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Journal of Materials Science Research and Reviews, .,Vol.: 2, Issue.: 4


Innovative Technology of Manufacturing of Reusable Metallurgical Equipment with Increased Operational Resistance from the Blast Furnace Cast Iron of the First Melting


V. V. Andreev1, L. V. Voronkova1* and D. A. Lybianoi1

1ROSATOM Scientific Centre of Russian Federation JSC RPA “CNIITMASH”, Russia.

Article Information


(1) Dr. Serkan Islak, Associate Professor, Department of Metallurgical and Materials Engineering, Faculty of Engineering and Architecture, Kastamonu University, Turkey.


(1) M. K. Gupta, Motilal Nehru National Institute of Technology, India.

(2) Bocîi Sevastian Liviu, “Aurel Vlaicu” University of Arad, Romania.

Complete Peer review History: http://www.sdiarticle3.com/review-history/46830


The parameters of complex non-furnace treatment of liquid blast furnace cast iron with pulsating inert gas injection are elaborated. The new technology makes possible a significant increase in the operational resistance of reusable metallurgical equipment (molds, pallets, slag chalices). The possibility of reuse of naturally alloyed cast iron in the form of broken molds under induction melting conditions for heat-resistant articles is shown. As a result, the additives dissolving and the cast iron refining accelerate and the time of the casting process reduces. It has been experimentally proven that using the ultrasonic testing method (UT) to determine the longitudinal wave velocity in the mold it is possible to find the limit value of pourings providing the operation of molds without emergency destruction with molten metal leakage. This provides the safety of the process of steel castings manufacturing, the reduce of loss in steel dissolution and the preservation of the optimal ecologic environment in the foundry workshop.

Keywords :

Blast furnace cast iron; non-furnace treatment; pulsating blowing; molds; pallet; material properties; operational resistance; longitudinal wave velocity; cast iron microstructure; thermal cracks; thermal cyclic impact; dimensions of graphite inclusions; limit number of pourings; operational resistance of molds.

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