ArticlePolymers2022
Effects of Laser Power and Hatch Orientation on Final Properties of PA12 Parts Produced by Selective Laser Sintering.
Article in Polymers, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.
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Who cites it
24 citing papers in PubMed.
- Recycling Potential of SLS-Degraded PA12 Powder for Melt-Based Manufacturing: Insights Resulting from the Advanced Crystallization Modeling.ACS omega · 2026Article
- Polymeric Powders for Powder Bed Fusion: From Chemistry and Powder Characteristics to Process Parameters, Defects and Applications.Polymers · 2026Review
- Functional Data Analysis for the Structural, Chemical, Thermal, and Mechanical Properties of PA12 Additively Manufactured via SLS.Polymers · 2025Article
- Degradation effects of reused PA12 powder in selective laser sintering on material characteristics, dimensional accuracy and mechanical strength.Scientific reports · 2025Article
- Design of SLS 3D-printed pediatric combination printlets of lamivudine and tenofovir disoproxil fumarate by understanding the impact of formulation and process variables on flow, spectral, thermal and performance characteristics.International journal of pharmaceutics · 2025Article
- Article
- SURFACE TEXTURING TO IMPROVE HYDROPHOBICITY AND MOISTURE RESISTANCE OF POLYMERS.Polymer engineering and science · 2025Article
- Article
- Data-driven approaches for predicting mechanical properties and determining processing parameters of selective laser sintered nylon-12 components.Discover mechanical engineering · 2025Article
- Influence of Fused Deposition Modeling Process Parameters on Constitutive Model of Hyperelastic Thermoplastic Polyurethane.Polymers · 2024Article
- Chess-like Pieces Realized by Selective Laser Sintering of PA12 Powder: 3D Printing and Micro-Tomographic Assessment.Polymers · 2024Article
- Article
- Review
- Effect of Reinforcement with Short Carbon Fibers on the Friction and Wear Resistance of Additively Manufactured PA12.Polymers · 2023Article
- Effect of Strain Rates and Heat Exposure on Polyamide (PA12) Processed via Selective Laser Sintering.Materials (Basel, Switzerland) · 2023Article
- Tribological Properties of Glass Bead-Filled Polyamide 12 Composite Manufactured by Selective Laser Sintering.Polymers · 2023Article
- Influence of the Type of Plastic and Printing Technologies on the Compressive Behavior of 3D-Printed Heel Prototypes.Materials (Basel, Switzerland) · 2023Article
- On the Possibility of Using 3D Printed Polymer Models for Modal Tests on Shaking Tables: Linking Material Properties Investigations, Field Experiments, Shaking Table Tests, and FEM Modeling.Materials (Basel, Switzerland) · 2023Article
- Influence of Process Parameters on the Characteristics of Additively Manufactured Parts Made from Advanced Biopolymers.Polymers · 2023Review
- Article
Corrections and comments
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Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Poly(dodecano-12-lactam) (commercially known as polyamide "PA12") is one of the most resourceful materials used in the selective laser sintering (SLS) process due to its chemical and physical properties. The present work examined the influence of two SLS parameters, namely, laser power and hatch orientation, on the tensile, structural, thermal, and morphological properties of the fabricated PA12 parts. The main objective was to evaluate the suitable laser power and hatching orientation with respect to obtaining better final properties. PA12 powders and SLS-printed parts were assessed through their particle size distributions, X-ray diffraction (XRD), Fourier Transform Infrared spectroscopy (FTIR), differential scanning calorimetry (DSC), a scanning electron microscope (SEM), and their tensile properties. The results showed that the significant impact of the laser power while hatching is almost unnoticeable when using a high laser power. A more significant condition of the mechanical properties is the uniformity of the powder bed temperature. Optimum factor levels were achieved at 95% laser power and parallel/perpendicular hatching. Parts produced with the optimized SLS parameters were then subjected to an annealing treatment to induce a relaxation of the residual stress and to enhance the crystallinity. The results showed that annealing the SLS parts at 170 °C for 6 h significantly improved the thermal, structural, and tensile properties of 3D-printed PA12 parts.
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