ISSN:
1013-9826
Source:
Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
Topics:
Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
Notes:
Two types of Ni-based coatings were deposited by high velocity oxy-fuel (HVOF) sprayingprocess on ASTM 1020 low carbon steel substrate, and AISI 321 stainless steel was applied to thecontrast test. The influences of erosion rate on the erosion-corrosion synergism and erosion-wearmechanism of the two coatings were investigated systematically in a liquid/solid two-phase flow (5%H2SO4 +15% silica sand). The volume loss rates stemming from the erosion-corrosion synergism ofmaterials increased from 42~66% to 78~85% of the total volume loss rates when the erosion rate ofthe flow increased from 5 m/s to 10 m/s. It was indicated that the erosion-corrosion synergism wasprimary for the material removing during the erosion-corrosion process. Cutting, wear and plowingwere the main features for Type-A coatings, while cutting, plowing and plastic deformation were themain characters for Type-B coatings and the two steels
Type of Medium:
Electronic Resource
URL:
http://www.tib-hannover.de/fulltexts/2011/0528/01/57/transtech_doi~10.4028%252Fwww.scientific.net%252FKEM.373-374.585.pdf
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