Effect of Isothermal Treatment on Ni3Al Coatings Deposited by Air Plasma Spraying System

• Autorzy: Mehmood K. , Rafiq M. A. , Durrani Y. A. , Khan A. N.

Identyfikatory

DOI

10.24425/118938

• Języki publikacji: EN

Abstrakty

EN

Ni₃Al coatings were obtained on AISI 321 steel samples by air plasma spraying system. The behavior of heat treatment on intermetallic coatings were evaluated after exposure at various temperatures i.e. 500ºC to 800ºC. The stay time in this regard was varied from 10 to 100 hours. The coatings were then characterized by X-Ray diffraction analysis, optical and scanning electron microscopy, eddy current measurements and stress analysis. It was observed that the formation of NiO increases drastically with time and temperature. The hardness of the coating increases with the formation of NiO. It was noted that the residual stresses can be correlated with the formation of NiO. Further, the development of residual stresses can be monitored by a non-destructive technique i.e. eddy current method.

Słowa kluczowe

EN

air plasma spraying; Ni-20Al; residual stresses; intermetallic coating; nickel aluminide

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2018
• Tom: Vol. 63, iss. 1
• Strony: 277--283
• Opis fizyczny: Bibliogr. 17 poz., rys., tab.

Twórcy

autor

Mehmood K.

• University of Engineering and Technology, Lahore, Pakistan

autor

Rafiq M. A.

• University of Engineering and Technology, Lahore, Pakistan

autor

Durrani Y. A.

• University of Engineering and Technology, Taxila, Pakistan

autor

Khan A. N.

• Institute of Industrial Control System, Rawalpindi, Pakistan

Bibliografia

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Uwagi

PL

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).