STUDYING THE CHROME-NICKEL CAST IRON STRUCTURE AND PROPERTIES AFTER MODIFICATION ON INDUSTRIAL SAMPLES
Issagulov A.Z. Kvon Sv.S. Kulikov V.Yu. Aubakirov D.R. Chsherbakova Ye.P.
2023Faculty of Metallurgy
Metalurgija
2023#62Issue 1122 - 124 pp.
The paper presents the results of studying the structure and properties of chrome-nickel cast iron samples obtained under production conditions. Cast iron with a given ratio of silicon and chromium smelted in an industrial arc furnace was treated with titanium carbide followed by modification with a complex modifier containing (Scanning electron microscope). As a result of the composition adjustment and appropriate processing, a mixed structure was formed represented by an austenite-ledeburite matrix, iron, chromium and titanium carbides and a small amount of free graphite, both lamellar and spherical. This structure is characterized by higher wear resistance and impact resistance compared to Nihard-2 but at the same time it shows lower hardness.
chrome-nickel cast iron , hardness , modification , structure , wear resistance
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KTU, Karaganda Technical University, Karaganda, Kazakhstan
KTU
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