## Science and technology of fibers and related materials: proceedings of the Fiber Society 50th Anniversary Technical Conference held in Princeton, New Jersey, August 19-23, 1990 |

### From inside the book

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Page 333

Collapsing

deformation is quite naturally split into the sum of a pure

dilation, where pure

invariant.

Collapsing

**Shear**If one uses the logarithmic strain tensor, an arbitrarydeformation is quite naturally split into the sum of a pure

**shear**and a puredilation, where pure

**shear**is the deformation which leaves the element of areainvariant.

Page 336

TENSILE FORCE

FORCE (v«) (b)

trellis, ...

TENSILE FORCE

**SHEAR**ANGLE \**SHEAR**STRESS (a) F/s = T/d T TENSILEFORCE (v«) (b)

**SHEAR**ANGLE ♢ = 2(74-C^24) I o o □ FIG. 7. Calculation of**shear**stress and**shear**strain from the applied force and displacement of thetrellis, ...

Page 338

The 15% bias extension limit therefore corresponds to 6 = 71°, i.e., a

of 19° [Fig. 8(b) ] . For

purpose of calculating yarn twist, we may take the warp and weft vector fields to ...

The 15% bias extension limit therefore corresponds to 6 = 71°, i.e., a

**shear**angleof 19° [Fig. 8(b) ] . For

**shear**angles of less than 19°, it is supposed that, for thepurpose of calculating yarn twist, we may take the warp and weft vector fields to ...

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### Contents

Technological Developments in ManMade Fibers and Related | 33 |

Morphology and Near Tm Behavior of High Performance Ultrahigh | 67 |

Properties Structures and Temperature Limitations | 87 |

Copyright | |

22 other sections not shown

### Common terms and phrases

1991 John Wiley 3-D braided acrylic fiber alginate fiber amorphous analysis angle Applied Polymer Symposium as-spun axial behavior bending recovery benzyl alcohol birefringence blend break carbon fibers cellulose chain cold drawing compression contact angle cotton fibers crystalline crystallization curve decrease deformation density determined developed diameter distribution DMDHEU draw ratio dye diffusion effect elongation energy experimental fabric failure fiber length fibers spun filament film finish frictional heat treatment impact increase Kevlar liquid m/min material matrix measured mechanical properties modulus molecular molecules nylon obtained orientation parameters PET fibers polyester polyester fibers Polymer Symposium 47 preforms recovery length sample scanning shape parameter shear shown in Figure silicon carbide solvent Spectra composite spinneret spinning speed strain rate stress structure surface Table take-up tenacity tensile tensile strength Text textile thermal treated twist UHMWPE untreated values variability viscosity wettability X-ray diffraction yarn