Articole din publicaţii internaţionale: Recent submissions

  • The role of the friction process in abrasive grain micro cutting technology 
    MAZURU, S.; SCATICAILOV, S. (IOP Publishing, 2021)
    The process of micro-cutting with abrasive grain - complicated tribological phenomenon. The removal of the chip-shaped material from the surface of the semi-finished product is accompanied by elastic and plastic deformations ...
  • The processing accuracy of the gear 
    MAZURU, Sergiu; CASIAN, Maxim; SCATICAILOV, Serghei (EDP Sciences, 2017)
    The paper presents analysis of processing quality of gears. A special attention was drawn to detecting and removing burns, the existence of which greatly reduced operating properties of gears. The study emphases the influence ...
  • Some aspects of the nitriding process of parts in machine construction 
    MAZURU, S.; TRIFAN, N.; MAZURU, A. (IOP Publishing, 2021)
    Nitriding is the most common and effective surface hardening method. Such chemical-thermal treatment is capable of increasing surface hardness, contact endurance, wear and seizure resistance, as well as heat resistance and ...
  • Simulation of the Pressing Process with Combined Forces by Using ABAQUS Software 
    MARDARI, Alexandru; MAZURU, Sergiu (Trans Tech Publications Ltd, 2013)
    Actual for machines building is it the problem of finding technological solutions to increase the quality of parts, increase productivity and save resources. Greater interest in it shows the materials that incorporate a ...
  • Requirements and solutions for a device for wire electrical discharge machining 
    SLĂTINEANU, Laurenţiu; COTEAŢĂ, Margareta; BOSOANCA, Gheorghe; DODUN, Oana; HRIŢUC, Adelina; BEŞLIU, Irina; MAZURU, Sergiu (Romanian Association of Nonconventional Technologies, 2021)
    Rectilinear kerfs in workpieces made of hard electroconductive materials can be made by wire erosion electrical discharge machining. However, since machine tools intended for such machining are rarer and more expensive, ...
  • Numerical simulation of the operation of a plasma gun in mission to Mars planet 
    CHERECHEŞ, Tudor; LIXANDRU, Paul; DRAGNEA, Daniel; MAZURU, Sergiu (IJMMT, 2015)
    The authors present the results of the numerical simulations of the thermo mechanical processes taking place inside the coaxialplasmagun and at the interaction between high speed gas jet and the dust deposited on the ...
  • Numerical Simulation of Plastic Deformation Process of the Glass Mold Parts 
    CHERECHES, Tudor; LIXANDRU, Paul; MAZURU, Sergiu; COSOVSCHI, Pavel; DRAGNEA, Daniel (Trans Tech Publications Ltd, 2014)
    To achieve the major objectives of the numerical simulation of the technological process of cold plastic deformation, are incorporated into the physical model three types of surfaces: cylindrical, conical and profiled. The ...
  • Method for Determining the Gear Wheels Profile 
    MAZURU, Sergiu; CASIAN, Maxim (Trans Tech Publications Ltd, 2013)
    In this paper we try to find a better methodology to transform a file obtained from 3D scan (precessional gear wheel), which can be used only as a copy, into a file with functional extension. Transformation will result in ...
  • Influence of Processing Parameters on the Quality of the Superficial Layer after Processing Surfaces by Plastic Deformation 
    BOTNARI, Vlad; MAZURU, Sergiu (Trans Tech Publications Ltd, 2014)
    On the properties of exploitation of the parts, a major influence has the quality parameters of working surface. Under the term "quality superficial layer" it is understood the integrity of such indices as: geometric ...
  • Impact phenomena at the abrasive jet machining 
    SLĂTINEANU, Laurenţiu; COTEAŢĂ, Margareta; POP, Nicolae; MAZURU, Sergiu; COELHO, Antonio; BEŞLIU, Irina (Romanian Association of Nonconventional Technologies, 2009)
    The abrasive jet machining is based on the material removal due to the hard particles motion in contact with the workpiece surface. Certain physical and mechanical conditions must be fulfilled to generate a process of ...
  • Determination of the expert knowledge base on the basis of a functional and diagnostic analysis of a technical object 
    DUER, Stanisław; DUER, Radosław; MAZURU, Sergiu (Romanian Association of Nonconventional Technologies, 2016)
    This paper presents a method to control an operation process of a complex technical object, with the use of trivalent diagnostic information. Also, a general diagram of the complex technical object was presented, and its ...
  • Constructive methods to ensure the accuracy of technological-quality indicators gears 
    MAZURU, Sergiu; METELSKI, Vitali (ModTech Publishing House, 2012)
    One of the problems of modern engineering is to increase the reliability of critical machine parts, which is largely determined by their performance characteristics and quality of the surface layer. Due to the increasing ...
  • Axial adjustment method for precessional transmissions 
    BOSTAN, I.; MAZURU, S.; TOCA, A.; CASIAN, M. (Editura Universităţii Ştefan cel Mare din Suceava, 2017)
    Axial adjustment method for precessional transmissions includes the compensation error calculation and the determination compensator groups, achieved in the form of base and auxiliary rings. The compensator has on the base ...
  • Aprecierea calităţii organelor de maşini la etapa de pregătire tehnologică a producţiei 
    BOSTAN, Ion; MAZURU, Sergiu; VACULENCO, Maxim (Universitatea Tehnică „Gh. Asachi“, Iaşi, 2004)
    În lucrare se prezintă o analiză a preciziei roţilor dinţate, executate după procesul tehnologic care include operaţiile termice şi chimico-termice de prelucrare. O acţiune considerabilă la starea materialului are metoda ...
  • A Study Concerning the Workpiece Profile after Grinding Process of Precessional Gear Wheels 
    CASIAN, Maxim; MAZURU, Sergiu (Trans Tech Publications Ltd, 2014)
    In this paper we present a study of issues related for determination the real profile and the theoretical one of the precessional gear wheels.
  • The protective role of dissolved carbon dioxide against wine oxidation: a simple and rational approach 
    DEVATINE, Audrey; CHICIUC, Igor; MIETTON-PEUCHOT, Martine (International Viticulture and Enology Society, IVES, 2011)
    It is shown that complete protection is only obtained when carbon dioxide is generated by the fermentation in the liquid. An interesting parallel conclusion is that micro-oxygenation is totally inefficient in such periods. ...
  • The contact surface of oak chips / wine determined by image analysis 
    CHICIUC, Igor; CHICIUC, Andrei (Array, 2017)
    The study is focused on measuring the oak chips/wine contact surface. Five samples were analysed with the doses used in oenology (2; 3; 4; 5 g.L−1). For example, for the dose of 2 g.L−1 there were obtained the surfaces, ...
  • Reactivity of volatile thiols with polyphenols in a wine-model medium: Impact of oxygen, iron, and sulfur dioxide 
    NIKOLANTONAKI, Maria; CHICIUC, Igor; TEISSEDRE, Pierre-Louis; DARRIET, Philippe (Elsevier, 2010)
    As volatile thiols are nucleophiles, they are capable of additional reactions with electrophiles. In enology, this concerns reactions between volatile or non-volatile thiols and oxidized phenolic compounds. Initial studies ...
  • Micro-oxygenation of wine in presence of dissolved carbon dioxide 
    DEVATINE, Audrey; CHICIUC, Igor; POUPOT, Christian; MIETTON-PEUCHOT, Martine (Elsevier, 2007)
    Techniques for micro-oxygenation of wines are now accepted practices in wine manufacturing. But, at present time, only wine tasting and empirical know-how are used to control the oxygen input. Our work aims at a better ...
  • Effect of Wine Properties and Operating Mode upon Mass Transfer in Micro-Oxygenation 
    CHICIUC, Igor; FARINES, Vincent; MIETTON-PEUCHOT, Martine; DEVATINE, Audrey (Berkeley Electronic Press, 2010)
    All along wine-making and during its ageing, oxygen plays an important role for the evolution of the wine. Solubilization of oxygen into musts or wines occurs when gaseous oxygen is brought into contact with the liquid. ...

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