Litʹë i Metallurgiâ (Mar 2017)

COMPLEX MODIFICATION OF GRAY CAST IRON

  • O. S. Komarov,
  • E. V. Rozenberg,
  • K. E. Baranowski

DOI
https://doi.org/10.21122/1683-6065-2017-1-16-20
Journal volume & issue
Vol. 0, no. 1
pp. 16 – 20

Abstract

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The influence of the complex modifier by chemical – active and surface-active additives of gray cast iron on the size of chill and on the width of molted iron zone was researched. The width of a chill zone and molted iron zones were measured at chank ends of various diameter cores. The cores were casted on a massive steel plate and also in standard chill tests. It was established that additional adding of surface-active bismuth in structure of various graphitizing modifiers promoted to reduce the width a chill zone and molted iron zones. It was established that the complex modifiers consisting of chemical – active and surfaceactive components are effective in fight with chill in cast iron castings and can be recommended for application in foundry shops of the entities of a machine-building profile for production of high-quality castings.

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