Microstructure and Properties of Mo2FeB2 Cermet Coating by Induction Heating

Xiao Ping Zhou; Yi Sheng Xu; Xin Bin Hu

doi:10.4028/www.scientific.net/AMR.189-193.528

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 189-193Microstructure and Properties of Mo2FeB2 Cermet...

Microstructure and Properties of Mo₂FeB₂ Cermet Coating by Induction Heating

Abstract:

Mo₂FeB₂ Cermet Coating was deposited on Fe substrate by react flame spraying (RFS) process. Three different groups of specimens were prepared according to the change of induction heating treatment time. Comparative study of phase composition, microstructure, interfacial microstructure and bond strength of Mo₂FeB₂ Coating was carried out. X-ray diffractometry (XRD) and Scanning electron microscopy (SEM) were used to characterize the Mo₂FeB₂ coating. The bond strength between the coatings and Fe substrates was measured with the pull-off test method according to the corresponding GB 8642-88 standard. Results indicated that the time of induction heating treatment greatly affected the microstructure, interfacial microstructure and bond strength of Mo₂FeB₂ coating. 13 seconds of induction heating treatment favoured the formation of a compact Mo₂FeB₂ Coating with the highest bond strength of approximately 60 MPa.

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Periodical:

Advanced Materials Research (Volumes 189-193)

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528-532

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.189-193.528

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Online since:

February 2011

Authors:

Xiao Ping Zhou, Yi Sheng Xu, Xin Bin Hu

Keywords:

Bond Strength, Induction Heating (IH), Interfacial Microstructure, Microstructure

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