Thermomechanical investigations of SiC and Al₂O₃–reinforced HDPE

Abstract

This research work highlights the thermomechanical investigations of silicon carbide (SiC) and aluminum oxide (Al2O3)–reinforced high-density polyethylene (HDPE)–based feed stock filament of commercial fused deposition modeling (FDM) setup. The recycled HDPE waste was collected (from domestic waste) and washed with water jet for removal of contamination in the first stage. After contamination removal, rheological and thermal behavior (melt flow index, melting temperature, decomposition and enthalpy, etc.) of the unreinforced and reinforced polymer matrix was observed. The SiC and Al2O3 reinforcements in the HDPE matrix have been controlled by twin-screw extrusion process, followed by its processing on single-screw extrusion for preparation of FDM feed stock filament. The feed stock filament prepared by single-screw extruder was subjected to tensile test for mechanical properties (such as peak strength, peak load, and Young’s modulus). After ascertaining mechanical properties, multifactor optimization has been performed. Finally, scanning electron micrographs were obtained to understand the distribution of ceramic particles. This study highlights the detailed procedure for managing the polymer waste with improved mechanical properties by considering multifactor optimization. This will enhance the sustainability and also helps to develop low-cost, in-house FDM filament for possible applications as rapid tooling.

On compressive and morphological features of 3D printed almond skin powder reinforced PLA matrix

“…The literature reveals that the use of biodegradable/green waste enhances the mechanical properties and reduces the environmental pollution as well as cost [25][26][27][28][29][30][31]. But hitherto little has been reported on the use of the almond skin in powder form for enhancement of the compressive properties [13,[31][32][33][34].…”

Waste thermosetting polymer and ceramic as reinforcement in thermoplastic matrix for sustainability: Thermomechanical investigations

“…These results are in line with the observations made by other investigators. 29,[31][32][33] The reason for composition/proportion F: 90% ABS-10% B-0% Al 2 O 3 -0% SiC is but obvious because absence of ceramics in the composite matrix is supposed to improve tensile properties. The highest temperature condition 230 C with lowest 30 r min À1 and 5 kg feeding load is also but obvious settings as these settings will result into better flowability of composite material resulting into more uniform dispersion which has been observed in photomicrographs (Figure 4).…”

“…[23][24][25][26] The published literature highlights that the recycling of ABS or other thermoplastics by primary/secondary/tertiary/quaternary methods is being done in isolation. [27][28][29] But while dealing with the plastic solid waste (in bulk), it is practically difficult to distinguish between the thermoplastic and the thermosetting waste. So an intermediate route/technique is required to process the plastic solid waste comprising of both the thermoplastic and thermosetting materials.…”

Study on the Mechanical Responses of Plastic Pipes Made of High Density Polyethylene (HDPE) in Water Supply Network

“…It is observed that the mechanical properties of the composite laminates were found to have improved to a large extent when compared to the usual standard HDPE laminates. New solutions to improve the mechanical properties of the HDPE are presented in [11][12][13][14][15].The finite element method is usually used to determine the strange-stress field in the HDPE pipes. The visco-elastic constitutive model with Prony series was carried out to obtain a temperature field and the stress-stress field in the welding stages [16].…”

“…It is observed that the mechanical properties of the composite laminates were found to have improved to a large extent when compared to the usual standard HDPE laminates. New solutions to improve the mechanical properties of the HDPE are presented in [11][12][13][14][15].…”