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This study synthesized Nickel/Yttrium Oxide (Ni/Y2O3) nanocomposite particles using ultrasonic spray pyrolysis. These particles were successfully incorporated into polylactic acid (PLA) for injection molding applications.

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Area of Science:

  • Materials Science
  • Nanotechnology
  • Composite Materials

Background:

  • Developing novel nanocomposite materials is crucial for advanced manufacturing.
  • Nickel/Yttrium Oxide (Ni/Y2O3) offers unique properties for material enhancement.
  • Polylactic Acid (PLA) is a biodegradable polymer with potential for composite applications.

Purpose of the Study:

  • To synthesize Ni/Y2O3 nanocomposite particles.
  • To incorporate these particles into a PLA matrix for composite material development.
  • To evaluate the processability and mechanical properties of the resulting composite.

Main Methods:

  • Ultrasound-assisted precipitation via ultrasonic spray pyrolysis for Ni/Y2O3 synthesis.
  • Polyvinylpyrrolidone (PVP) used as a stabilizer in aqueous suspension.
  • Transmission electron microscopy (TEM) and electron diffraction for material characterization.
  • Lyophilization of Ni/Y2O3 suspensions for drying.
  • Embedding Ni/Y2O3 into PLA matrix followed by extrusion and injection molding.

Main Results:

  • Successful synthesis of Ni/Y2O3 nanocomposite particles with an average diameter of 466 nm.
  • Confirmation of Y2O3 core and Ni shell structure via TEM and electron diffraction.
  • PLA/Ni/Y2O3 composite material successfully processed via extrusion and injection molding.
  • Flexural testing showed a minor decrease in flexural strength (8.55%) and strain at break (3.7% to 3.3%) compared to pure PLA.

Conclusions:

  • Ni/Y2O3 nanocomposite particles can be effectively synthesized and incorporated into PLA.
  • The developed PLA/Ni/Y2O3 composite material is suitable for injection molding.
  • Further research is warranted to explore the full potential and applications of these nanocomposites.