Cu-Cr
Behavior of Cu-Cr Powder Mixtures During Mechanical Alloying (TECHNICAL NOTE)
... Abstract In the present work, the behavior of Cu-Cr powder mixtures during mechanical alloying has been studied. The powder mixtures with 1, 3 and 6 weight percents of Cr in Cu were treated. ...
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Air melting of Cu-Cr alloys
... a Cu-Cr melt involves melting Cu-bearing alloy component in a melting vessel disposed in ambient air atmosphere, retaining Cr-bearing alloy component in an inverted ceramic crucible held ...
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Evolution of Microstructure in a Cu Cr in situ Composite Produced by Thermo Mechanical Processing
... deformation-processed Cu-Cr in situ composite belong to the class of bulk nanostructured metallic materials, due to the small size of the structural constitutes produced via the in situ deformation ...The ...
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Grain refinement kinetics in a low alloyed Cu-Cr-Zr
... Keywords: Cu-Cr-Zr alloy; grain refinement; severe plastic deformation; triple junctions; grain 22.. refinement kinetics 23.[r] ...
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Effect of Cr Thickness on Adhesion Strength of Cu/Cr/Polyimide Flexible Copper Clad Laminate Fabricated by Roll to Roll Process
... conducted at 4 mm/min with 10 specimens at each condition. Figure 3(b) shows the schematic of the 90 peel test. After the peel test, the fracture surface and composition on the Cu and PI surfaces were identified ...
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Hydroconversion of Furfural over Cu-Cr/SiO2 Nanocatalysts: A Comparative Study
... larger than those of Cr-containing counterparts. Moreover, using bulk silica prompted a catalyst with larger crystallite size. According to Fig. 4, a decrease in the intensities of the peaks happened after the ...
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Effects of Ni Addition on the Mechanical and Electrical Properties of Cu 15 mass%Cr In Situ Composites
... of Cr lamellar spacing, (b) high density of dislocations in the Cu matrix and (c) precipitation of fine Cr particles in the Cu ...the Cu matrix, thus aging treatment is quite useful to ...
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Synthesis of nanocrystalline Cu deficient CuCrO2 a high figure of merit p type transparent semiconductor
... nominal Cu con- tent refers to the precursor ratio in the solution prior to deposition while the actual atomic Cu/(Cu+Cr) ratio was determined by us- ing ...of Cu no film growth is ...
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Infrared Reflection Absorption Study for Carbon Monoxide Adsorption on Chromium Deposited Cu(100) Surfaces
... the Cr site is located on the spectrum for the 300-K-fabricated surface, desorption from the Cu-related sites emerges at around 180 ...deposited Cr with substrate Cu activates at substrate ...
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Long-term Phytoremediating Abilities of Dalbergia sissoo Roxb. (Fabaceae)
... of Cu, Cr and Ni in leaves, bark, wood growth rings, soil sediments and water samples was estimated using an atomic absorption ...of Cr, Cu and Ni. The Cr concentration in leaves, bark ...
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In-vitro Assessment of Heavy Metal Removal from Contaminated Agricultural Soil by Native Plant Species
... of Cu, Cr and Pb ...in Cr contaminated soil maximum fresh shoot biomass was noticed at control level and with increasing concentration biomass ...In Cu, Cr and Pb the growth of barley ...
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Clinical and spectroscopic improvement in HIV- associated cognitive impairment
... Seventeen patients were evaluated neuropsychologi- cally at least twice (figure 2, A and B). Of the eight CU patients, Mattis scores remained stable in seven cases, and declined in one case. Of the nine CI ...
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Microstructure and Mechanical Properties of Cu 40%Zn 0 5%Cr Alloy by Powder Metallurgy
... alloy was reduced by the large precipitates. On the other hand, less than 1 mass% Cr addition in brass alloy can prevent a large amount of precipitations which cause remarkable decrease of the ductility and ...
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Biosorption of Cr(VI) and Cu(II) by Palm Kernel Powder and Its Potential Application
... of Cr(VI) adsorption onto PKP decreased significantly with increasing pH value and the maximum removal of Cr(VI) ions was found to be at pH ...of Cr(VI) to Cr (III) which in turn adsorbed into ...
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Study of Isometric Behavior of Complexes of Diltiazem with CU (II) and CR (III) in Non Aqueous Solvent
... Viscometricbehaviour of metal complexes of Cu(II) and Cr(III) with diltiazem have been studied in non-aqueous solvent of varying composition. The viscosity for both complexes show increase with increasing ...
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Chemical Characterization and Source Determination of Trace Elements in PM2.5 and PM10 from an Urban Area, Northern Jordan
... Co, Cr, Cu, Pb, S, V and Zn) were mainly associated with the fine size fraction, with a fine-to-coarse ratio of larger than nine for Pb and about one for ...
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Genotoxic Effect of Heavy Metals Cr, Cu, Pb and Zn Using Allium Cepa L.
... The present study provide additional and valuable research information about the toxic effects of heavy metals by evaluating mitotic index and chromosomal abnormalities [r] ...
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An efficient of Sansevieriatrifasciataplantas biosorbent for the treatment of metal contaminated industrial effluents Saadia R. Tariq | Farah Iqbal | Yusra Safa
... The current study deals with the application of Sansevieria trifasciata for the removal of metals present in industrial effluents specially those emanating from electroplating industry and tannery industry that contain ...
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Fabrication of new modified cross linked polyimeric resins composite with nano TiO2 & NANO Fe2O3 for the removal of selective metal ions
... While polymeric chelating resins such as chemically modified melamine chelate resins with functional groups of sulfur and nitrogen donor atoms are very efficient for heavy removal of Fe(II), Fe(III), Cr(III), ...
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Thin Film Systems Based on Co and Cr Or Cu: Magnetoresistive Properties and Application
... addition, sensing elements on the base of Со and Cr attributed by sufficiently large values of coercivity Bс (> 100 mТ) at Co atom concentration сСо = 56–63 at.% in perpendicular geometry as after condensation ...
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