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Influence of Thermally Sprayed WC-Co-Cr Coatings on the Corrosion Characteristics of Ni-Al Bronze Alloy

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Abstract
WC-Co-Cr coatings were thermally sprayed onto a Ni-Al bronze (NAB) alloy using the high velocity oxy-fuel (HVOF) process in order to increase the corrosion resistance of the NAB alloy, which is widely used for ship propellers operating in seawater. The superior corrosion resistance of the WC-Co-Cr coated NAB alloy, relative to the uncoated NAB alloy, was demonstrated by plotting their potentiodynamic polarization curves and conducting 80-day duration immersion tests in a 3.5% NaCl solution. The anti-corrosive properties of the WC-Co-Cr coated NAB alloy were improved by shortening spray distances and increasing hydrogen flow rates in the HVOF process.
Author(s)
이루다김선정
Issued Date
2021
Type
Article
Keyword
CorrosionNi-Al bronze alloyTungsten carbide coatingBinder
DOI
10.20964/2021.07.40
URI
https://oak.ulsan.ac.kr/handle/2021.oak/8983
https://ulsan-primo.hosted.exlibrisgroup.com/primo-explore/fulldisplay?docid=TN_cdi_crossref_primary_10_20964_2021_07_40&context=PC&vid=ULSAN&lang=ko_KR&search_scope=default_scope&adaptor=primo_central_multiple_fe&tab=default_tab&query=any,contains,Influence%20of%20Thermally%20Sprayed%20WC-Co-Cr%20Coatings%20on%20the%20Corrosion%20Characteristics%20of%20Ni-Al%20Bronze%20Alloy&offset=0&pcAvailability=true
Publisher
INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE
Location
세르비아
Language
영어
ISSN
1452-3981
Citation Volume
16
Citation Number
7
Citation Start Page
210769
Citation End Page
210769
Appears in Collections:
Engineering > Material Engineering
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