Cu/brass
Effect of cryogenic temperature and change of strain path on grain refinement during rolling of Cu-30Zn brass
... Considering the above similarities of microstructure evolution during cryogenic and conventional cold rolling, a possible benefit of cryogenic deformation for grain refinement in Cu–30Zn brass is not ...
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Microstructure response of cryogenically-rolled Cu-30Zn brass to electric-current pulsing
... cold-rolled Cu-30Zn brass ...deformed Cu-30Zn brass to ECP as well as the potential of this approach for producing an ultrafine microstructure are not ...
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EFFECTS OF DEFORMATION AND ANNEALING TEMPERATURE ON THE MICROSTRUCTURES AND MECHANICAL PROPERTIES OF CU-32%ZN BRASS
... [3-5]. Brass possesses FCC crystal ...into Cu systematically reduces SFE and drives the formation of twinning, that inhibits slip to occur at the major orientation, therefore inhomogeneous deformation ...
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A two-step approach for producing an ultrafine-grain structure in Cu-30Zn brass
... The effect of the two-step treatment on microstructure is summarized in Fig. 1. In the starting material, the microstructure was dominated by millimeter-scale dendrites containing poorly developed substructure (Fig. 1a). ...
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An EBSD investigation of cryogenically-rolled Cu-30%Zn brass
... Due to its very low stacking fault energy, extensive twinning and shear banding usually occur during cold deformation of Cu–30Zn brass, and thus significant grain refinement may be expected. This effect is ...
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Annealing behavior of cryogenically-rolled Cu-30Zn brass
... cold-worked Cu-30Zn brass in this temperature range may lead to a reduction of lattice parameter [13] and an increase in electrical resistivity [14], both of which are sometimes attributed to solute ...
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The use of friction stir welding for the production of Mokume Gane Type materials
... In order to explore what kind of patterns would emerge from such a material and to test its behavior during subsequent processing, a sample similar to that shown in Figure 8 was further processed. Samples cut from a FSW ...
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Grain growth during annealing of cryogenically-rolled Cu-30Zn brass
... Additionally, the material also contained some fraction of LABs (Fig. 4a) and their proportion tended to increase with annealing time. Both of these types of boundaries are thought to have low mobility and low energy. In ...
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Mechanism of Pb Removal from Brass Scrap by Compound Separation Using Ca and NaF
... Zn, Cu, Pb and Ca at 1223 K were calculated using HSC Chemistry 5 software (Outokumpu Re- ...of brass alloy con- taminated in the slag during skimming off, which is achieved during air cooling after ...
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Multi Response Optimization of Process Parameters Based On MRSN for D2 Steel Using WEDM Process with Plain Brass Wire and Zinc Coated Brass Wire
... plain brass wire (0.25 mm diameter, Cu 65%, Zn 35%) and zinc coated brass wire ...diameter, Cu 65%, Zn 35% and Zinc coating 5 µm). The Brass wire has high tensile strength as well as ...
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Influence of pH and Chloride Ions on Electrochemical Behavior of Brass in Alkaline Solution
... 3). Brass passivation is attributed to the complex passive layer, consisting of ZnO·xH 2 O/Cu 2 O-CuO, formation, which is less resistant to Cl - ion attack than protective layer formed ...
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Development of Lead Free Machinable Brass with Bismuth and Graphite Particles by Powder Metallurgy Process
... machinable brass dispersed with bismuth and graphite particles by powder metallurgy ...The Cu-40 mass%Zn (Cu-40Zn) brass powder with 03:23 mass% bismuth additions were produced by rapid ...
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Effect of Chromium Precipitation on Machinability of Sintered Brass Alloys Dispersed with Graphite Particles
... Cu-40 mass% Zn-1.0 mass% chromium alloys dispersed with graphite particles were prepared by using powder metallurgy process in order to produce high strength and good machinable brass alloys. Effect of the ...
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Growth Process and Characterization of Chromate Film Prepared on Various Metal Plates
... 6:4 brass often used as the material of the original plates for electroforming, the changes in the thickness of chromate films and in the contents of plate metals, Cr, and O with the mixing ratio of Zn were ...the ...
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Using Recycled Bismuth Tin Solder in Novel Machinable Lead Free Brass
... into Cu-38Zn alloys to in- crease hardness by enhancing the beta phase ...lead-free Cu-38Zn-0.5Si brass by systematically adding the recycled Bi-Sn solder alloy has not been investigated be- ...low ...
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Investigation of Machinability Tests for Brass Alloy
... zinc brass. The most widespread are Cu and Zn binary alloys with different contents of ...Binary brass make up a relatively large group of copper alloys in which zinc content varies from ...there ...
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CORROSIVITY OF DIFFERENT MEDIA ON BRASS
... The results obtained from the study are tabulated for weight loss at a time interval of 24 hrs recorded up to 240 hrs for the materials under study in table 1 and it is clear from the data that the maximum weight loss ...
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Process Optimization Of EDM Cutting Process On Tool Steel Using Zinc Coated Electrode Wire
... selecting brass and copper are ability to generate an electric discharge, mechanical strength at high temperature, high electrical conductivity and high heat ...
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Mechanical and Microstructural Evaluation of Plastically Deformed Brass
... Also the rolled and stress-relieved brass had lower ultimate tensile strengths as compared to the brass that was deformed by rolling without stress relieving.It was estimated from Figure[r] ...
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Volume 2, Issue 3, March 2013 Page 527
... and brass are tried on the test engine with an objective to find the best one in terms of performance, emissions and other combustion parameters with alcohol as a ...the brass piston is found to be best in ...
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