UGC Approved Journal no 63975(19)

ISSN: 2349-5162 | ESTD Year : 2014
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Published in:

Volume 6 Issue 5
May-2019
eISSN: 2349-5162

UGC and ISSN approved 7.95 impact factor UGC Approved Journal no 63975

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Published Paper ID:
JETIRCW06024


Registration ID:
217038

Page Number

115-119

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Title

HOT CORROSION BEHAVIOR OF HVOF COATED T11 STEEL IN HIGH TEMPERATURE ENVIRONMENT

Abstract

High temperature corrosion is an acute form of corrosion occurring at elevated temperature in the presence of aggressive environment. To protect materials from this type of corrosion, a wide variety of materials can be deposited on the materials by several spraying processes. The present study was focused on the hot corrosion behavior of HVOF sprayed Cr3C2-NiCr coatings with different proportions on T11 steel. The hot corrosion behavior of coated as well as bare boiler steels was evaluated in the simulated environment of Na2SO4–60% V2O5 under cyclic conditions at 700oC. The kinetics of the corrosion was approximated by the weight change measurements made after each cycle for a total period of 50 cycles. Each cycle consisted of 1 h heating in a tube furnace followed by 20 min cooling in ambient air. X-ray analysis (SEM/EDAX) techniques were used to analyze the corrosion products. The Cr3C2-NiCr coated steels showed lesser weight gains and the oxide scales remained intact till the end of the experiment. The phases revealed in the oxide scales of the coated specimens were mainly oxides of chromium and nickel which are reported to be protective against the hot corrosion. The conclusion was Cr3C2-NiCr coating on the boiler steel was successful to decrease the hot corrosion.

Key Words

corrosion, analysis techniques, Coating

Cite This Article

"HOT CORROSION BEHAVIOR OF HVOF COATED T11 STEEL IN HIGH TEMPERATURE ENVIRONMENT", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.6, Issue 5, page no.115-119, May 2019, Available :http://www.jetir.org/papers/JETIRCW06024.pdf

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2349-5162 | Impact Factor 7.95 Calculate by Google Scholar

An International Scholarly Open Access Journal, Peer-Reviewed, Refereed Journal Impact Factor 7.95 Calculate by Google Scholar and Semantic Scholar | AI-Powered Research Tool, Multidisciplinary, Monthly, Multilanguage Journal Indexing in All Major Database & Metadata, Citation Generator

Cite This Article

"HOT CORROSION BEHAVIOR OF HVOF COATED T11 STEEL IN HIGH TEMPERATURE ENVIRONMENT", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.6, Issue 5, page no. pp115-119, May 2019, Available at : http://www.jetir.org/papers/JETIRCW06024.pdf

Publication Details

Published Paper ID: JETIRCW06024
Registration ID: 217038
Published In: Volume 6 | Issue 5 | Year May-2019
DOI (Digital Object Identifier):
Page No: 115-119
Country: -, -, - .
Area: Engineering
ISSN Number: 2349-5162
Publisher: IJ Publication


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