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                                       Details for article 2 of 31 found articles
 
 
  Brillouin Spectroscopy of Oriented Polymers
 
 
Title: Brillouin Spectroscopy of Oriented Polymers
Author: Krbecek, H.
Pietralla, M.
Appeared in: International journal of polymeric materials
Paging: Volume 22 (1993) nr. 1-4 pages 177-183
Year: 1993-11-01
Contents: We give a short overview of how to measure orientation-dependent velocities of hypersound by Brillouin spectroscopy, and what kind of data have been attained by this method. The observations in drawn segmented poly(urethane)-elastomers differ from all others: the sound velocity perpendicular to the chains runs through a minimum. At a draw ratio of ∼3.8 a sudden step in the sound velocity indicates a strain-induced structural change.
Publisher: Taylor & Francis
Source file: Elektronische Wetenschappelijke Tijdschriften
 
 

                             Details for article 2 of 31 found articles
 
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