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Baghani, Mostafa
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Topics
Publications (6/6 displayed)
- 20244D Printing of Magneto‐Thermo‐Responsive PLA/PMMA/Fe<sub>3</sub>O<sub>4</sub> Nanocomposites with Superior Shape Memory and Remote Actuationcitations
- 2024Effects of TPU on the mechanical properties, fracture toughness, morphology, and thermal analysis of 3D-printed ABS-TPU blends by FDMcitations
- 20234D Printing‐Encapsulated Polycaprolactone–Thermoplastic Polyurethane with High Shape Memory Performancescitations
- 2023Development of Pure Poly Vinyl Chloride (PVC) with Excellent 3D Printability and Macro‐ and Micro‐Structural Propertiescitations
- 2023Shape memory performance assessment of FDM 3D printed PLA-TPU composites by Box-Behnken response surface methodologycitations
- 20234D Printing of Polyvinyl Chloride (PVC): A Detailed Analysis of Microstructure, Programming, and Shape Memory Performancecitations
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article
Effects of TPU on the mechanical properties, fracture toughness, morphology, and thermal analysis of 3D-printed ABS-TPU blends by FDM
Abstract
<jats:title>Abstract</jats:title><jats:sec><jats:label/><jats:p>In this paper, blends of ABS‐TPU with two different weight percentages of TPU were prepared using fused deposition modeling technology. The effect of adding TPU on the fracture toughness of ABS and mechanical properties was comprehensively studied. Tensile, compression, fracture toughness, and shear tests were conducted on the 3D‐printed samples. Thermal and microstructural analyses were performed using dynamic mechanical thermal analysis (DMTA), and scanning electron microscope (SEM). The DMTA results showed that adding TPU decreased the storage modulus and the glass transition temperature of ABS, as well as its peak intensity. The mechanical test results showed that adding TPU decreased the strength but increased the formability and elongation of the samples. Fracture tests showed that the addition of TPU decreased the maximum force needed for a crack to initiate. The force required for crack initiation decreased from 568.4 N for neat ABS to 335.3 N for ABS80 and 123.2 N for ABS60. The ABS60 blend exhibited the highest strength against crack growth, indicating that TPU can change the behavior of ABS from brittle to ductile. Shear test results and SEM images also showed good adhesion strength between the printed samples for all three specimens, indicating their good printability. Adding TPU resulted in a reduction in the size and number of voids and holes between the printed layers.</jats:p></jats:sec><jats:sec><jats:title>Highlights</jats:title><jats:p><jats:list list-type="bullet"> <jats:list-item><jats:p>Melt mixing, filament preparation, and 3D printing of ABS‐TPU blends.</jats:p></jats:list-item> <jats:list-item><jats:p>Investigation of mechanical properties, microstructure, and fracture toughness.</jats:p></jats:list-item> <jats:list-item><jats:p>Improved resistance to crack growth and elongation by adding TPU to ABS.</jats:p></jats:list-item> <jats:list-item><jats:p>Improving printability and reducing microholes in blends compared with ABS.</jats:p></jats:list-item> <jats:list-item><jats:p>Achieving a wide range of mechanical properties for various applications.</jats:p></jats:list-item> </jats:list></jats:p></jats:sec>