Căutare Scientific papers - Annals of "Dunarea de Jos" University of Galati - Analele științifice ale Universității "Dunărea de Jos" din Galați după Autor "Neacșu, Marian"
Afișează articolele 1-6 of 6
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Experimental Investigations Concerning the Mathematical Model of Hard Deposits by High-Speed Flame Spraying
Petrov, Doina; Antonescu, Niculae Napoleon; Neacșu, Marian (Universitatea ”Dunărea de Jos” din Galați, 2008)A complex study was done by the paper’s authors using some independent models that take into account the combustion process, the particles’ dynamics, the fluid dynamics and also the particle fluid transfer processes when ... -
Improving of Functional Parameters for Pressure Casting Machine with High Degree of Finishing
Dragomir, Ștefan; Neacșu, Marian; Bordei, Marian (Universitatea "Dunărea de Jos" din Galați, 2009)The paper presents a mathematic model of static and dynamic characteristics for casting machine. This machine has a hydraulic action for the casting chamber (her closing and introducing of molten alloy). This action is ... -
Intercritical Thermomechanical Treatments of the Microalloyed Steel Products for Welded Structures
Vasilescu, Elisabeta; Doniga, Ana; Neacșu, Marian (Universitatea "Dunărea de Jos" din Galați, 2009)This paper shows the laboratory experiments made on several grade steels by applying some intercritical thermomechanical treatments; Two variants were used: “down-up” thermomechanical treatment with heating and rolling ... -
Mathematical Modeling of the Heat Treatment Process Applied to Alloy Al-Zn-Mg-Cu-4.5% Zn, Used in Aeronautics
Neacșu, Marian; Hanganu, Doru (Universitatea "Dunărea de Jos" din Galați, 2012)This paper presents mathematical modeling based on the regression analysis method by active experiment of a thermal treatment process applied to an alloy belonging to Al-Zn system, which finds application in aeronautics. Using ... -
Optimization of Thermomechanical Processing of Some Aluminum Alloys by Dimensional Interpolation Method Using the Matlab
Neacșu, Marian; Hanganu, Doru; Vasilescu, Elisabeta (Universitatea "Dunărea de Jos" din Galați, 2013)This paper presents results of research on optimization of thermomechanical treatment applied to an alloy of the Al-Zn-Mg-Cu system, used in the aviation industry.Optimizing thermomechanical treatment process is based ... -
Study of the Thermomechanical Treatment Post-Deformation Maintaining Time Influence on the Mechanical Characteristics of the Microalloyed Steels
Vasilescu, Elisabeta; Neacșu, Marian (Universitatea "Dunărea de Jos" din Galați, 2007)This paper-work shows the results of the laboratory researches of the postdeformation maintaining time influence on the physical-mechanical characteristics of the flat microalloyed steels, at high temperature thermomechanical ...