TY  - JOUR
T1  - Electrochemical Corrosion Behavior of High Velocity Oxy-Fuel (HVOF) Superalloy Coatings On Ductile Irons
AU  - Kayalı, Yusuf
AU  - Karabaş, Muhammet
AU  - Yalçın, Yılmaz
AU  - Büyüksağiş, Aysel
AU  - Talaş, Şükrü
PY  - 2019
DA  - April
Y2  - 2018
DO  - 10.16984/saufenbilder.465631
JF  - Sakarya University Journal of Science
JO  - SAUJS
PB  - Sakarya University
WT  - DergiPark
SN  - 2147-835X
SP  - 291
EP  - 300
VL  - 23
IS  - 2
LA  - en
AB  - In this study, alloyed and unalloyed ductile irons(DI) were coated with two different Ni-based superalloy materials by HVOFmethod. Microstructure and phase analyzes of the coatings were performed byusing SEM, EDX, XRD methods. Theelectrochemical corrosion behavior of alloyed and unalloyed DI is investigatedin 3.5% (w / v) NaCl solution. As a result of the characterization studies, itwas observed that a dense non-porous coating layer of about 80 μm thickness wasobtained on the cast iron samples and continuous adhesion was provided betweenthe coating and the substrate. It has been determined that the cast iron coatedwith AMDRY 9624 contains γ and β intermetallic phases and the coating producedwith AMDRY 9951 commercial powder contains only γ phase. As a result of coatingprocess, the corrosion rate of the alloyed and unalloyed spherical graphitecast irons is reduced. Also, the corrosion rate of the coating produced withAMDRY 9951 is higher than the coating produced with AMDRY 9624. The presence ofintermetallic phases in the coating produced with AMDRY 9624 increased thecorrosion resistance of the coatings.
KW  - HVOF
KW  - Ductile Iron
KW  - Electrochemical Methods
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UR  - https://doi.org/10.16984/saufenbilder.465631
L1  - https://dergipark.org.tr/en/download/article-file/644152
ER  -