Structure · dataset · 2017
Cellular Ceramics Produced from Ceramic Shell: Processing and Characterization
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In this work, ceramic shell (mullite source), an industrial solid waste from the lost-wax casting process, after crushing and milling steps, was used and evaluated as an alternative raw material source for the production of cellular ceramics for high temperature applications (> 1400 °C).
Description
The obtained ceramic shell powder, with particle size distribution (d50 < 2 µm) suitable for the production of ceramic foams, was characterized from the point of view of their physical, chemical, morphological and crystallographic properties.
Samples were prepared and obtained by direct foaming and gelcasting routes, dried at room temperature and then fired in two steps (650 °C/2 h and 1550 °C/2 h), and cooled in the furnace to room temperature. The effects of solids loading (35 and 42 vol. %) and stirring velocity (500 and 2000 rpm) on the cellular structure (pore size distribution and porosity) and mechanical properties of the produced ceramic shell foam samples were evaluated.
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The results showed that it is possible to obtain ceramic foams based on mullite-zirconite, with pore sizes between 100 and 900 µm, porosities up to 77% and compressive strength varying from 3 to 20 MPa.
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- Repository landing page scielo.figshare.com/articles/Cellular_Ceramics_Produced_from_Ceramic_Shell_Process… ↗
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- DOI doi.org/10.6084/m9.figshare.5669203.v1 ↗
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Documentation and papers
- Creative Commons Attribution 4.0 International creativecommons.org/licenses/by/4.0/legalcode ↗
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- IsSupplementTo 10.1590/1980-5373-mr-2016-1093 doi.org/10.1590/1980-5373-mr-2016-1093 ↗
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Catalogue records · 2
- DataCite API api.datacite.org/dois/10.6084/m9.figshare.5669203.v1 ↗
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- DataCite Commons commons.datacite.org/doi.org/10.6084/m9.figshare.5669203.v1 ↗
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Topics
- Stated by source
- Chemical engineering · Materials engineering
Related
Provenance · 1 source records, 10 field assertions
| Source | Key | Last seen | Raw |
|---|---|---|---|
| DataCite | 10.6084/m9.figshare.5669203.v1 | 14 d ago | JSON v1 |
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| concepts[field].fos:materials-engineering | source · DataCite | connector:datacite@1.0.0 | |
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