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, 1990Ludwig Rebenfeld |
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Page 343
... energy develops through the change in the generally helical shape , through changes in crimp , and through changes in packing . However , under tensile ... energy of the helix TABLE I Strain Energy Comparisons MECHANICS OF STAPLE YARNS 343.
... energy develops through the change in the generally helical shape , through changes in crimp , and through changes in packing . However , under tensile ... energy of the helix TABLE I Strain Energy Comparisons MECHANICS OF STAPLE YARNS 343.
Page 344
... Energy Comparisons Decrimping energy of the fiber Packing energy of the fibers Tensile strain energy ( 2 % fiber strain ) UH / S Uc / S Up / s UT / S Energy ( J / m ) x 10-5 6.7 3.6 3.8 78.0 estimate the energy U , ( mainly bending ) ...
... Energy Comparisons Decrimping energy of the fiber Packing energy of the fibers Tensile strain energy ( 2 % fiber strain ) UH / S Uc / S Up / s UT / S Energy ( J / m ) x 10-5 6.7 3.6 3.8 78.0 estimate the energy U , ( mainly bending ) ...
Page 515
... Energy / Unit Thickness ( J / mm ) FIG . 11. CAI strength of composites at various energy levels . It is of interest to note the distinction of sensitivity to impact energy between 3 - D braided 0 ± 20 and 90 ± 20 composites ( this may ...
... Energy / Unit Thickness ( J / mm ) FIG . 11. CAI strength of composites at various energy levels . It is of interest to note the distinction of sensitivity to impact energy between 3 - D braided 0 ± 20 and 90 ± 20 composites ( this may ...
Contents
Technological Developments in ManMade Fibers and Related | 33 |
Morphology and Near T Behavior of High Performance Ultrahigh | 67 |
Properties Structures and Temperature Limitations | 87 |
Copyright | |
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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 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 finish fraction 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 shrinkage silicon carbide solvent specimen Spectra composite spinneret spinning speed strain rate stress structure surface Table take-up tenacity tensile strength tension Text textile thermal treated twist UHMWPE untreated values variability viscosity wettability X-ray diffraction yarn yarn strength