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Stela CONSTANTINESCU

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Author: Stela CONSTANTINESCUYear: 2017clear all
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SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 17th International Multidisciplinary Scientific GeoConference SGEM2017, Energy and Clean Technologies
Publication

STUDIES AND RESEARCH CONCERNING THE CONTROL OF EMISSIONS AND GAS IN VARIOUS TECHNOLOGICAL PHASES

(STEF92 Technology, 2017-06-20, Stela Constantinescu)

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Simulation and testing technology of sintering flue gas recirculation, under Arcelor Mittal S.A.Galati proved its superiority compared to conventional sintering technology by: lower specific consumption of coke by approx. 10 to 15%; lower costs agglomeration; reduction of pollution due to: decrease of specific volume of exhaust gas to the basket by 45 - 50% ;decrease in the emission of SOx to basket approx. 55%; lowering NOx emissions from basket approx. 50%; CO2 emissions drop to approx basket. 20%; retention lay...

Air Pollution and Climate Change2017
SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 17th International Multidisciplinary Scientific GeoConference SGEM2017, Nano, Bio and Green - Technologies for a Sustainable Future
Publication

THE RESIDUAL STRESS AND TRIBOLOGY BEHAVIOUR OF TICX COATING DEPOSITED BY NPCVD METHOD

(STEF92 Technology, 2017-06-20, Stela Constantinescu)

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In this paper, thin films TiCx was coated by chemical vapour deposition method, and various duty cycles were carried out in order to observe the influence of this parameter on residual stress and tribology behaviours. The duty cycles were 35, 43 and 50% at 500uC operating temperature. Therefore, wear behaviour, hardness and chemical analyses of TiCx coating were characterised, and it was found that the residual stresses in the coating were compressive, which were- 1.4189, - 0.2985 and -0.1749 MPa at three differen...

Micro and Nano Technologies2017
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