Căutare după Subiect "powder metallurgy"
Afișează articolele 1-14 of 14
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Characterization of Iron and Low Alloy Steel Powders Obtain by Water Atomization
(Univerversitatea "Dunărea de Jos" din Galați, 2009)Three types of iron and low ally steel powders were investigated to determinate their physical properties and surface morphology by SEM analysis. The powders were obtained by water atomization. The first type of powder ... -
Dimensional Changes in Some Iron-Based Powder Metallurgy Alloys
(Universitatea "Dunărea de Jos" din Galați, 2015)The purpose of this paper is to present the dimensional changes in some ironbased (P/M) alloys. The specimens produced from atomized iron powder and alloyed powder with different sizes (< 45, 45-63, 63-100, 100-150, >150 ... -
Influence of Alloying Elements on Corrosion Resistance of Some Iron - based Sintered P/M Alloys
(Universitatea "Dunărea de Jos" din Galați, 2015)In this paper is described the influence of alloying elements on corrosion behavior of sintered iron parts. The compacts were sintered at 1,150 °C and the sintering time was 60 minutes. After microstructural studies, the ... -
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 ... -
Microstructural Characteristics of Sintered Powder Metallurgy Alloys
(Universitatea "Dunărea de Jos" din Galaţi, 2014)The purpose of this paper is to study the influence of processing parameters on the microstructural characteristics of sintered powder metallurgy alloys. The specimens were produced from atomised iron powders with different ... -
Reasearches Regargindg the Influence of Steam Oxidation on Sintered Alloys Properties
(Universitatea "Dunărea de Jos" din Galaţi, 2013)In this paper is studied the influence of steam treatment applied on sintered steels and the mechanical properties and abrasive wear behavior for two different types of powder. Steam treatment was carried out at temperature ... -
Research on the Influence of the Complementary Phase Percentange on the Properties of Copper-Based Composites
(Universitatea "Dunărea de Jos" din Galaţi, 2014)The article presents the method to obtain copper matrix composite with Cu- Al-Fe alloy particles as complementary phase. The samples were obtained by powder metallurgy methods using different percentages of complementary ... -
Research on the Production of Sintered Powder 316
(Universitatea "Dunărea de Jos" din Galați, 2012)The 316 austenitic stainless steel powders are typically used in applications requiring good corrosion resistance, mechanical strength at high and very low temperatures, good ductility, wear resistance, associated in ... -
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 ... -
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 ... -
Studies and Research Obtaining Bronze Filters Using Powder Metallurgy Methods
(Universitatea "Dunărea de Jos" din Galați, 2015)The article presents how to obtain porous bronze products using copper - based powder by powder metallurgy methods. The formation of tablets was done by free pouring the spherical powder into the mould, followed by their ... -
Study of the Sintering Process of Iron Powders Coated with Nano-Hydrocarbon and the Resulting Microstructure at Temperatures up to 1200°C
(Universitatea "Dunărea de Jos" din Galați, 2009)The objective of the research is development and study of a new ecologically friendly and technologically advanced method for introduction of carbon during sintering of low alloyed iron powders ASC 100.29. The method is ... -
The Influence of Steam Treatment on Mechanical Properties and Abrasive Wear Behavior of Sintered P/M Steels
(Universitatea "Dunărea de Jos" din Galaţi, 2012)In this paper is a study of the influence of steam treatment on sintered P/M steels, for three different types of powder. The abrasive wear of steam-treated sintered iron is analysed by abrasion tests. The specimens were ... -
Wear Behavior of Carburizing on Powder Metallurgy Alloys
(Universitatea "Dunărea de Jos" din Galați, 2014)In this paper is studied the influence of wear behavior of carburizing in fluidized-bed on sintered alloys produced by powder metallurgy route. In powder metallurgy, carburization is a thermochemically treatment that ...
