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Characterization of the structure of cellular plastics
Author(s) -
Schael George W.
Publication year - 1967
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.1967.070111105
Subject(s) - volume (thermodynamics) , anisotropy , displacement (psychology) , characterization (materials science) , materials science , mechanics , unit (ring theory) , mathematics , chemistry , thermodynamics , physics , nanotechnology , optics , psychology , mathematics education , psychotherapist
Equations are presented which allow calculation of the average cell volume, number of cells per unit area, cross‐sectional area, and average axial lengths of cells in formed plastics. The equation for the average volume of a group of cells has been derived to include terms which adjust for the effect of cellular anisotropy. This adjustment is made by including in the equation terms defining the number of cells (in terms of air displacement volumes) which occur in three planes of the specimen. Average cell volumes calculated with the derived equation were found to agree well with average volumes determined by measuring the volume of a known number of cells.