Special Issue "Syntactic Foams: Microstructural Characterisation and Effective Properties"
A special issue of Materials (ISSN 1996-1944).
Deadline for manuscript submissions: closed (31 October 2017).
Syntactic foams are particulate composites whose filler consists of hollow spherical particles. Such composites are experiencing considerable growth as a result of technological advances. In fact, depending on the employed materials for matrix and filler, syntactic foams find several engineering applications for their high effective specific properties (i.e., macroscopic properties per unit mass) combined with the benefits ensuing from their closed-cell microstructure.
On the one hand, designing the microstructure is a key issue to optimise syntactic foams’ performance. On the other hand, characterising the microstructure is crucial in order to develop accurate predictive models which can also be useful to improve the syntactic foam design.
Of particular interest for this Special Issue is the connection between microstructure and effective properties of syntactic foams, including, but not limited to, nonlinear phenomena, such as mechanical failure.
To this purpose, in addition to the properties and volume fractions of matrix and filler materials, the microstructure characterisation may, for instance, require the determination of the filler polydispersion, in terms of both size and particle wall thickness, the behaviour of the interface between matrix and filler, and the presence of unreinforced voids and matrix regions of varied properties due to manufacturing.
A challenging task is the understanding of how detailed the microstructure characterisation should be in order to accurately model each peculiar effective behaviour relevant in the applications.
This Special Issue also aims at covering research on novel applications, with emphasis on microstructural features. Experimental, theoretical, and computational approaches are welcome, with a special appreciation for multi-disciplinarity.
Prof. Dr. Lorenzo Bardella
Manuscript Submission Information
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- Syntactic foam
- Effective properties
- Experimental testing
- Homogenisation methods
- Computational materials science
- Filler polydispersion
- Filler properties
- Matrix properties
- Unreinforced porosity
- Effective strength
- Failure modalities