Effects of Binary Oxide Coated MWCNTs Toward Tailoring the Mechanical, Thermo-Mechanical, and Microstructural Properties of Pressureless Sintered MgAl2O4 Spinel Ceramic Composite

This study presents a performance evaluation of MgAl-binary oxide-coated multi-walled carbon nanotubes (MWCNTs) as a reinforcement phase in a magnesium aluminate spinel (MgAl 2 O 4 ) ceramic composite system fabricated using a pressureless sintering technique. The physical properties, including poro...

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Bibliographic Details
Published in:Glass and ceramics 2024, Vol.80 (9-10), p.445-450
Main Authors: Das, Paromita, Sharma, Savan Kumar, Mukhopadhyay, Sunanda, Sanfui, Barun K.
Format: Article
Language:English
Subjects:
Bulk density
Ceramics
Characterization and Evaluation of Materials
Chemistry and Materials Science
Composite materials
Composites
Flexural strength
Glass
Loose powder sintering
Magnesium aluminate
Materials Science
Mechanical properties
Multi wall carbon nanotubes
Natural Materials
Performance evaluation
Physical properties
Sintering (powder metallurgy)
Spinel
Thermomechanical properties
Thin films
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Summary:This study presents a performance evaluation of MgAl-binary oxide-coated multi-walled carbon nanotubes (MWCNTs) as a reinforcement phase in a magnesium aluminate spinel (MgAl 2 O 4 ) ceramic composite system fabricated using a pressureless sintering technique. The physical properties, including porosity, bulk density, and flexural strength of spinel composites were evaluated in the temperature range of 1500 – 1600°C. The results reveal the coated MWCNTs architecture’s promising influence on the composite system’s property enhancement. The developed thin-film coating on the MWCNTs favors enhanced dispersibility with better matrix-reinforcement interfacial connectivity, thereby improving the mechanical and thermo-mechanical performance of the composites.
ISSN:0361-7610
1573-8515
DOI:10.1007/s10717-023-00630-5