A Nanoindentation Study on Al (TiFe-Mg-SiC) Composites Fabricated via Stir Casting
| Autor: | Serge Mudinga Lemika, Ojo Jeremiah Akinribide, Peter Apata Olubambi, Babatunde Abiodun Obadele, Samuel Olukayode Akinwamide, Oluwasegun Eso Falodun, Bolanle Tolulope Abe |
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| Rok vydání: | 2019 |
| Předmět: |
010302 applied physics
Materials science Mechanical Engineering chemistry.chemical_element 02 engineering and technology Nanoindentation 021001 nanoscience & nanotechnology 01 natural sciences chemistry Mechanics of Materials Aluminium 0103 physical sciences Stir casting General Materials Science Composite material 0210 nano-technology Ferrotitanium |
| Zdroj: | Key Engineering Materials. 821:81-88 |
| ISSN: | 1662-9795 |
| DOI: | 10.4028/www.scientific.net/kem.821.81 |
| Popis: | The limitations of aluminium in most engineering applications has led to the development of aluminium matrix composites with improved microstructural and mechanical properties. Nanoindentation techniques was used in assessing the mechanical properties of fabricated aluminium matrix composites with ferrotitanium and silicon carbide as reinforcements. Results from nanoindentation experiments shows the dependence of modulus of elasticity, microhardness and contact depth on the dispersion of ferrotitanium and silicon carbide reinforcements within the aluminium matrix. Highest nanohardness value was observed in composite with 7 wt. % silicon carbide, while the lowest elastic modulus was recorded in as-cast aluminium. Further analysis of specimens confirmed a decrease in maximum penetration depth with respective increase in the addition of silicon carbide reinforcements in the fabricated composites. |
| Databáze: | OpenAIRE |
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