Corrosion Behavior of Nanocomposite Al-9 wt% Si Alloy Reinforced with Carbon Nanotubes | Zendy

Mustafa K. Ismeal | Zendy; Kharia Salman Hassan | Zendy; Hussian A. Hussian | Zendy

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Corrosion Behavior of Nanocomposite Al-9 wt% Si Alloy Reinforced with Carbon Nanotubes

Author(s) -

Mustafa K. Ismeal,

Kharia Salman Hassan,

Hussian A. Hussian

Publication year - 2017

Publication title -

al-khwarizmi engineering journal

Language(s) - English

Resource type - Journals

eISSN - 2312-0789

pISSN - 1818-1171

DOI - 10.22153/kej.2017.08.006

Subject(s) - materials science , tafel equation , nanocomposite , carbon nanotube , corrosion , composite material , coating , alloy , composite number , whisker , substrate (aquarium) , metallurgy , electrochemistry , chemistry , oceanography , electrode , geology

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.

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