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Toward Polymeric and Polymer Composites Impeller Fabrication.

Nader Zirak^1,2, Mohammadali Shirinbayan^1,2, Michael Deligant²

¹Arts et Metiers Institute of Technology, CNRS, CNAM, PIMM, HESAM University, F-75013 Paris, France.

|January 11, 2022

Summary

Polymer impellers offer a lightweight, cost-effective alternative to metal in turbomachinery. While polymers show promise, composite polymers are necessary for demanding applications requiring enhanced mechanical properties.

Keywords:

additive manufacturing conventional manufacturing impeller injection moulding manufacturing process performance polymer composites polymers

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Area of Science:

Materials Science
Mechanical Engineering
Aerodynamics

Background:

Impellers are critical components in turbomachinery, driving the need for performance optimization.
Research focuses on enhancing rotary machine efficiency via aerodynamic improvements and advanced materials.
Polymers and polymer composites are increasingly studied as lightweight alternatives to traditional metal impellers.

Purpose of the Study:

To review and analyze the use of polymeric and polymer composite impellers.
To evaluate different manufacturing methods for these impellers.
To assess their suitability as replacements for metal impellers in various applications.

Main Methods:

Literature review of studies on polymer and polymer composite impellers.
Analysis of manufacturing processes including conventional methods, injection molding, and additive manufacturing.
Comparison of material properties (weight, mechanical strength) and economic efficiency.

Main Results:

Polymer and polymer composite impellers demonstrate potential for replacing metal counterparts within specific temperature ranges.
Manufacturing methods like injection molding and additive manufacturing offer economic advantages.
Polymers are suitable for general applications, while composites are needed for high-stress environments.

Conclusions:

Polymeric materials show viability for impeller fabrication, particularly in less demanding conditions.
Composite polymers are essential for applications requiring superior physical and mechanical properties.
Further research and development are needed for broader adoption in challenging environments.