Synthesis and characterization of bimodal structured Cu-Fe3O4 nanocomposites

Predescu, Andra Mihaela; Vidu, Ruxandra; Matei, Ecaterina; Pantilimon, Cristian; Predescu, Cristian

doi:10.1016/j.powtec.2018.10.015

Cited by 6 publications

(10 citation statements)

References 11 publications

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“…where the theoretical densities for Cu and Fe 3 O 4 are 8.94 g/cm 3 and 5.2 g/cm 3 , respectively [2]. The flowability (flowability) of Cu-Fe 3 O 4 nanopowder blends is virtually zero as they do not flow freely through the fluorimeter port.…”

Section: Nanopowder Blendmentioning

confidence: 99%

“…Nanocomposites were obtained from individual Cu and Fe 3 O 4 nanopowders with various composition ratios. The synthesis of Cu and Fe 3 O 4 nanopowders was presented in [2]. Briefly, Fe 3 O 4 nanopowders were obtained by coprecipitation of ferric and ferrous chloride in the presence of sodium hydroxide, and the copper powder was obtained using the polyol reduction process in 1,2 propanediol.…”

Section: Nanocomposite Synthesismentioning

confidence: 99%

“…Nanocomposites with copper matrix reinforced with particles of Fe 3 O 4 were obtained by powder metallurgy from nanosize copper (35-45 nm) and magnetite (5-10 nm) powders. A detailed presentation of the synthesis and characterization of Cu and Fe 3 O 4 nanopowders was presented in our previous paper [2]. The blends containing Cu with various amounts of Fe 3 O 4 (i.e., 5, 10, 15 and 20%) were mixed in a tubular laboratory homogenizer.…”

Section: Nanocomposite Synthesismentioning

confidence: 99%

“…The efficiency of nanostructure stabilization is given by the volume fraction of the phases and the degree of dispersion. Such methods for strengthening the matrix by dispersion and improving high-temperature stability has been demonstrated for Cu matrix nanocomposite reinforced with oxide particles such as Y 2 O 3 [7], ZrO 2 [8], Al 2 O 3 [9] and Fe 3 O 4 [2,10,11]. Copper matrix reinforced with yttrium oxides or aluminum matrix reinforced with Fe 3 O 4 , are used efficiently in aviation and electronics.…”

Section: Introductionmentioning

confidence: 99%

“…In our group, Cu-Fe 3 O 4 nanocomposites were synthesized by powder metallurgy and a comprehensive characterization of the synthesized Cu and Fe 3 O 4 nanopowders, and powder blend/mixture during compaction and sintering was performed [2]. We found that the electrical behavior of Cu-xFe 3 O 4 nanocomposites depends on the amount of reinforcing magnetite; i.e., semiconductors or electric conductors can be obtained.…”

Section: Introductionmentioning

confidence: 99%

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Properties of Cu-xFe3O4 Nanocomposites for Electrical Application

et al. 2020

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Copper matrix nanocomposites reinforced with magnetite nanoparticles were developed using powder metallurgy. Various processing parameters were taken into consideration, such as magnetite content, compaction pressure, sintering time and temperature. The nanopowder blends were compacted using various uniaxial pressures and sintered at 650 and 800 °C in order to study the influence of processing parameters on morphology, structure, thermal, magnetic and mechanical properties. The structure and morphology of the nanocomposites analyzed by X-ray diffraction (XRD), bright field transmission electron microscopy (TEMBF) and scanning electron microscopy (SEM) showed that sintered composites retained the nanoscale characteristics of the initial Fe3O4 and Cu nanopowders. These nanocomposites have good cold-rolling deformability and Vickers micro-hardness. The Cu-xFe3O4 nanocomposites have thermal and magnetic properties that make them suitable for electronical applications.

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Section: Nanopowder Blendmentioning

confidence: 99%

Section: Nanocomposite Synthesismentioning

confidence: 99%

Section: Nanocomposite Synthesismentioning

confidence: 99%