Structure and wear characteristics of cast iron after laser surface modification
S. I. Yares’ko,
G. V. Guseva,
V. I. Shcherbakov
et al.
Abstract:The paper presents the results of studies of macro- and microstructure of alloyed chromium-vanadium cast iron after laser treatment (LT) in air using a continuous laser source with a variation in its power from 60 to 100 W and scanning speed of the laser beam varying from 5 to 17 mm/s. Metallography and durometry methods were used to determine composition and structure of the laser exposure zones (LEZ). It is shown that LT with a slight melting of the surface leads to a significant increase in microhardness in… Show more
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