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Afișează articolele 2201-2220 of 2993
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Research Regarding the Investigation of Steel Hardness
(Universitatea "Dunărea de Jos" din Galați, 2004)Mobile hardness testing is on the advance: in these times of cost pressures and higher quality requirements there is a quick and economical supplement to stationary hardness testing in the modern production process. The ... -
Research Regarding the Possibility of Obtaining Nitinol by Powder Metallurgy
(Universitatea "Dunărea de Jos" din Galaţi, 2012)In the paper the obtaining of nitinol by pressing and sintering of a mixture of nickel and titanium powders is presented. The fabrication of NiTi alloys by powder metallurgy allows avoiding the usual problems related to ... -
Research Regarding the Wear Level for a new Constructive Solution of a Cutting Tool
(Universitatea "Dunărea de Jos" din Galați, 2014)The paper presents a study of wear made to implement a constructive solution for a new cutting tool. The design of the cutting tool can be checked from a functional perspective, as well as reliability during the cutting ... -
Research Regarding Work safety in the Loading Zone Furnace
(Universitatea "Dunărea de Jos" din Galați, 2013)The loading zone furnace is the place where we find work belt conveyors, vibrating screens and feeders, 5-ton hoist, cyclone, scale hoppers, troughs for routing and carriage of waste materials. The work consists in ... -
Researches Concerning Phase Transition of Zirconium Titanate Prepared by Electrolytic Method
(Universitatea "Dunărea de Jos" din Galați, 2006)Powder zirconium titanate ceramics obtained by an electrolytic method has been investigated. Continuous phase transition were found to occur in powder zirconium titanate above and below a major discontinuity at 1120oC±10oC. ... -
Researches Concerning the Correlation of the Semiplanetary Rolling Process Factors
(Universitatea "Dunărea de Jos" din Galați, 2005)An available solution of the elimination of the superficial cracks network at the continuous cast slabs is the semiplanetary rolling. The application of a semiplanetary rolling mill at the exit of slab from the curve zone ... -
Researches Concerning the Deformation Behaviour of a Low Carbon Steel
(Universitatea "Dunărea de Jos" din Galaţi, 2008)The paper shows the results of the researches meant to establish the equation of deformation behavior of low carbon steel. The behavior law is established by the experimental way, using the torsion test method. The ... -
A Researches for the Determination of the ATC Si10Mg Alloy Fatigue Life, function of Different Applied Thermal Treatment Cycles
(Universitatea "Dunărea de Jos" din Galați, 2005)The experimental researches which were made, emphasized the opportunity of applying heat treatment cycles, in order to increase fatigue life of ATC Si 10 Mg alloy. The increase of minimum fatigue resistance is approximately ... -
Researches of Distribution of Loading on Coils of Running Pair of the Latch
(Universitatea ”Dunărea de Jos” din Galați, 2006)This paper gives the calculation procedure of pressure distribution on coils of running pair of latch at various loading schemes. Recommendations are provided for the choice of loading schemes of running pair, which ensure ... -
Researches on the Acoustic Treatments with Composite Materials Panels at the Frontal Loader MMT45
(Universitatea "Dunărea de Jos" din Galați, 2012)The article presents the problem of the testing of some protective systems made of PU foam based composite materials which can simultaneously meet the following requirements: noise absorption for middle and high range ... -
Researches on the Corrosion Behavior for a Drawing Steel That Went Through Natural Ageing
(Universitatea "Dunărea de Jos" din Galați, 2009)The paper presents the results of a study on the corrosion behaviour of the sheets of drawing steel with 0,04% C gone through natural ageing and run for a period of 112 days from the moment of drawing. The researches ... -
Researches on the Pollution of Underground Waters in a Certain Part of Galati District
(Universitatea "Dunărea de Jos" din Galați, 2007)The paper underlines the importance of monitoring the quality of the underground waters and presents the experimental results as regards the pollution of underground waters in a certain part of Galati district. The final ... -
Researches on the Presence of Hydrogen During Continuous Casting of Steel
(Universitatea ”Dunărea de Jos” din Galați, 2009)Due to the negative effects that hydrogen has on steels, its content in steels has lately been given special attention. The paper presents the evolution of hydrogen content in steel during the manufacturing and continuous ... -
Researches on the Viscoplastic Behavior of a CrMo Alloyed Steel
(Universitatea "Dunărea de Jos" din Galați, 2009)The paper shows the results of the researches concerning the deformation behavior of alloyed steel with chromium and molybdenum. The plastic deformation behavior is researched in the experimental way, using the torsion ... -
Researches Regarding Improvement of the Fatigue Limit by Heat Treatments of the Al-Alloys for Aeronautics Industry
(Universitatea "Dunărea de Jos" din Galați, 2005)The laboratory experiments were made on the two aluminium alloyed qualities used for aeronautical industry. The structure and mechanical characteristics were analyzed and the gotten results were compared using those two ... -
Researches Regarding Temperature Influence on Classic and Synthetic Quenching Medium
(Universitatea "Dunărea de Jos" din Galați, 2009)In this paper were analyzed experimental graphics for quenching cooling curves of oil at 20°C,40°C,60°C, 80°C and carboxymethyl cellulose (CMC) 1,5% solution in water at the same temperatures. Velocity cooling was studied ... -
Researches Regarding the Rolling of the Sinterized Metallic Powders Strips
(Universitatea "Dunarea de Jos" din Galați, 2005)This paper work is distinguishing the size modification of those two material layers gotten by the bimetallic strip rolling, joined by the sintering. The iron powders sediment was achieved on the steel strip backing. ... -
Researches Regardingbthe Thermomechanical Treatments Influence on the Structure and Characteristics of the Aluminium Alloys for Aeronautics
(Universitatea "Dunărea de Jos" din Galați, 2005)The laboratory experiments were made on the two aluminium alloyed qualities used for aeronautical industry. More working conditions of the intermediary (PTMI) and finally (PTMF) thermomechanical treatments were used on ... -
Resesrches on the Production of Copper-Based Composites by Powder Metallurgy Methods
(Universitatea "Dunărea de Jos" din Galați, 2014)The article presents how to obtain copper matrix composite with alloy particles of NiCrBFeAl as complementary phase. The samples were obtained by powder metallurgy methods using different percentages of the additional ... -
Residual Stress and Tribology Behaviour of TiCx Coating Deposited by NPCVD Method
(Universitatea "Dunărea de Jos" din Galați, 2014)In this paper, thin TiCx films were 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. ...
