Different methods to synthesize ceramic foams

Luyten, Jan; Mullens, Steven; Cooymans, J.F.C.; Wilde, A.-M. de; Thijs, Ivo; Kemps, Raymond

doi:10.1016/j.jeurceramsoc.2008.07.039

Cited by 102 publications

(55 citation statements)

References 5 publications

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“…Ceramic foams can be formed following different manufacturing approaches [5] , for example, gel casting, hollow bead, and the reticulated sponge techniques. The first route, ceramic powder slurry is transformed in solid ceramic foam by introducing foaming agent into ceramic solution, however; the final structure of ceramic foam is barely controlled.…”

Section: Figure 1 the Pictorial Model Of Mass Transfer In Various Shmentioning

confidence: 99%

Polymeric Material Application for The Production of Ceramic Foam Catalyst

Sangsuriyan¹,

Yeetsorn²,

Tungkamani³

et al. 2015

The International Journal of Advanced Culture Technology

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Section: Figure 1 the Pictorial Model Of Mass Transfer In Various Shmentioning

confidence: 99%

Polymeric Material Application for The Production of Ceramic Foam Catalyst

Sangsuriyan¹,

Yeetsorn²,

Tungkamani³

et al. 2015

The International Journal of Advanced Culture Technology

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“…Considering these criteria, three manufacturing routes were worked out to obtain scaffolds approaching these values: the polyurethane (PU) replica method, gelcasting and the 3D fiber deposition (3DFD) method. [4][5][6] For the CaP scaffolds the same requirements hold but with less stringent mechanical properties.…”

Section: Bone Scaffold Requirementsmentioning

confidence: 99%

Bone Engineering with Porous Ceramics and Metals

et al. 2011

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The aging of the population of the western countries increasingly necessitate the development of innovative health care approaches including bone replacement and regeneration. The demand for implants is not only intensified but due to the limited life time of these components, an increasing number of implants need revision. Despite the strong research efforts on biomaterials in general, large bone effects are still a big challenge for orthopedic surgeons. Conventionally, bone replacement can be solved by distraction, the use of auto-and allografts or synthetic produced implants. Nevertheless, over the last 20 years intensive research has been performed on a more elegant but more complex new approach called bone tissue engineering. Tissue engineering uses porous scaffolds with properties comparable to trabecular bone. Bone healing is enhanced by seeding these supports with human cells and by the addition of bone growth stimulating molecules. [1] Despite the very successful results obtained on twodimensional materials, it is still waiting on a real reproducible results on three-dimensional scaffolds. A wide variety of materials including ceramics, glass, metals, polymers and composites have been studied to be applied as a porous scaffold material.The self-healing capacity of bone for the reconstruction of small fractures is widely recognized. However, large bone defects still pose a big challenge for orthopedic surgeons. Tissue engineering using porous scaffolds is a new trend to solve this problem and to speed the healing process. When seeded with human cells and bone growth stimulating molecules, they enhance bone healing. Such porous supports try to mimic the properties of trabecular bone. The needed structural properties are: a high and interconnected porosity, pore sizes in the range of 100-500 mm, mechanical properties comparable to trabecular bone and a microporous surface to allow further coating, cell attachment and seeding. Starting from these requirements, it is clear that a cellular material has the ideal architecture for such biomedical scaffold. Polymeric, ceramic or metallic foam structures can be obtained by different manufacturing routes. In our group we optimized three methods, all starting from a powder suspension. They are the PU template technique, gelcasting and the 3D fiber deposition (3DFD) method. Ti and Ti-6Al-4V scaffolds produced by gelcasting and 3DFD can mimic the structural and mechanical properties of the trabecular bone. Hydroxyapatite (HA) and mixtures of hydroxyapatite and beta tricalcium phosphate (b-TCP) were tested for their rate of dissolution in simulated body fluid (SBF) and for their strength as function of their composition. Recently, it was proven that magnesium is a biocompatible and bio-absorbable material. Therefore, as a metallic scaffold it can be expected that it can fulfill both functions of the biomedical scaffold: to be load-bearing and to be bio-absorbable. Nevertheless, the realization of this ideal scaffold needs much more fundamental research. Some preliminar...

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“…Sintered ceramic preforms can be obtained by many methods [6][7][8][9]. However, sintering of ceramic powders with the addition of pore-forming agents (e.g.…”

Section: Introductionmentioning

confidence: 99%

Manufacturing of Porous Ceramic Preforms Based on Halloysite Nanotubes (Hnts)

Kujawa

Dobrzański

Matula

et al. 2016

Archives of Metallurgy and Materials

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The aim of this study was to determine the influence of manufacturing conditions on the structure and properties of porous halloysite preforms, which during pressure infiltration were soaked with a liquid alloy to obtain a metal matrix composite reinforced by ceramic, and also to find innovative possibilities for the application of mineral nanotubes obtained from halloysite. The method of manufacturing porous ceramic preforms (based on halloysite nanotubes) as semi-finished products that are applicable to modern infiltrated metal matrix composites was shown. The ceramic preforms were manufactured by sintering of halloysite nanotubes (HNT), Natural Nano Company (USA), with the addition of pores and canals forming agent in the form of carbon fibres (Sigrafil C10 M250 UNS SGL Group, the Carbon Company). The resulting porous ceramic skeletons, suggest innovative application capabilities mineral nanotubes obtained from halloysite.

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Different methods to synthesize ceramic foams

Cited by 102 publications

References 5 publications

Polymeric Material Application for The Production of Ceramic Foam Catalyst

Polymeric Material Application for The Production of Ceramic Foam Catalyst

Bone Engineering with Porous Ceramics and Metals

Manufacturing of Porous Ceramic Preforms Based on Halloysite Nanotubes (Hnts)

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