Căutare Fascicula IX după Titlu
Afișează articolele 210-229 of 552
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Influence of Ph galvanic Baths on the Nickel Deposits
(Universitatea "Dunărea de Jos" din Galați, 2009)The influence of pH on cathodic and anodic current efficiency, surface quality and morphology of nickel deposit in the electrolyte solutions of the Watts bath type was investigated. Cathodic current efficiency of nickel ... -
Influence of reduction scheme on hardness cold rolled strip mark steel ST 12
(Universitatea "Dunărea de Jos" din Galaţi, 2016)The paper presents the results of the research on the influence of the evolution hardness scheme rolled steel, for the cold-rolled strip steel St 12. St 12 is intended for the manufacture of cold rolled strip stamping ... -
Influence of Secondary Refining Treatments on the Quality of High-Grade Steel Used in Oil and Gas Industry
(Universitatea "Dunărea de Jos" din Galați, 2015)Steel is the most important alloy used in oil and gas industry from production and processing to the distribution of refined products. In this research is analyzed the production technology of steel intended for long ... -
Influence of Sintering Temperature on the Structure of Yttrium Based Phosphor Nanoparticles
(Universitatea "Dunărea de Jos" din Galați, 2017)Yttrium-based phosphor materials belonging to the class known as garnets have witnessed a strong return with the development of the first white LEDs. Among these materials, yttrium aluminum garnet doped with cerium has ... -
Influence of Some Technological Parametersof Fluidized Bed Carbonitriding on the Surface Hardness of Carbonitrided Parts from Low Allow Steels
(Universitatea "Dunărea de Jos" din Galați, 2016)The paper describes the experimental research of thermos-chemical treatment of carbonitriding performed on samples of different brands of low alloy steels. The technological parameters whose influence on the carbonitrided ... -
Influence of Steel Modification Allied with 4-7%Si on Macrostructure
(Universitatea "Dunărea de Jos" din Galați, 2006)The goal of this paper is to test the effect of odification process of liquid steel with 4-7% silicon content, in the course of pouring out from steel-smelting furnace into ladlet, on macrostructure. The research settled ... -
Influence of Substrate Temperature on Structural and Morphological Properties of SnO2 Nanostructured thin Films
(Universitatea "Dunărea de Jos" din Galaţi, 2013)SnO2 nanostructures thin films with thickness of 500 nm were prepared by electron beam-physical vapor deposition on glass substrate at temperature of 300, 373, 443, and 583 K. Structural and morphological properties of ... -
Influence of Technological Parameters on the Evolution of Nickel Films Deposited by Electrolysis
(Universitatea "Dunărea de Jos"din Galați, 2009)The influence of technological parameters on the structure of nickel layers electrodeposited on a copper substrate in a Watts bath has been studied. The complex influence of current densities, temperature and pH values ... -
Influence of the Anodic Oxidation Treatment on the Corrosion Behaviour of Aluminium and Aluminium Alloyss
(Universitatea "Dunărea de Jos" din Galați, 2015)This paper deals with the effect of anodic oxidation treatment on the corrosion behaviour of 6061 aluminium alloy in natural sea water. Anodic oxidation treatment leads to the formation of an amorphous oxide layer on the ... -
Influence of the Chemical Composition on the Behavior of Austenitic Stainless Steel in Fliid Layer Nitriding Process
(Universitatea "Dunărea de Jos" din Galaţi, 2008)The main factors that influence the stainless steel behavior to the nitriding process are: chemical composition, nitriding temperature, treatment time. Researches have revealed that, with low temperature nitriding, the ... -
Influence of the Furnace Temperature in Continuous Flux quenching on the Characteristics of Low Carbin Steel Straps
(Universitatea "Dunărea de Jos" din Galați, 2007)In this paper there are presented mechanical characteristics (resiliency, elongation) and structural characteristics resulted from quenching thermal treatment made on an experimental installation, in continuous flux, on ... -
Influence of the Unconventional Treatment Applied to a Steel on the Corrosion Evolution
(Universitatea "Dunărea de Jos" din Galați, 2016)The study of an alloyed steel with Cr Mo with an important content of aluminum (0.9…1.2%), unconventionally treated in magnetic field, is attractive because of the durability which increases along with the improvement ... -
Influence of Thermal Treatment on Zirconia Powder
(Universitatea "Dunărea de Jos" din Galați, 2013)Zirconia powder in amorphous state was prepared by electrolytic deposition method (ELD) and then it was subjected to a thermal treatment according to a typical diagram. The structural changes in zirconia powder induced ... -
Influence Pressure and Size Particle to Extraction by CO2
(Universitatea "Dunărea de Jos" din Galaţi, 2008)Supercritical fluid extraction (SFE) is an efficient extraction technique for the separation of various organic compounds from herbs, or more generally, from plant materials. These proporties of SFE make the products ... -
Integrated Analytical Study for the Somes Metalic Artefact Discoveri in IBIDA SITE, Romania
(Universitatea "Dunărea de Jos" din Galați, 2012)The paper presents the results of the analyses conducted using the SEM-EDX and micro-FTIR co-assisted techniques, on several metallic artefacts unearthed during the excavations at the (L)Ibida archaeological site in Slava ... -
Intercritical Thermomechanical Treatments Applied to the Steel Heavy Plates
(Universitatea "Dunărea de Jos" din Galați, 2010)This paperwork shows the laboratory experiments made on X60 and X65 steels with several intercritical thermomechanical treatment applications. Two variants were used: "down-up" thermomechanical treatment with heating and ... -
Intercritical Thermomechanical Treatments of the Microalloyed Steel Products for Welded Structures
(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 ... -
Intermetalic Copper Phase Characteristics and Links with the Gold Sphere in Alumina Cover Sheets
(Universitatea "Dunărea de Jos" din Galați, 2007)The time period in which the intermetalic sheet cover is developed into the gold sphere in alumina is fully known being relatively not much literature regarding the morphology ant intermetalic phases growth in the copper ... -
Introduction to Metallic Biomaterials
(Universitatea "Dunărea de Jos" din Galați, 2017)The paper presents a bibliographic study about the metallic biomaterials, synthesizing the aspects related to properties, applicability, obtaining methods. Biomaterials can be used as medical devices, implants and ... -
Investigation of Corrosion Protection by Chemically Applied Patina on Artistic Bronzes
(Universitatea "Dunărea de Jos" din Galaţi, 2012)Increase of pollution in recent years, requires monitoring of the corrosion behavior of artistic bronzes coated with syntetic patina, in urban atmosphere. This present work aims to investigate the corrosion rezistance ...