Infill density and layer height were most influential. The L18 orthogonal array experimental design, specimens and results were optimized.
#ASTM D638 PDF SOFTWARE#
The tensile, flexural and impact specimens are made using MINITAB software and ASTM requirements. The specimensĪre made by varying five process parameters that affected the materials’ mechanical properties. In this work, thermoplastic ASA (Acrylonitrile Styrene Acrylate) polymer filament is used for FDM 3D printing. Thermoset plastics cannot be reused or recycled therefore, they are disposed in landfills, creating pollution and environmental harm. Composites use thermoplastics and thermosetting polymers. Additive manufacturing is popular in the polymer industry because it can manufacture intricately designed parts with fewer defects and greater strength with less material consumption. Process settings and adding fibers and fillers, composite properties can be improved. Polymer composites with different reinforcements have many applications. Moreover, it was noted that at 80 wt% of GF/nylon, the ductility is at the peak value among the composites. The highest elastic modulus value was recorded at 60 wt% GF/nylon. The results revealed that the maximum tensile strength of the GF/nylon composite was achieved with 60 wt%. This study aims to investigate the mechanical and thermal properties of a blended recycled composite material produced by mixing two different 3D-printed reinforced composite wastes, carbon fiber CF/nylon, and glass fiber GF/nylon filaments that were mixed at different percentages using a hot extrusion procedure, tested by a tensile testing machine, and processed with five different weight ratios to study the impact of blend ratios on the material characteristics of the recycled composites and to find the optimum weight ratios with the most preferred properties. The revolution of 3D-printing technology has caused an additional source of plastic waste, especially the new generation of composite filaments that are linked with the commercial fused deposition modeling process, adding pressure to find a sustainable solution to tackle the emerging waste problem. The adhesive toughening method improves the strain to failure and tensile toughness, decreases the strength and modulus and no significant effect on the glass transition temperature. By considering the manufacturing methods, the measured properties are less influenced by the presence of voids but dependent on the glass fiber filler orientation. X-ray micro-computed tomography, digital image correlation technique, high speed camera and scanning electron microscopic images are used for assessing the manufacturing quality, computing the full-field displacement and strain, and failure analysis. The manufacturing and hybridization effects on the bulk adhesive properties are evaluated by dynamic mechanical analysis, quasi-static tensile, V-notch shear and single-edge-notch bending tests.
#ASTM D638 PDF MANUAL#
In this paper, SPABOND™ 820HTA (non-toughened) and SPABOND™ 840HTA (toughened) adhesives were hybridized with two strategies and fabricated by machine and manual mixing methods. Hybrid adhesives can be developed using commercially available adhesive materials and customized to the required loading conditions.
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