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Flow and flow orientation of composites containing anisometric particles
Author(s) -
Utracki L. A.
Publication year - 1986
Publication title -
polymer composites
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.577
H-Index - 82
eISSN - 1548-0569
pISSN - 0272-8397
DOI - 10.1002/pc.750070504
Subject(s) - materials science , rheology , composite material , flow (mathematics) , mica , orientation (vector space) , yield (engineering) , polymer , flow properties , geometry , mechanics , mathematics , physics
There is a growing commercial and academic interest in polymeric composites filled with short fibers and/or glass or mica flakes. Here, the properties depend strongly on the flow induced morphology and on the distribution of residual stresses. To optimize processing and properties, it is important to know both the melt rheology and the orientation of the dispersed phase. The industrial formulations are notoriously very complex. However, it is possible to understand, and sometimes predict, their behavior by a systematic comparison with simpler, better known systems, i.e., suspensions. This review concentrates on two main aspects of flow of polymer melts containing anisometric particles, namely yield phenomena and orientation.