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Stress relaxation behavior of short kevlar fiber‐reinforced thermoplastic polyurethane
Author(s) -
Kutty Suni L. K. N.,
Nando Golo K. B.
Publication year - 1991
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.1991.070420705
Subject(s) - materials science , composite material , kevlar , stress relaxation , thermoplastic polyurethane , polyurethane , fiber , thermoplastic , relaxation (psychology) , glass fiber , epoxy , elastomer , psychology , social psychology , creep
Stress relaxation behavior of short Kevlar fiber‐reinforced thermoplastic polyurethane (TPU) is studied with respect to strain level, strain rate, fiber loading, and fiber orientation and temperature. The existence of a two‐step relaxation mechanism for unfilled stock and a three‐stage relaxation mechanism for the fiber‐filled stock is reported.