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The influence of the technological parameters on the efficiency of the metal melts alloying process by pulverulent material injection

V. GEANTĂ1,* , R. ŞTEFĂNOIU1, I. VOICULESCU1, D. D. DAISA2

Affiliation

  1. Faculty of Materials Science and Engineering, POLITEHNICA University of Bucharest
  2. R&D Department, METAV-CD Bucharest

Abstract

The alloying of the metal bath represents a usual way in the advanced materials obtaining and refining processes. For this, in the metallic melt are introduced various adding materials, having the role of correcting the chemical composition. A new technology, which allows the precision (micro-) alloying of the metallic melts, is represented by the pulverulent material injection. The aim of the work is to present the experimental results and conclusions regarding the study of the nature and dimension of the pulverulent material particle injected into a non-alloyed metal melt on the alloying efficiency. The experiments were developed under various technological conditions, by variation of the nature and flow rate of the injected gas..

Keywords

Injection, Pulverulent material, Graphite, Alloying, Metallurgical efficiencies.

Submitted at: March 10, 2011
Accepted at: July 25, 2011

Citation

V. GEANTĂ, R. ŞTEFĂNOIU, I. VOICULESCU, D. D. DAISA, The influence of the technological parameters on the efficiency of the metal melts alloying process by pulverulent material injection, Journal of Optoelectronics and Advanced Materials Vol. 13, Iss. 7, pp. 921-925 (2011)