Determination of internal mechanical characteristics of woven fabrics using the force-balance analysis of yarn pullout test

Valizadeh, Masoumeh; Ravandi, Seyed Abdolkarim Hosseini; Salimi, M.; Sheikhzadeh, Mohammad

doi:10.1080/00405000701567712

Cited by 33 publications

(28 citation statements)

References 14 publications

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“…This fiber drawing test is motivated, in reference to an existing material testing where an actual fiber (such as cotton fiber with diameter of several micrometers) is extracted from a woven textile sheet [19].…”

Section: Fiber Drawing Test For Cnf-mf Modelsmentioning

confidence: 99%

Structure and Mechanical Behavior of Cellulose Nanofiber and Micro-Fibrils by Molecular Dynamics Simulation

Saitoh¹,

Ohno²,

Matsuo³

2013

SNL

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Cellulose nanofiber (CNF) and CNF micro-fibrils (CNF-MFs) are computationally modeled by molecular dynamics with united atom (UA) methodology of polymers. Structural stability and mechanical properties of these materials are focused on. Diffusion coefficient decreases with increase of the number of shells in CNF-MF. The structure of CNF-MFs with crystalline alignment is totally stabilized with twist which is an accumulation of torsion angles at Glycosidic bonds between monomers inside CNFs. Unique fiber drawing simulation, where a single CNF fiber is taken out of CNF-MF structure, is first conducted. The CNF fiber which is drawn out stretches up to relatively large strain, with linear increase of tensile stress. The computation results show that, the larger the number of shell structure of CNF-MF is, the larger the stretch and the stress of drawn fibers are.

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Section: Fiber Drawing Test For Cnf-mf Modelsmentioning

confidence: 99%

Structure and Mechanical Behavior of Cellulose Nanofiber and Micro-Fibrils by Molecular Dynamics Simulation

Saitoh¹,

Ohno²,

Matsuo³

2013

SNL

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“…( ). This relationship, detailed elsewhere [26], was employed to analyze the fragmentation strength of the data.…”

Section: Single Fiber Fragmentation Testingmentioning

confidence: 99%

“…Single fiber segmentation testing was based upon the detailed work of Feih et al [26]. Single aramid fibers were placed in a silicone rubber mold and pretensioned to 15 g. The molds were then filled with a 100:16.9 mixture of Epon 862/Epikure 9553 (Hexion, Houston, TX) and gelled for overnight.…”

Section: Single Fiber Fragmentation Testingmentioning

confidence: 99%

“…By measuring the degree of deformation of the fabric during the tow pullout test they could predict crucial parameters in the pullout behavior such as the weave angle variations, the yarn-to-yarn friction coefficient, the normal load in crossovers, the lateral forces, and the opposed yarn strain within the fabric. 26 Rao et al performed tow pullout test on Kevlar KM2 fabric and tows to calculate the friction coefficient and used it to predict the ballistic impact properties of the fabric. 27 Sadegh et al studied the influence of yarn crimp on the ballistic impact resistance.…”

Section: Part 2 Soft Armor Testingmentioning

confidence: 99%

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STIR: Tailored Interfaces for High Strength Composites Across Strain Rates

Sodano¹

2013

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The public reporting burden for this collection of information is estimated to average 1 hour per response, including the time for reviewing instructions, searching existing data sources, gathering and maintaining the data needed, and completing and reviewing the collection of information. The objective of this STIR research effort was to study the influence of nanostructured interfaces in the interfacial behavior of polymer fiber reinforced composites such that lightweight materials can be designed for both structural and ballistic performance. To achieve this objective a nanostructured interface has been be grown on the fiber surface using a process recently developed by the PI. This process allows for growth at low temperature, which preserves the fiber strength and makes the growth compatible with polymer fibers. This is the first technique for ABSTRACTThe objective of this STIR research effort was to study the influence of nanostructured interfaces in the interfacial behavior of polymer fiber reinforced composites such that lightweight materials can be designed for both structural and ballistic performance. To achieve this objective a nanostructured interface has been be grown on the fiber surface using a process recently developed by the PI. This process allows for growth at low temperature, which preserves the fiber strength and makes the growth compatible with polymer fibers. This is the first technique for the growth of a reinforcing whisker or nanowire on polymer fibers. The nanowire growth process is highly controllable and acts to enhance the load transfer between the matrix and fiber while also providing out of plane reinforcement. The controllable nanowire growth offer a means for optimizing the interfacial properties such that an ideal material response can be obtained at both high and low strain rates. In addition to control of the nanowire morphology and load transfer, the adhesive bond between the brittle nanowires and the tough Kevlar fiber was varied such that under impact the interface releases the fiber to absorb the ballistic energy. (c) Presentations

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“…There was a high correlation between yarn pull-out force, the intensity of thread interaction at the crossing points and the strength of fabric in the warp and weft directions [8,9]. The pull-out test was developed as a method of providing useful information about fabric mechanics, the finishing efficiency and its frictional behaviour [10].…”

Section: Introductionmentioning

confidence: 99%

Effect of Fabric Weave on Stick-Slip Properties of Woven Fabrics

Bilişik

2014

Autex Research Journal

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The aim of this study was to understand the stick-slip properties of dry polyester plain, ribs and satin woven fabric weaves. It was found that the amount of stick-slip force was related to the number of interlacement points in the fabric, whereas the amount of accumulative retraction force was related to fabric structural response. Stick-slip force and accumulative retraction force depend on fabric weave, fabric density, the number of pulled ends in the fabric and fabric sample dimensions. The weft directional single and multiple yarn stick-slip and accumulative retraction forces of dry plain fabrics in fabric edge and centre regions were higher than those in the satin fabric due to fabric weave. In addition, the warp directional single and multiple yarn stick-slip and accumulative retraction forces in the meso-cell-1 to the meso-cell-6 of dry wide and long satin fabric in fabric edge were higher than those in the weft direction due to fabric density. Stick-slip and accumulative retraction forces of polyester fabric in the multiple yarn pull-out test were higher than those of the single yarn pull-out test.

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Determination of internal mechanical characteristics of woven fabrics using the force-balance analysis of yarn pullout test

Cited by 33 publications

References 14 publications

Structure and Mechanical Behavior of Cellulose Nanofiber and Micro-Fibrils by Molecular Dynamics Simulation

Structure and Mechanical Behavior of Cellulose Nanofiber and Micro-Fibrils by Molecular Dynamics Simulation

STIR: Tailored Interfaces for High Strength Composites Across Strain Rates

Effect of Fabric Weave on Stick-Slip Properties of Woven Fabrics

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