Abu-Sharkh, Basel F.

Al-Qaradawi, I. Y.

Khaled, Mazen

Yilbas, Bekir S.

King Fahd University of Petroleum and Minerals

Corrosion properties of duplex treated Ti-6Al-4V alloy in chloride media using 
electrochemical and positron annihilation spectroscopy techniques.       
 
Khaled, M. M.; Yilbas, B. S.; Al-Qaradawi, I. Y.; Coleman, P. G.; Abdulmalik, D.; Seddigi, Z. S.; 
Abulkibash, A.; Abu-Sharkh, B. F.; Emad, M. M.     
 
Surface and Coatings Technology  (2006),  201(3-4),  932-937.   
 
 
Abstract 
 
The corrosion properties of duplex-treated and nitrided Ti-6Al-4V have been investigated in 
0.025, 0.25 and 2.5 M NaCl using electrochem. techniques, Positron Annihilation Spectroscopy 
(PAS), X-ray diffraction (XRD), SEM, and Energy Dispersive Spectrometry (EDS).  The 
electrochem. results showed a three-fold increase in corrosion rate for every ten-fold increase in 
chloride concn.  The morphol. and surface compn. studied by XRD showed the presence of TiN 
and Ti2N layers.  SEM and EDS showed the presence of pitting and the presence of oxide and 
chloride products.  At the lowest concn. of NaCl, no aluminum was detected in the surface layers 
while at the highest concn. no chloride byproducts were detected.  PAS indicated that the 
damage caused by the NaCl changes in nature and becomes shallower as the concn. increases. 


Corrosion properties of duplex treated Ti-6Al-4V alloy in chloride media using electrochemical and positron annihilation spectroscopy techniques

https://eprints.kfupm.edu.sa/id/eprint/9237/1/Corrosion_properties_of_duplex_treated_Ti_6Al_4V_alloy_in_chloride_media_using_electrochemical_and_positron_annihilation_spectroscopy_techniques.pdf

Corrosion properties of duplex treated Ti-6Al-4V alloy in chloride media using electrochemical and positron annihilation spectroscopy techniques

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