Functionally Graded Materials
A special issue of Metals (ISSN 2075-4701).
Deadline for manuscript submissions: closed (15 May 2019) | Viewed by 11917
Special Issue Editors
Interests: phase transformations interactions (thermal/mechanical); in situ structural characterization by X-ray diffraction; processing of metal alloys (ferrous alloys; shape memory alloys)
Interests: heterogeneous materials: Composite, cellular and functionally graded materials (with an emphasis on metals)
Interests: archaeometallurgy; copper and iron-based alloys; thermomechanical processing; microstructural characterization; corrosion and conservation of metallic materials
Special Issue Information
Dear Colleagues,
Functionally-Graded Materials (FGM) have long been present in the history of humankind, in the shape of utensils made from materials of organic origin and taking advantage of naturally-occurring structural heterogeneities. Nevertheless, their acknowledgement as a clearly-defined engineering concept is rather recent, dating to the last quarter of the 20th century.
There is currently a large set of domains where FGM can be found. The more traditional are probably some structural applications, where compositional and microstructural gradients imparted to the piece are taken advantage of to reunite in the same package properties that would otherwise not be found in the same material, but without incurring in the brittleness penalty resulting from an abrupt interface: the elegant katana sword blades, together with the perhaps humbler iron rail, are prime examples in this domain. At the other extreme, one can consider the effort being undertaken to mimic the bone structure, characterized by a smooth transition between an exterior compact tissue and an interior highly porous cancellous bone, to develop bone replacement scaffolds better suited for colonization by bone cells and with a mechanical behavior more akin to the natural tissue.
Smart materials rely on their chemical composition and processing condition for their response to stimuli. For applications requiring a wider controllable range, a wider range of the relevant physical parameters may be required. In such a situation, the possible solution will be to use a functionally graded smart material.
Furthermore, the FGM concept easily fuses into other notions. Thus, examples abound, both in scientific literature and technological contexts, of functionally graded composites and functionally graded foams, both instances where micro- and macro- or mesoscale heterogeneities are combined.
Publications are expected to offer contributions in the field of FGM focused on the topics reflected by the accompanying list of keywords.
Dr. Francisco Manuel Braz FernandesDr. Alexandre José da Costa Velhinho
Dr. Rui Jorge Cordeiro Silva
Guest Editors
Manuscript Submission Information
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Keywords
- Functionally graded materials
- Heterogeneous Materials
- Modelling
- Processing technologies
- Materials by Design
- Smart Materials
- Applications
- Cultural Heritage Materials
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