Designing with Pores - Synthesis and Applications

Luyten, Jan; Mullens, Steven; Thijs, Ivo

doi:10.14356/kona.2010012

Cited by 44 publications

(37 citation statements)

References 38 publications

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“…SiC grid structures made by robocasting. [186] Fabrication/Freeze-Form Extrusion Fabrication (FEF), [125][126][127] Direct Ink Writing (DIW), [120] Slurry Deposition, [128] Dispense Plotting, [129] Bioplotting, [130] Rapid Prototyping Robotic Dispensing (RPRD), Microextrusion Freeforming (MF), Multiphase Jet Solidification (MJS), [131] 3D Fiber Deposition (3DFD), [132] and Robocasting (RC). [133] These synonyms exhibit mostly minor deviations regarding the process details.…”

Section: D Extrusion Freeforming Of Ceramics (Eff)mentioning

confidence: 99%

Additive Manufacturing of Ceramic‐Based Materials

et al. 2014

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This paper offers a review of present achievements in the field of processing of ceramic-based materials with complex geometry using the main additive manufacturing (AM) technologies. In AM, the geometrical design of a desired ceramic-based component is combined with the materials design. In this way, the fabrication times and the product costs of ceramic-based parts with required properties can be substantially reduced. However, dimensional accuracy and surface finish still remain crucial features in today's AM due to the layer-by-layer formation of the parts. In spite of the fact that significant progress has been made in the development of feedstock materials, the most difficult limitations for AM technologies are the restrictions set by material selection for each AM method and aspects considering the inner architectural design of the manufactured parts. Hence, any future progress in the field of AM should be based on the improvement of the existing technologies or, alternatively, the development of new approaches with an emphasis on parts allowing the near-net formation of ceramic structures, while optimizing the design of new materials and of the part architecture.

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Section: D Extrusion Freeforming Of Ceramics (Eff)mentioning

confidence: 99%

Additive Manufacturing of Ceramic‐Based Materials

et al. 2014

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“…Various processing routes (etching, sacrificial templating, direct foaming, replica, additive manufacturing, etc.) have been explored for the production of porous ceramics, and several reviews are available on the subject13456. In a recent review, application based properties of those materials with respect to microstructural features have also been published7.…”

mentioning

confidence: 99%

Gradient-Hierarchic-Aligned Porosity SiOC Ceramics

Vakifahmetoğlu

Zeydanlı

Innocentini

et al. 2017

Sci Rep

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This work describes a simple technique to produce porous ceramics with aligned porosity having very high permeability and specific surface area. SiOC-based compositions were processed from blends of three types of preceramic polymer and a catalyst, followed by curing and pyrolysis. The heating applied from the bottom of molds promoted the nucleation, expansion and rising of gas bubbles, and the creation of a ceramic matrix with axially oriented channels interconnected by small round pores. The samples were analyzed by SEM, tomography, BET, water immersion porosimetry and permeation to gas flow. The resulting bodies presented levels of open porosity (69.9–83.4%), average channel diameter (0.59–1.25 mm) and permeability (0.56–3.83 × 10−9 m2) comparable to those of ceramic foams and honeycomb monoliths, but with specific surface area (4.8–121.9 m2/g) typical adsorbents, enabling these lotus-type ceramics to be advantageously used as catalytic supports and adsorption components in several environmental control applications.

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“…Porous ceramics, which have outstanding properties, such as excellent corrosion resistance, good structural stability and high hardness, are extensively used in various fields, such as filtration, catalysis and environmental protection [1,2,3,4]. Traditionally, ceramics have intrinsic disadvantages, for instance high brittleness, poor machinability and low conductivity, which limit their potential applications [5,6].…”

Section: Introductionmentioning

confidence: 99%

Pore Formation Process of Porous Ti3SiC2 Fabricated by Reactive Sintering

2017

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Porous Ti3SiC2 was fabricated with high purity, 99.4 vol %, through reactive sintering of titanium hydride (TiH2), silicon (Si) and graphite (C) elemental powders. The reaction procedures and the pore structure evolution during the sintering process were systematically studied by X-ray diffraction (XRD) and scanning electron microscope (SEM). Our results show that the formation of Ti3SiC2 from TiH2/Si/C powders experienced the following steps: firstly, TiH2 decomposed into Ti; secondly, TiC and Ti5Si3 intermediate phases were generated; finally, Ti3SiC2 was produced through the reaction of TiC, Ti5Si3 and Si. The pores formed in the synthesis procedure of porous Ti3SiC2 ceramics are derived from the following aspects: interstitial pores left during the pressing procedure; pores formed because of the TiH2 decomposition; pores formed through the reactions between Ti and Si and Ti and C powders; and the pores produced accompanying the final phase synthesized during the high temperature sintering process.

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Designing with Pores - Synthesis and Applications

Cited by 44 publications

References 38 publications

Additive Manufacturing of Ceramic‐Based Materials

Additive Manufacturing of Ceramic‐Based Materials

Gradient-Hierarchic-Aligned Porosity SiOC Ceramics

Pore Formation Process of Porous Ti3SiC2 Fabricated by Reactive Sintering

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