[PDF] Top 20 Chromium and copper influence on the nodular cast iron with carbides microstructure
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Chromium and copper influence on the nodular cast iron with carbides microstructure
... metal and its maximum ...in the mould. The mould scheme and its dimensions are shown in Figure ...into the reaction chamber. This chamber was located in the gating system behind ... See full document
8
Influence of tungsten and titanium on the structure of chromium cast iron
... cooling, the crystallisation of cast iron deviates from the equilibrium ...that the austenite gets supersaturated with carbon and chromium, which greatly reduces ... See full document
4
The Influence of Small Amounts of Aluminium on the Spheroidization of Cast Iron with Cerium Mischmetal
... in the quantity of either about 0.6% (the alloy from melt ...to the arising of the ferrite-pearlite matrix containing the precipitates of free cementite despite the significant ... See full document
6
New developments in high quality grey cast irons
... Abstract: The paper reviews original data obtained by the present authors, revealed in recent separate publications, describing speciic procedures for high quality grey irons, and relecting ... See full document
14
Analysis of quality and cost of FeSiMg treatment master alloy vs. cored wire in production of ductile cast iron
... studies on the use of FeSi5%Mg magnesium alloy in modern cored wire injection method for production of nodular and vermicular graphite cast irons were ...described. The injection ... See full document
4
Characterization and Metal Detoxification Potential of Moderately Thermophilic Bacillus cereus from Geothermal Springs of Himalaya
... cereus-TA2 and B. cereus-TA4) used in the present study were isolated from the geothermal spring of Hunza valley, Gilgit, ...showed the ability to withstand and grow at high temperature ... See full document
7
The Impact of the Expansion of the Bolsa Familia Program on the Time Allocation of Youths And Their Parents Lia Chitolina Miguel Nathan Foguel Naercio Menezes-Filho
... As the multinomial model is non-linear, the marginal effect of the treatment in a DID model is not the marginal impact of the interaction between time and treatment, but ... See full document
39
Formation mechanism of bimetal composite layer between LCS and HCCI
... through the above production process can be controlled within 20-23 ...that the substrate thickness is more than 10 mm, and the wear layer thickness can be adjusted according to the ... See full document
6
Filtration of aluminum alloys and its influence on mechanical properties and shape of eutectical silicium
... by the influence of multiple ...films. The surface oxide films are entrained into the melt, what causes high porosity of test sample and so reduce effective section during a tensile ... See full document
4
J. Braz. Chem. Soc. vol.22 número5
... exchangers and sorbents need to be ...matrices and voltammetric techniques can be a desirable analytical choice, considering their relatively low cost, simplicity, good sensitivity and selectivity, ... See full document
8
A study of test data for an informed assessment of old metallic structures and early reinforced concrete structures
... in the use of metallic materials happened during the industrial revolution ...In the 19 th century the traditional building techniques that have been used up to that time were considerably ... See full document
132
Synthesis of nanoparticeles in ductile iron with small additions of vanadium and niobium and its mechanical properties
... Ductile iron is a modern construction material and offers wide range of mechanical properties with simultaneous high wear resistance and dumping capacity ...ductile iron ensure ... See full document
8
A comparative evaluation of biological activities and bioactive compounds of the seagrasses Zostera marina and Zostera noltei from southern Portugal
... and metal chelation activity on iron (MCAI) and copper (MCAC) of extracts Z.. Selectivity index (SI) of Z[r] ... See full document
8
Mat. Res. vol.9 número2
... in the literature have focused on reinforcing alumina with different refractory carbides and nitrides in order to improve hardness, fracture toughness and wear ...resistance. ... See full document
4
Mat. Res. vol.6 número3
... purification. The precursor so- lutions of barium, bismuth and tantalum were prepared by adding the raw materials into ethylene glycol and citric acid with heating and stirring ... See full document
5
Influence of vibrations during crystallization on mechanical properties and porosity of AlSi13Cu2 alloy
... of the alloy consisted of the NEOPHOT 32 metallographic microscope equipped with high resolution camera connected to computerized system of image ...Next, with use of the MULTISCAN ... See full document
4
AMMONIA VOLATILIZATION FROM COATED UREA FORMS
... of the medium has been studied for many years, mainly based on mixtures of urea with other acidifying N sources (Lara Cabezas et ...because the ammonium sulfate is hygroscopic, mixing ... See full document
7
Braz. J. Chem. Eng. vol.32 número3
... by the 4-probe DC method under air, and the results are shown in Figure ...in the change of electrical conductivi- ties, with an initial increment, then a maximum to a subsequent ... See full document
9
Semi-solid processing method for cast iron
... external influence on metal alloys in semi- solid state, i.e. when the temperature of the alloy is between the liquidus temperature TL and solidus temperature TE, are commonly ... See full document
6
J. Braz. Soc. Mech. Sci. & Eng. vol.26 número1
... % The CGI manufacturing technique is decisive for its resulting ...machinability. The change in the graphite shape, from flake to compacted, is due to the action of magnesium, which is a ... See full document
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