ENHANCEMENT OF LOCAL CORROSION RESISTANCE OF CP-TITANIUM IN H2SO4 SOLUTION VIA PLASMA ELECTROLYTIC OXIDATION

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NIAZI H.; GOLESTANI FARD F.; SHAHMIRI M.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Journal: JOURNAL OF NEW MATERIALS Year:2016 | Volume:6 | Issue:2 (22) Page(s): 127-135

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Title

ENHANCEMENT OF LOCAL CORROSION RESISTANCE OF CP-TITANIUM IN H2SO4 SOLUTION VIA PLASMA ELECTROLYTIC OXIDATION

Author(s)

NIAZI H. | GOLESTANI FARD F. | SHAHMIRI M. | Issue Writer Certificate

Keywords

CORROSION BEHAVIORQ2

LOCAL CORROSIONQ3

TIO2 PLASMA ELECTROLYTIC OXIDATIONQ2

Abstract

TiO2 coating was produced in single step and during a short time (10 min) by plasma Electrolytic Oxidation (PEO). In this study CORROSION BEHAVIOR of the CP-Ti and PEO coated sample were evaluated. Phase composition and surface morphology of the coating were studied by XRD and SEM respectively. X-ray diffraction result shows that the coating is consist of Anatase and the rutile is not formed under coating formation circumstances. Additionally, coatings demonstrate porous structure which contains micro-pores which are formed as a result of sparking process. Open circuit Potential and Cyclic potentio dynamic polarization tests were carried out in a de-aerated solution of 40 g l-1 H2SO4 and 40 g l-1NaCl. It is shown that thermodynamic stability of Titanium was enhanced which means that corrosion tendency was decreased. Furthermore corrosion rate was decreased more than eight times. The most important achievement of this study is improvement of the resistance against pitting corrosion.

Cites

Investigation on the effect of frequency and duty cycle on nano-crystalline TiO2 coatings produced by plasma electrolytic oxidation

References

MECHANICAL AND PHYSICAL PROPERTIES LASER AND GTA WELDING OF COMMERCIAL PURE TITANIUM

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APA: Copy

NIAZI, H., GOLESTANI FARD, F., & SHAHMIRI, M.. (2016). ENHANCEMENT OF LOCAL CORROSION RESISTANCE OF CP-TITANIUM IN H₂SO₄ SOLUTION VIA PLASMA ELECTROLYTIC OXIDATION. JOURNAL OF NEW MATERIALS, 6(2 (22)), 127-135. SID. https://sid.ir/paper/169731/en

Vancouver: Copy

NIAZI H., GOLESTANI FARD F., SHAHMIRI M.. ENHANCEMENT OF LOCAL CORROSION RESISTANCE OF CP-TITANIUM IN H₂SO₄ SOLUTION VIA PLASMA ELECTROLYTIC OXIDATION. JOURNAL OF NEW MATERIALS[Internet]. 2016;6(2 (22)):127-135. Available from: https://sid.ir/paper/169731/en

IEEE: Copy

H. NIAZI, F. GOLESTANI FARD, and M. SHAHMIRI, “ENHANCEMENT OF LOCAL CORROSION RESISTANCE OF CP-TITANIUM IN H₂SO₄ SOLUTION VIA PLASMA ELECTROLYTIC OXIDATION,” JOURNAL OF NEW MATERIALS, vol. 6, no. 2 (22), pp. 127–135, 2016, [Online]. Available: https://sid.ir/paper/169731/en

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