Căutare 1993 -2018 după Titlu
Afișează articolele 243-262 of 552
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Magnetical Properties of Silicon Steels Used for Electrotechnical Industries
(Univeristatea "Dunărea de Jos" din Galaţi, 2008)This paper-work shows the laboratory experiments achieved on more silicon steel plates, where the magnetic ranges were spot- lighted by particular technical requirements. On the same plates the texture analyses were made ... -
Making Cast Piece Using Exothermic Head
(Universitatea "Dunărea de Jos' din Galați, 2009)In this paper presents a study about cost of part obtained with exothermal heads by replacement of classic heads. This method contributes to conduct solidification of cost pieces, because exothermal heads are forecast ... -
Management of the Environmental Risks Identified in an Organization
(Universitatea "Dunărea de Jos" din Galați, 2017)Response to risk is a process that is directly involved in risk management and is governed by the organization's security strategy, environmental characteristics and security mechanisms. The management identifies the ... -
Manufacture of Stud Link Chain Cable Made of Grade U1 and U2 Steel
(Universitatea "Dunărea de Jos" din Galați, 2007)We have analyzed the fabrication technology of the link chain cable made of grade U1 and U2 steel from TREFO S.A. Galati and we had in view during the experiments several rolling programs. The main characteristics of a ... -
Mass Erosion and Material Transfer at the Deposition of Layers by Inverse Electroerosion
(Universitatea "Dunărea de Jos" din Galaţi, 2008)The deposition and alloying of the superficial layers by inverse electroerosion or by electric spark given by a vibrating electrode permits to obtain a large scale of properties at the surface of metallic materials from ... -
Materials Used for Manufacturing Some Objects from 1600 Before Christ - 500 After Christ Period
(Universitatea "Dunărea de Jos" din Galați, 2010)The appearance and the spreading of metallic objects produced a profound social change. The early metallurgy included two ages: The Bronze Age and The Iron Age. The late Bronze Age is considered to be the most important ... -
Mathematical Model Cooling Agglomeration Ferrius in Layer
(Universitatea "Dunărea de Jos" din Galați, 2009)Mathematical model is based on discretization agglomeration areas layer deposited on very small. The τ Δ cooling time and the elements of space and elements xi time relationship is discretization as volume control. Based ... -
Mathematical Model of the Strip Rolling Made of the Sinterized Metallic Powders
(Universitatea "Dunărea de Jos" din Galați, 2005)The minimum-power method has been used to investigate the final ratio soft-layer thickness to tough-layer thickness in bimetals with porous layer rolling. The velocity fields has been determined and the total deformation ... -
Mathematical Modeling of the Heat Treatment Process Applied to Alloy Al-Zn-Mg-Cu-4.5% Zn, Used in Aeronautics
(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 ... -
Mathematical Modelling of Steel Continuous Casting Hydrodynamics (1)
(Universitatea "Dunărea de Jos" din Galați, 2006)The quality increase of steel continuous casting and a reliability indices of afferent installations imposes the automation systems adoption of machines of continuous casting of steel. In this paper enters original ... -
Measurement and Analysis of Vibrations on a Cold Rolling Mill for Steel Strip
(Universitatea "Dunărea de Jos" din Galați, 2012)In this paper the authors made measurements and registration of vibration by using accelerometers posted on the top backup rolls. This is a new way for predict the damage in the rolling mill equipment and the precision ... -
Measures to Optimize Job Security "Crane machinists who Transport Liquid Steel"
(Universitatea "dunărea de Jos" din Galați, 2013)The starting point in optimizing the prevention of occupational accidents and occupational diseases for a crane machinist for the transport of liquid steel is the risk assessment of the system. Risk assessment involves ... -
Mechanical and Tribological Properties of TiCxOy Thin Films
(Universitatea "Dunărea de Jos" din Galați, 2005)The main purpose of this work consists on the preparation of single layered titanium oxycarbide, TiCxOy, thin films, deposited by d.c. reactive magnetron sputtering. The depositions were carried out from a TiC solid ... -
Mechanical properties and Abrasive Wear Behavior of Fluidized-bed Carburized Sintered Iron Alloys
(Universitatea "Dunărea de Jos" din Galați, 2012)This paper is a study of the influence of fluidized bed carburizing of sintered steels on the mechanical properties and the abrasive wear behavior for two different types of powder. Carburizing was carried out at a ... -
Mechanical Resistance as a Function of Local Properties
(Universitatea "Dunărea de Jos" din Galați, 2007)The present study makes an estimation of an automotive engine piston mechanical properties and fatigue life based on some characteristics of metallurgical microstructure. Because it is intended to assess the properties ... -
Mechanical Resistance on Cold Welding Achievement Between Cogged Sufaces
(Universitatea "Dunărea de Jos" din Galaţi, 2008)Cold welding on cogged surfaces is a technology developed by researchers from Robotics and Welding Department, Dunarea de Jos University of Galati. Easily deformable samples, having plane surfaces, are pressed on cogged ... -
Mechano-Erosion: A Novel Test Methodology to Accelerate Erosion in Rolling Contact Fatigue Experiments
(Universitatea "Dunărea de Jos" din Galați, 2008)Rolling contact fatigue testing of rolling elements with low saturation temperature lubricants result, in several difficulties. Mainly, uncontrolled phase changes due to flow dynamics often cause difficulties in assessing ... -
Melting-Casting Plant Using Vibrating of Melts in Order to Obtain Composite with Tehnological Utility
(Universitatea "Dunărea de Jos" din Galați, 2010)This paper presents the obtaining of composites materials with technological utility through vibration technology. In order to obtain these composites, and plant was designed and manufactured. In order to show the ... -
Mercury Determination from Incidentally Polluted Waters by Collecting Gravimetry in Organic Stage Method
(Universitatea "Dunărea de Jos" din Galați, 2006)Determination of mercury in incidentally polluted waters, presented in CALIST Program, was carried out using tiobis-β-naphthol as a reagent. The method proposed for mercury determination, named “collecting gravimetry in ... -
Metal Heating Furnace with Flue Gas Condensation. A Thermoeconomic Analysis
(Universitatea "Dunărea de Jos" din Galaţi, 2014)The heat treating furnaces are one of the largest energy consumers in the manufacturing sector and therefore many techniques to improve their energy efficiency have been developed. One of them focuses on the recovery of ...
