This study was conducted on the reduction reaction of azo dye Reactive Black 5 by means Mn₈₅Al₁₅particles prepared melt-spinning and ball-milling processes.

In this study, a combined process of reduction and adsorption for the degradation azo dye with nanocrystalline Fe80Si10B10 powder as reducing agent is analyzed. A mechanical alloying technique produced powdered alloys needed redox process. The synthesized structure favors efficiency step Reactive Black 5 (RB5) dye. According to UV-Vis analysis, reductive alone allowed nearly complete color removal after 3 min reaction. regard, nanocrystallized FeSiB has excellent application potential in...

The Fe 65 Co 35 alloy is a well‐known Fe‐based soft ferromagnetic with excellent magnetic properties, which make it strong candidate to be used in technological applications. In the present work, synthesizing nanoscrystalline by mechanical alloying focused on, adding cyclohexane (C 6 H 12 ) acting as process control agent (PCA). PCAs are effective favoring nanostructured alloys uniform grain size. production of this type promising approach tune hardness . Structural, thermal, morphological,...

An equiatomic Ni-Fe alloy was synthesized through mechanosynthesis, under an argon atmosphere using a planetary ball mill, after 100 h. To assess the phase stability, subsequently annealed at 923.15 K for 2 At end of X-ray diffraction analysis revealed formation two distinct solid phases, FCC γ-NiFe (wt% = 90.3%) and BCC α-FeNi 9.7%). The lattice parameter stabilized 3.5748 Å, whereas exhibited 2.6608 Å. average crystallite size determined to be around 7 nm with strains quantified as 0.48%...

A high-entropy Fe30Co20Ni20Mn20Al10 (at%) alloy with a face-centered cubic (FCC) crystalline phase was produced through mechanical alloying. This study examined the development of its phases, microstructure, morphology, and magnetic characteristics. Scanning electron microscopy (SEM) applied to assess sample morphology in relation milling times. The changes that material underwent during were investigated using X-ray diffraction. time affected transformation. single FCC solid solution...

In the present work, effect of Si addition on magnetic properties Fe60-xCo25Ni15Six (x = 0, 5, 10, 20, and 30 at%) alloys prepared by mechanical alloying was analyzed X-ray diffraction vibrating sample magnetometry SQUID. The crystallographic parameters bcc-solid solutions were calculated Rietveld refinement patterns with Maud software. Scanning electron microscopy (SEM) used to determine morphology powdered as a function milling time. It found that has an important role in increase...

In this study, the degradation efficiency of Mn-20at%Ni and Mn-30at%Ni particle powders made by melt-spinning high-energy ball-milling techniques is investigated in relation to azo dye Reactive Black 5. SEM, EDS, XRD were used analyze powders’ morphology, surface elemental composition, phase structure. An ultraviolet-visible absorption spectrophotometer was measure ball-milled powder’s capacity degrade, collected examined using FTIR spectroscopy method identify substituents extract. The...

The chemical dealloying of Cu-Mg-Ca alloys in free corrosion conditions was investigated for different alloy compositions and leaching solutions. For some the precursor alloys, a continuous, pure fcc copper with nanoporous structure can be obtained by 0.04 M H2SO4 solution. Superficial structures extremely fine porous size were also water 0.1 NaOH both amorphous partially crystalline obtaining bi-phase nanoporous/crystal composites microstructures depending on state. fast dissolution Mg Ca...

Azo compounds are used in the textile and leather industry. A significant step during azo dyes treatment of water is degradation by breaking N=N bonds. This break produces decolorization water. In this research work, 10% atomic Fe or Co was added to produce ternary Mn-Al-rich, nanostructured, mechanically alloyed powders order improve Reactive Black 5 solutions check addition’s influence. The microstructure followed X-ray diffraction, morphology composition electronic microscopy...

Soft magnetic nanocrystalline alloys have been widely analysed and studied during the past years. However, optimisation of specific chemical compositions is still being developed. The applicability these soft depends mainly on presence desired phases within alloy. In this study, are manufactured by mechanical alloying. analyses performed samples include a microstructural analysis, thermal complementary functional analysis in form thermomagnetic response some samples. Regarding Fe-based...

Fe rich soft magnetic alloys are candidates for applications as sensors and actuators. These can also be added to hard compounds obtain spring magnets. In this work we produce two nanocrystalline Fe-Zr-B-Cu by the powder metallurgy technology of mechanical alloying. The increase boron content favors reduction crystalline size. Thermal analysis (by differential scanning calorimetry) shows at temperatures between 450 650 K wide exothermic processes, associated with relaxation tensions produced...

High-energy ball milling was used to produce two Fe-X-B (X = Nb, NiZr) nanocrystalline alloys. X-ray diffraction (XRD), differential scanning calorimetry (DSC), and vibrating sample magnetometry (VSM) were analyze the microstructure, thermal, magnetic characteristics of milled powders, agglomerated particles (also generated during process), compacted specimens both The main crystallographic phase is always a bcc Fe-rich solid solution; whereas minor Nb(B) detected on powders in Fe80Nb8B12...

Fe-rich soft magnetic alloys are candidates for applications as sensors and actuators. Spring magnets can be obtained when these added to hard compounds. In this work, two nanocrystalline Fe-Zr-B-Cu produced by mechanical alloying, MA. The increase in boron content favours the reduction of crystalline size. Thermal analysis (by differential scanning calorimetry) shows that, temperature range compressed between 450 650 K, wide exothermic processes take place, which associated with relaxation...

In this study, the efficiency of mechanically alloyed Fe80Si10B10 in degrading basic red 46 azo dye is investigated. Moreover, influences different parameters, such as pH and time, on elimination aromatic derivatives obtained by-products fracture group are also analyzed. After beginning reduction to normal conditions (4.6) temperature, experimental findings showed a discoloration 97.87% after 20 min. The structure morphology nanocrystalline powder were characterized by SEM XRD before use...