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Compressive and dissipative behavior of metal rubber under constraints
Author(s) -
Ma Yanhong,
Gao Di,
Zhang Dayi,
Hong Jie
Publication year - 2015
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.201451617
Subject(s) - dissipative system , constraint (computer aided design) , tangent , relative density , modulus , materials science , tangent modulus , loss factor , stiffness , dissipation factor , compressive strength , composite material , natural rubber , mathematics , thermodynamics , physics , geometry , optoelectronics , dielectric , sintering
The paper describes the compressive and dissipative behavior of metal rubber (MR) solids under constraint conditions. The MR samples have been tested with different amounts of lateral restraint; the results show that the stiffness and loss factor increase significantly with increasing constraint. For the 0.21 relative density samples, when they reached an equivalent relative density of 0.23 caused by constraints, the samples exhibited larger loss factor (about 0.3) and tangent modulus (105 MPa). However, for the 0.23 relative density MRs, they exhibited smaller loss factor (about 0.16) and tangent modulus (about 16.5 MPa) without constraint. The MR samples with different relative densities showed similar behaviors. The results indicate that MR under constraints exhibits unique behavior and cannot be simplified into the same density MR under different constraint conditions.