NDLI: Comparative characteristic and erosion behavior of NiCr coatings deposited by various high-velocity oxyfuel spray processes

Content Provider	Springer Nature Link
Author	Sidhu, Hazoor Singh Sidhu, Buta Singh Prakash, S.
Copyright Year	2006
Abstract	The purpose of this study is to analyze and compare the mechanical properties and microstructure details at the interface of high-velocity oxyfuel (HVOF)-sprayed NiCr-coated boiler tube steels, namely ASTM-SA-210 grade A1, ASTM-SA213-T-11, and ASTM-SA213-T-22. Coatings were developed by two different techniques, and in these techniques liquefied petroleum gas was used as the fuel gas. First, the coatings were characterized by metallographic, scanning electron microscopy/energy-dispersive x-ray analysis, x-ray diffraction, surface roughness, and microhardness, and then were subjected to erosion testing. An attempt has been made to describe the transformations taking place during thermal spraying. It is concluded that the HVOF wire spraying process offers a technically viable and cost-effective alternative to HVOF powder spraying process for applications in an energy generation power plant with a point view of life enhancement and to minimize the tube failures because it gives a coating having better resistance to erosion.
Starting Page	699
Ending Page	704
Page Count	6
File Format	PDF
ISSN	10599495
Journal	Journal of Materials Engineering and Performance
Volume Number	15
Issue Number	6
e-ISSN	15441024
Language	English
Publisher	Springer-Verlag
Publisher Date	2006-01-01
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	high-velocity oxyfuel microstructure NiCr powder NiCr wire Characterization and Evaluation of Materials Materials Science Tribology, Corrosion and Coatings Quality Control, Reliability, Safety and Risk Engineering Design
Content Type	Text
Resource Type	Article
Subject	Mechanics of Materials Materials Science Mechanical Engineering

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