High strain rate compression of cenosphere-pure aluminum syntactic foams

The high strain rate compression behavior of cenosphere–pure aluminum syntactic foams has been studied by comparing it with the results from the quasi-static loading condition. The foams exhibited distinct strain rate sensitivity and the peak strengths increased from ∼45–75 to ∼65–120 MPa; the energ...

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Bibliographic Details
Published in:Scripta materialia 2007-11, Vol.57 (10), p.945-948
Main Authors: Dou, Z.Y., Jiang, L.T., Wu, G.H., Zhang, Q., Xiu, Z.Y., Chen, G.Q.
Format: Article
Language:English
Subjects:
Aluminum
Composites
Compressing
Compression
Compressive properties
Foams
High strain rate
Mathematical analysis
Mechanical properties
Strain
Syntactic foams
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Summary:The high strain rate compression behavior of cenosphere–pure aluminum syntactic foams has been studied by comparing it with the results from the quasi-static loading condition. The foams exhibited distinct strain rate sensitivity and the peak strengths increased from ∼45–75 to ∼65–120 MPa; the energy absorption capacity also increased by ∼50–70%. A three-parameter data-fitting equation has been developed to predict the rate-dependent compressive stress at relatively low strains for the syntactic foams.
ISSN:1359-6462
1872-8456
DOI:10.1016/j.scriptamat.2007.07.024