TY - JOUR
T1 - Effects of some parameters on corrosion behaviour of plasma-sprayed coatings
AU - Çelik, E.
AU - Şengil, I. A.
AU - Avci, E.
PY - 1997/12
Y1 - 1997/12
N2 - The corrosion behaviour of ceramics and cermet coatings on AISI 304L steel substrates was investigated in several aqueous solutions. Plasma spray process was employed on substrates with the deposition of ceramic and cermet powders such as Al2O3, Al2O3+TiO2 and Cr2C3+ NiCr. The porosity of coatings was measured by an electrochemical technique. Potentiodynamic polarization measurements and corrosion tests were employed to determine the corrosion behaviour of plasma-sprayed coatings. The micro structures of powders and coatings were investigated by means of an optical microscope, SEM, and X-ray diffractometry. The obtained results show that the protection against corrosion depends strongly on the porosity, thickness, surface roughness of the coatings, corrosion media and rotating speed of samples.
AB - The corrosion behaviour of ceramics and cermet coatings on AISI 304L steel substrates was investigated in several aqueous solutions. Plasma spray process was employed on substrates with the deposition of ceramic and cermet powders such as Al2O3, Al2O3+TiO2 and Cr2C3+ NiCr. The porosity of coatings was measured by an electrochemical technique. Potentiodynamic polarization measurements and corrosion tests were employed to determine the corrosion behaviour of plasma-sprayed coatings. The micro structures of powders and coatings were investigated by means of an optical microscope, SEM, and X-ray diffractometry. The obtained results show that the protection against corrosion depends strongly on the porosity, thickness, surface roughness of the coatings, corrosion media and rotating speed of samples.
KW - Corrosion
KW - Plasma-sprayed coatings
UR - http://www.scopus.com/inward/record.url?scp=0031400247&partnerID=8YFLogxK
U2 - 10.1016/S0257-8972(97)00208-9
DO - 10.1016/S0257-8972(97)00208-9
M3 - Article
AN - SCOPUS:0031400247
SN - 0257-8972
VL - 97
SP - 355
EP - 360
JO - Surface and Coatings Technology
JF - Surface and Coatings Technology
IS - 1-3
ER -