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Chain relaxation capability and service life of polymeric materials
Author(s) -
Brostow Witold
Publication year - 1991
Publication title -
makromolekulare chemie. macromolecular symposia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.257
H-Index - 76
eISSN - 1521-3900
pISSN - 0258-0322
DOI - 10.1002/masy.19910410111
Subject(s) - creep , materials science , service life , stress relaxation , relaxation (psychology) , polymer , composite material , structural engineering , stress (linguistics) , chain (unit) , dynamic relaxation , competition (biology) , forensic engineering , mechanics , engineering , physics , psychology , social psychology , ecology , linguistics , philosophy , astronomy , biology
Behavior of polymers in creep, stress relaxation, stress‐strain curve determination, impact tests and under dynamic periodic loads are analyzed. Rapid crack propagation and slow crack propagation are considered in relation to service performance and life time. All essential aspects of mechanical behavior of polymeric materials and components have a common denominator: competition between chain relaxation capability (CRC) and destructive processes. For a given force (magnitude, rate, direction, duration) the outcome of this competition depends largely on the amount of free volume.