz, who studied the geometry of tubular braids, and Rawal et al, who studied mechanical properties of braided sutures [28,29]. …”

Section: Effect Of the Manufacturing Parameters On The Braided Prosthsupporting

confidence: 75%

Optimization of polyester–elastane-braided ligaments performances

Turki

Marzougui

Abdessalem

2015

Journal of Industrial Textiles

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A successful prosthesis has to emulate physiological and biomechanical performances of the native ligament. Today, there is no ideal artificial ligament that simulates the performances of the human anterior cruciate ligament. This work aims to study the impact of the braiding parameters on ligaments mechanical performances. The braiding parameters include yarn count, braid architecture, and machine settings (take-up speed). Two braided architectures were designed: a biaxial quadruple braid and a triaxial quadruple one incorporating elastane. Mechanical properties of these structures were measured and compared to those of the natural ligaments. Elastic recovery under traumatic force was studied in order to compare the elasticity of the manufactured samples. The obtained results showed that the elastic recovery was improved with the incorporation of elastane filaments and prostheses mechanical properties match closely those of the native anterior cruciate ligament. Finally, a response surface methodology was used to predict and optimize the prostheses mechanical properties.

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Section: Effect Of the Manufacturing Parameters On The Braided Prosthsupporting

confidence: 75%

Optimization of polyester–elastane-braided ligaments performances

Turki

Marzougui

Abdessalem

2015

Journal of Industrial Textiles

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“…For the bi-axial overbraided sleeve, which is modelled as an orthotropic shell, the homogenisation procedure for the elastic properties of over-braided sleeves is relatively complicated as the properties of the braid will be different from the properties of the individual fibre tows used to produce the braid architectures. There are several experimental and analytical studies conducted on braided structures [19][20][21][22][23], especially with regard to biaxial braided sleeves with and without a core. However, none of them can directly be employed to predict homogenised properties that can represent the over-braided sleeve as an equivalent orthotropic shell for the current multi-scale analysis.…”

Section: Multi-scale Modelling Methodologymentioning

confidence: 99%

Hybrid composite tensile armour wires in flexible risers: A multi-scale model

Gautam

Katnam

Potluri

et al. 2017

Composite Structures

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Please cite this article as: Gautam, M., Katnam, K.B., Potluri, P., Jha, V., Latto, J., Dodds, N., Hybrid Composite Tensile Armour Wires in Flexible Risers: A Multi-scale Model, Composite Structures (2016), doi: http://dx.doi.org/ 10. 1016/j.compstruct.2016.11.090 This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. comprising of hexagonally packed polymer composite rods with uni-directional fibres and an over-braided (i.e. bi-axial braid with high performance fibres) sleeve. These hybrid composite wires offer opportunities to tailor their mechanical properties by varying the geometrical (e.g. rod diameter, packing) and processing parameters (e.g. material selection, braid pattern) involved. In order to understand the mechanical behaviour of these hybrid composite armour wires, this paper presents a multi-scale model developed by using a combined analytical-computational approach. The multi-scale model is developed to predict the torsional and flexural behaviour of the hybrid composite wires; and the role of over-braid structural parameters, pretension and internal friction are investigated. The behaviour of the multiscale model is found to be in good agreement with the experimentally observed behaviour. After validating the multi-scale model with the experimental data available for specific configurations, parametric studies are conducted on the torsional and flexural behaviour of the hybrid composite wires to study the role of internal friction between un-bonded components and the braid tow tension in the over-braided sleeves.

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“…The models also showed that the diameter of the braided structures decreases with increase in length. Rawal et al [11] studied the tensile properties of braided structures based on braid geometry, braid kinematics, and constituent monofilament properties, taking into account the changes in the braid geometry, including braid angle, diameter, and Poisson's ratio. They established that both the both braid angle and diameter are found to be critical design parameters to the model of jamming state of mono filaments.…”

Section: Introductionmentioning

confidence: 99%

Analysis of parameters influencing the jamming effect in circular braids

Ochola¹,

Malengier²,

Githaiga³

et al. 2016

WIT Transactions on the Built Environment

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Circular braids are tubular fabrics constructed using a set of helically winding yarns in a circular clockwise and counter-clockwise direction. Circular braided structures exhibit the behavior of rearranging on extension along the longitudinal axis. In this paper, a 3D model of a circular braided structure was developed using generic python, and rendered on ABAQUS ® . A uniaxial tension was induced to the structure at different load values and the extension of the model analysed before and after the jamming state. The models were validated using experimental data and linear regression analysis to study the force-extension relationship during structural deformations in a braided structure. A linear regression model of the relationship between the peak force (y) and the tensile extension (x 1 was developed using linear regression at 95% confidence level. The multiple correlation coefficients (R) indicating a measure of the quality of the prediction of the dependent variable was established as 0.896, for the model, this indicates a good level of prediction. The R 2 value (also called the coefficient of determination) was 0.803, this was the proportion of variance in the dependent variable that could be explained by the independent variables (technically, it is the proportion of variation accounted for by the regression model above and beyond the mean model). Therefore in this model the independent variables explained 80.3% of the variability of our dependent variable, maximum load (y). The extension (x 1 ) of the braided structure was found to have a significant impact on the model.

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Tensile mechanics of braided sutures

Cited by 44 publications

References 18 publications

Optimization of polyester–elastane-braided ligaments performances

Optimization of polyester–elastane-braided ligaments performances

Hybrid composite tensile armour wires in flexible risers: A multi-scale model

Analysis of parameters influencing the jamming effect in circular braids

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