Related Experiment Video
Updated: Jul 30, 2026
08:32
Indirect Fabrication of Lattice Metals with Thin Sections Using Centrifugal Casting
Published on: May 14, 2016
12.9K
Additive Manufacturing of a PA11 Prototype Fabricated via Selective Laser Sintering for Advanced Industrial
Giovanna Colucci1, Domenico Riccardi2, Alberto Giubilini3
1Department of Applied Science and Technology (DISAT), Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Torino, Italy.
Polymers
|December 11, 2025
Summary
Selective Laser Sintering (SLS) effectively produced industrial hose reel prototypes using polyamide 11 (PA11) powder. Optimized PA11 powder properties ensure high-quality, complex parts with excellent mechanical and thermal performance for demanding applications.
Area of Science:
- Additive Manufacturing
- Materials Science
- Polymer Engineering
Background:
- Selective Laser Sintering (SLS) is a key Additive Manufacturing (AM) technology for complex functional parts.
- Polyamide 11 (PA11) is a promising material for industrial applications due to its properties.
- Fabricating functional prototypes requires careful material characterization and process optimization.
Purpose of the Study:
- To fabricate a functional hose reel prototype using PA11 via SLS.
- To characterize PA11 powder properties for optimal SLS processing.
- To evaluate the quality, mechanical, and thermal performance of SLS-printed PA11 parts.
Main Methods:
- Thermal analysis (TGA, DSC) and morphological characterization (SEM, PSD, XRD) of PA11 powder.
- Optimization of SLS printing parameters for PA11.
- Fabrication of PA11 parts and assembly into a hose reel prototype.
- Quality assessment using X-ray computed tomography (X-CT).
Main Results:
- PA11 powder exhibited optimal characteristics (45-micron average particle size, circularity near 1, Hausner ratio 1.17) for smooth flow and uniform packing.
- SLS process optimization enabled the fabrication of complex, high-definition PA11 parts with dimensional precision.
- X-CT analysis confirmed high part quality with predominantly defect-free regions.
- The assembled hose reel prototype demonstrated the feasibility of PA11 for industrial components.
Conclusions:
- PA11 is a suitable material for SLS, yielding high-quality parts for industrial applications.
- Optimized powder characteristics and SLS processing are crucial for achieving desired part performance.
- The successful fabrication of a functional hose reel prototype validates PA11's potential in professional component production.
