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The effect of aspect ratio of inclusions on the elastic properties of unidirectionally aligned composites
Author(s) -
Tandon G. P.,
Weng G. J.
Publication year - 1984
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.750050413
Subject(s) - materials science , transverse isotropy , composite material , shear modulus , modulus , transverse plane , aspect ratio (aeronautics) , elastic modulus , isotropy , shear (geology) , composite number , young's modulus , moduli , structural engineering , optics , physics , engineering , quantum mechanics
This paper examines the influence of aspect ratio α, from zero to infinity, on the effective elastic moduli of a transversely isotropic composite. The reinforcing inclusions, which could be flakes or short fibers, are assumed to be spheroidal and unidirectionally aligned. Of the five independent elastic constants, the longitudinal Young's modulus E 11 and in‐plane shear modulus μ 12 appear to increase with increasing aspect ratio, while the transverse Young's modulus E 22 , out‐plane shear modulus μ 23 , and plane‐strain bulk modulus K 23 , generally decrease. It is further noted that E 11 is more sensitive to α when α > 1 but the others are more so when α < 1. The present analysis was carried out by the combination of Eshelby's and Mori‐Tanaka's theories of inclusions.