3—the Effect of Rate of Extension on the Tensile Behaviour of Viscose and Acetate Rayons, Silk and Nylon

Meredith, R.

doi:10.1080/19447025408662629

Cited by 59 publications

(22 citation statements)

References 11 publications

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“…Schiefer et al [75], using the sare rapid impact techniques, and before them, Peirce [65] and ot1-rs [43,54] using lower speeds, have found the same effect on wide variety of fiber types. Petterson, Stewart et al [67,69], pith their ballistic techniques which produce initial rates of btraining in the order 10 6 %•/sec., have thrown further light on t6e influence of the rate of straining on thestress-strain behavior of textile materials.…”

Section: +E V+mentioning

confidence: 99%

“…His sample was a monofil produced with a draw ratio of about 5.5/1, and having a linear density of about 8.1 tex (73 den.). In measurements at room temperature (20 0 C.) he employed strain rates ranging from 3.3 x 10-4 to 4.9 x 10 2 /sec., using the apparatus of both Meredith [54] and Holden [31], as well as conventional testers.…”

Section: Linear Structuresmentioning

confidence: 99%

“…-The apparatus used by Meredith [54], to obtain constant rates of extension from 20 to 1000%/sec., in 13-cm. specimens of yarns, is shown in Fig.…”

mentioning

confidence: 99%

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Impact Phenomena in Textiles

Lyons¹

1962

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Section: +E V+mentioning

confidence: 99%

Section: Linear Structuresmentioning

confidence: 99%

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Impact Phenomena in Textiles

Lyons¹

1962

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“…Meredith [3] has obta ined evidence th at at high rates of straining th e load-extension curves of some materials b ecom e more Hookean . These formulas thus assume considerable importance and by m ean s of eq (18) , estimates of the cri tical velocities of yarns m ay be computed from their tenacities and elongations at rupture un der impact testing condit ions.…”

Section: At T = O E= O and Dementioning

confidence: 99%

“…3 T he fo rce on the tail due to air fri ct io n was calc ulated to be a pprox imately 1 percent of the yarn tension .…”

Section: Theorymentioning

confidence: 99%

Stress-strain relationships in yarns subjected to rapid impact loading: 2. Breaking velocities, strain energies, and theory neglecting wave propagation

McCrackin¹,

Schiefer²,

Smith³

et al. 1955

J. RES. NATL. BUR. STAN.

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The behavior of a yarn specimen fastened at one end t o a h ead mass and at t he o ther end t o a small tail mass is anal yzed for longitudinal impact of t he specimen at t he head. Th e a nalys is leads to a basic formula for " limi ting breaking velocity," which is a cha racteristic property of t he ma terial a nd independent of t he dim ensions of t he sp ecimen. A simple pTo cedure is described for ob taining its value. The values for cotto n, ny lo n, and undra wn ny lon yarns tes ted at room temperat ure are fou nd to be 130, 228, a nd 550 m eters per seco nd, respective ly. The practical app li catio n of t he limit ing break ing ve loci ty to safety enginee ri ng is shown by a n exampl e on safety lines. FonTIul as aTe d eriv ed for co mput ing energy to a n.v stra in und er impact loadin g, a nd t he co mpu ted values are found to a gr ee wi t h t hose ob tain ed fr om t he a rea under the im pact load-extens ion curves.

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Effect of fine structure on fatigue resistance property of poly(ethylene terephthalate) tire cord fibers

Cho

Lee

Bang

2000

J. Appl. Polym. Sci.

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Seven experimental poly(ethylene terephthalate) (PET) fibers were spun and then drawn under different processing conditions (i.e., spinning speed and draw ratio) in such a way that the fibers possessed different long periods but retained the same crystal structure. Wide angle X‐ray diffraction, small angle X‐ray scattering, loss modulus, initial modulus, and taut tie molecules measurements were used to characterize the fine structure and the physical property of the fibers. The influence of the fine structure on the extensional fatigue behavior of the PET fibers was studied by subjecting them to 120–180 rpm at a repeated extension at 104–106 cycles. In order to detect the molecular motion of PET with the extensional fatigue, we carried out differential scanning calorimetry, X‐ray diffraction, density, and thermoluminescence (TL) experiments. The high temperature TL (above room temperature) intensity decreased with a 104 cycle extension but increased with a 105 cycle extension. The extent of change in the TL intensity was found to be a function of the long period and loss modulus. © 2000 John Wiley & Sons, Inc. J Appl Polym Sci 78: 90–100, 2000

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3—the Effect of Rate of Extension on the Tensile Behaviour of Viscose and Acetate Rayons, Silk and Nylon

Cited by 59 publications

References 11 publications

Impact Phenomena in Textiles

Impact Phenomena in Textiles

Stress-strain relationships in yarns subjected to rapid impact loading: 2. Breaking velocities, strain energies, and theory neglecting wave propagation

Effect of fine structure on fatigue resistance property of poly(ethylene terephthalate) tire cord fibers

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