Nontoxic Processing of Reliable Macro‐Porous Ceramics
Source abstract
Abstract
A direct‐foaming technique to produce macro‐porous ceramics is presented considering three key aspects: (i) a processing route without toxic additives, (ii) optimizing particle packing and dispersion of ceramic suspensions to obtain denser struts, and (iii) processing reliability for large‐scale production. To achieve the latter goal, specific foaming equipment was designed. Ceramics with large dimensions (250 × 60 × 110 mm 3 ), high porosity level (>70%), homogeneous and narrower pore‐size distribution, high Weibull modulus (8 to 11), improved mechanical strength (3 to 15 MP a) for different compositions and low thermal conductivity at 1200°C (0.3 to 0.9 W/ mK ) were attained.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Heat and Mass Transfer in Porous Media · Advanced ceramic materials synthesis · Recycling and utilization of industrial and municipal waste in materials production
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Materials Engineering Department São Carlos School of Engineering University of São Paulo EESC‐USP São Carlos SP Brazil
Materials Microstructure Engineering Group (GEMM) FIRE Associate Laboratory Federal University of São Carlos São Carlos Brazil
Empresa Brasileira de Pesquisa Agropecuária (EMBRAPA) São Carlos Brazil
Funding
FIRE (Federation for International Refractories Research and Education)
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