Processing, microstructure and thermoluminescence response of biomorphic yttrium oxide ceramics

Santos, S.C.; Yamagata, Chieko; Campos, L.L.; Mello-Castanho, Sonia Regina Homem de

doi:10.1016/j.ceramint.2016.05.136

Cited by 12 publications

(1 citation statement)

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“…In most of these approaches, a carbon scaffold obtained from wood pyrolysis is infiltrated with either a pre-ceramic sol or directly with a ceramic slurry, and the impregnated monolith is calcined at high temperature to promote sintering and densification of the oxides while burning the carbon from the scaffold out. In this manner, TiO 2 porous ceramics can be obtained from rattan [84], yttrium oxide and silicate ceramics can be derived from luffa sponge precursors [85,86] and magnetic hexaferrites can be synthesised using cork or spruce-based templates [87,88]. A common denominator in all these approaches is the need to perform vacuum-assisted room temperature infiltration in several cycles in order to obtain adequate solid loadings of the oxides into the template.…”

Section: Macroporous Biomorphic Ceramicsmentioning

confidence: 99%

Biomorphic ceramics from wood-derived precursors

Ramírez‐Rico

Martı́nez-Fernández

Singh

2017

International Materials Reviews

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He has published over 160 papers in peer-reviewed journals and has been the PI of over 20 nationally and internationally funded research grants. His research interests include the study of biomorphic silicon carbide, single crystal and polycrystalline zirconia and alumina, alumina-based composites, silicon nitride, electronic ceramics, ceramic joining, and single crystals fibers.Mrityunjay Singh is Chief Scientist, Ohio Aerospace Institute, NASA Glenn Research Center, Cleveland, Ohio. He has edited/co-edited thirty eight books and five journal volumes, authored/co-authored ten book chapters/invited reviews and more than two hundred fifty papers in journals and edited volumes. He is involved with various activities in processing, manufacturing, joining and attachment technologies, and characterization of advanced ceramics and composites, lightweight cellular ceramics, environment conscious ceramics, and porous ceramic foams, high conductivity composites and graphite foams for thermal management systems, ceramic matrix composites for turbomachinery and propulsion systems, and a wide variety of materials for ultra high temperature and extreme environment applications.* Corresponding author -Email: jrr@us.es, Tel: +34 954 550 936 Biomorphic Ceramics from Wood Derived PrecursorsMaterials development is driven by microstructural complexity, in many cases inspired by biological systems like bones, shells, and wood. In one approach, one selects the main microstructural features responsible for improved properties a designs processes to obtain materials with such microstructures (continuous-fiber-reinforced ceramics, porous ceramics, fibrous ceramic monoliths, etc.). In a different approach, it is possible to use natural materials directly as microstructural templates. Biomorphic ceramics are produced from natural and renewable resources (wood or wood-derived products). A wide variety of SiC based ceramics can be fabricated by infiltration of silicon or silicon alloys into cellulose-derived carbonaceous templates, providing a low-cost route to advanced ceramic materials with near-net shape potential and amenable to rapid prototyping. These materials have tailorable microstructure and properties, and behave like ceramic materials manufactured by advanced ceramic processing approaches. This review aims to be a comprehensive description of the development of bioSiC ceramics:from wood templates and their microstructure to potential applications of bioSiC materials.

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