Toward Polymeric and Polymer Composites Impeller Fabrication

Area of Science:

• Materials Science
• Mechanical Engineering
• Turbomachinery

Background:

• Impellers are critical components in turbomachinery, driving performance and efficiency.
• Optimization efforts focus on aerodynamic design, advanced materials, and manufacturing processes.
• Polymers and composites are explored as lightweight, potentially more economical alternatives to metals.

Purpose of the Study:

• To review and discuss polymeric and polymer composite impellers.
• To analyze various manufacturing methods for these impellers.
• To draw conclusions on their suitability compared to traditional metal impellers.

Main Methods:

• Literature review of studies on polymer and composite impellers.
• Analysis of manufacturing techniques including conventional, injection molding, and additive manufacturing.
• Comparative assessment of material properties and performance.

Main Results:

• Polymer and composite impellers demonstrate promising results as replacements for metal.
• Manufacturing methods like injection molding and additive manufacturing offer economic advantages.
• Polymers are suitable for general applications, while composites are necessary for higher-demand conditions.

Conclusions:

• Polymers and composites present viable options for impeller fabrication within specific temperature ranges.
• Composite impellers are essential for applications requiring superior physical and mechanical properties.
• Further research is needed for certain applications to fully leverage these advanced materials.