Affiliation:
1. Mechanical Engineering Department, Malaviya National Institute of Technology, Jaipur, Rajasthan, India
2. Mechanical Engineering Department, Anand International College of Engineering, Jaipur, Rajasthan, India
3. Mechanical Engineering Department, Feroze Gandhi Institute of Engg. & Technology, Raebareli, UP, India
Abstract
This research investigates the physical, mechanical, thermal, thermomechanical and dry sliding wear performance of marble dust particulates (0–20 wt.% @ step of 5%) and lapinus fiber (10 wt.% constant) reinforced polyamide 66 polymer composites, resulting in five hybrid polymer composite namely PLM-0, PLM-5, PLM-10, PLM-15 and PLM-20, respectively. A twin screw extruder and injection molding machine were used for the fabrication. Taguchi's method and ANOVA tools are used to optimize and determine the significant order of the input parameters for the sliding wear process, followed by surface morphology investigations. Finally, the hybrid AHP-R ranking method was applied to rank the compositions on their merits. It is observed that PLM-10 hybrid polymer composites have shown relative overall optimized performance. It shows the lowest density of 1.21 g/cc, voids content of 6.47%, water absorption of 4.51% and a specific wear rate of 1.03 × 10−3 mm3/Nm. In comparison, it shows the highest tensile strength of 112.64 MPa, flexural strength of 150.40 MPa, Rockwell hardness of 60.40 HRM, fracture toughness of 4.27 MPa√m, impact strength of 1.96 J, thermal conductivity of 0.98 W/mK and storage modulus of 1824.29 MPa. Finally, these subjective findings were found to be in tune with the findings of the hybrid AHP-R method.
Subject
Industrial and Manufacturing Engineering,Mechanical Engineering
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