TY - GEN
T1 - Corrosion behavior of flame sprayed Cr3C2-NiCr coating on A516 steel in chloride environment
AU - Ramandhany, Safitry
AU - Sugiarti, Eni
AU - Triyono, Djoko
AU - Wismogroho, Agus Sukarto
AU - Izzuddin, Hubby
AU - Hermanto, Bambang
AU - Widayatno, Wahyu Bambang
AU - Sudiro, Toto
AU - Afandi, Ahmad
N1 - Publisher Copyright:
© 2022 Author(s).
PY - 2022/11/14
Y1 - 2022/11/14
N2 - 75Cr3C2-25NiCr coating was deposited on A516 steel by flame spray process to enhance high temperature corrosion resistance. Corrosion studies were investigated on bare and flame spray-coated steel after exposure at 600°C under cyclic condition in a molten salt environment (45% NaCl+55% KCl). The mass change measurements were performed after each cycle that consisted of 20 hours to establish the corrosion rate. Field emission scanning electron microscopy (FESEM) equipped with an energy dispersive X-ray analysis (EDS), X-ray diffraction (XRD), micro-vickers hardness, and 3D optical microscope (OM) were used to characterize the microstructure, elemental analysis, phase, mechanical properties, and surface roughness of the coatings, respectively. The spallation occurred on A516 steel without coating after corrosion test due to the formation of unprotective Fe2O3 oxide scales. On the contrary, Cr3C2-NiCr coating was found to be more protective by the formation of oxide scale consisted of Cr2O3 and spinels. The results showed that the corrosion rate and the surface roughness of Cr3C2-NiCr coating having lower value than that of A156 steel without coating which were approximately of 11.49 mm/y and 25.02 μm, respectively. However, the mechanical properties from vickers hardness measurement showed that Cr3C2-NiCr coating reached the highest value of about 364.77 HV.
AB - 75Cr3C2-25NiCr coating was deposited on A516 steel by flame spray process to enhance high temperature corrosion resistance. Corrosion studies were investigated on bare and flame spray-coated steel after exposure at 600°C under cyclic condition in a molten salt environment (45% NaCl+55% KCl). The mass change measurements were performed after each cycle that consisted of 20 hours to establish the corrosion rate. Field emission scanning electron microscopy (FESEM) equipped with an energy dispersive X-ray analysis (EDS), X-ray diffraction (XRD), micro-vickers hardness, and 3D optical microscope (OM) were used to characterize the microstructure, elemental analysis, phase, mechanical properties, and surface roughness of the coatings, respectively. The spallation occurred on A516 steel without coating after corrosion test due to the formation of unprotective Fe2O3 oxide scales. On the contrary, Cr3C2-NiCr coating was found to be more protective by the formation of oxide scale consisted of Cr2O3 and spinels. The results showed that the corrosion rate and the surface roughness of Cr3C2-NiCr coating having lower value than that of A156 steel without coating which were approximately of 11.49 mm/y and 25.02 μm, respectively. However, the mechanical properties from vickers hardness measurement showed that Cr3C2-NiCr coating reached the highest value of about 364.77 HV.
UR - http://www.scopus.com/inward/record.url?scp=85142643284&partnerID=8YFLogxK
U2 - 10.1063/5.0123323
DO - 10.1063/5.0123323
M3 - Conference contribution
AN - SCOPUS:85142643284
T3 - AIP Conference Proceedings
BT - International Conference on Advanced Material and Technology, ICAMT 2021
A2 - Kartini, Evvy
A2 - Sofyan, Nofrijon
A2 - Purba, Julwan Hendry
A2 - Pramono, Andika Widya
PB - American Institute of Physics Inc.
T2 - 2021 International Conference on Advanced Material and Technology, ICAMT 2021
Y2 - 14 December 2021 through 16 December 2021
ER -