Metal Science and Heat Treatment

, Volume 59, Issue 11–12, pp 675–681 | Cite as

Improvement of Properties of High-Strength Cast Irons by Surfacing a Metal with Globular Graphite

CAST IRONS
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The possibility of sparing reconditioning of parts and mechanisms produced from high-strength cast iron by surfacing a metal identical to the base one but containing no scarce and expensive elements is studied. The chemical composition of the coating is determined experimentally. The mechanical properties of the deposited metal are determined. The results of the experiment are analyzed, and the composition of the powder wire blend providing formation of a ferrite-pearlite structure and globular graphite in the surfaced metal is determined. The structural components of the deposited metal are described. The optimum content of calcium in the cast iron with structurally free globular graphite is specified.

Key words

high-strength cast iron structural materials surfacing elongation hardness conventional yield strength globular graphite ultimate tensile strength alloying composition microstructure 
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© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Sumy State UniversitySumyUkraine

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