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Corrosion Behavior of Nanocomposite Al-9 wt% Si Alloy Reinforced with Carbon Nanotubes | ||
| Al-Khwarizmi Engineering Journal | ||
| Article 1, Volume 13, Issue 1, 2017, Pages 66-73 | ||
| Authors | ||
| Hussian A. Hussian; Kharia S. Hassan; Mustafa K. Ismeal | ||
| Abstract | ||
| An effort is made to study the effect of composite nanocoating using aluminum-9%wt silicon alloys reinforced with different percentage (0.5,1,2,4)wt.% of carbon nanotubes (CNTs) using plasma spraying. The effect of this composite on corrosion behavior for AA6061-T6 by extrapolation Tafel test in sea water 3.5wt% NaCl was invested. Many specimens where prepared from AA6061-T6 by the dimension (15x15x3)mm as this first set up and other steps include coating process, X-ray diffraction and SEM examination .The results show the CNTs increase the corrosion rate of the nanocomposite coatings with increasing the weight percentage of CNTs within the Al-Si matrix. Al-9wt%Si coating layer itself has less corrosion rate if compared with both nanocomposite coating and the substrate of AA6061-T6. | ||
| Keywords | ||
| aluminum; Silicon; nanocomposite; CNTs; corrosion; plasma spraying | ||
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