Abstract
The major problem confronting aluminium alloy in various fields of engineering is based on the structural and continual failure of a component in service. The difficulties encountered are resolved through addition of RHA as strengthening agent to the aluminium metal matrix composite. The fabrication of MMC (AA6061/RHA) using metallurgical stir casting route in the array of 2, 4, 6 and 8 wt. % of RHA was done. Polarization test carried out in 0.75 M of H2SO4 on the composite shows enhanced corrosion susceptibility. Mechanical properties such as microhardness and tensile were performed on the developed composite. Corrosion analysis of RHA embedded in AA6061 revealed improved corrosion performance. Furthermore, the microstructural change through SEM shows that the incorporation of RHA in AA6061 aluminium alloy minimize corrosion effects. It also shows the homogenous dispersal of the fortification along the grain boundaries and reduced fracture propagation.
Highlights
- Properties of CoO doped in Glasses Prepared from Rice Hush Fly Ash in Thailand Y Ruangtaweep, J Kaewkhao, K Kirdsiri et al
- Rice husk ash (RHA) based geopolymer mortar incorporating sewage sludge ash (SSA) M Z Zaidahtulakmal, K Kartini and M S Hamidah. This content was downloaded from IP address 165.73.223.226 on 11/11/2021 at 10:15
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Summary
Corrosion Performance of AA6061/Rice Husk Ash Composite for Engineering Application. To cite this article: N. - Rice husk ash (RHA) based geopolymer mortar incorporating sewage sludge ash (SSA) M Z Zaidahtulakmal, K Kartini and M S Hamidah. This content was downloaded from IP address 165.73.223.226 on 11/11/2021 at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