Mechanical, Electrical and Thermal Properties of Nylon-66/Flyash  Composites: Effect of Flyash

Maurya, Shyam D; Singh, Manoj Kumar; Amanulla, Syed; Yadav, S N; Nayak, Sanjay K.

doi:10.30564/opmr.v4i2.5233

Cited by 5 publications

(2 citation statements)

References 19 publications

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“…Thus, it infers that 15 wt.% flyash particulates relative to others successfully arrest the void's presence and water absorption tendency or water sensitivity of the hybrid polyamide 66 composites under investigation. Similar observations are made by Liu et al 31 while studying banana fibre-reinforced high-density polyethylene (HDPE)/polyamide 6 (PA 6) composites and Maurya 41 while studying the flyash-reinforced nylon 66 polymer composites to analyse the water absorption.…”

Section: Analysis Of Physical Characterizationssupporting

confidence: 67%

Ranking analysis of flyash – basalt fibre – polyamide 66 polymer composites based on the mechanical and sliding wear performance metrics using hybrid AHP-R method

Sharma,

Kumar,

Kumar

2023

Proceedings of the Institution of Mechanical Engineers, Part J:

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This research work investigates the physical, mechanical, thermal, thermo-mechanical, and dry sliding wear characteristics of hybrid flyash particulates (F-class; 0 – 20 wt.% at the step of 5%)–basalt fibres (chopped; fixed 10 wt.%) reinforced polyamide 66 polymer composites fabricated using the twin screw extruder and injection moulding machine. Taguchi's design of experiment optimization approach is used for parameter optimization of the dry sliding wear process, followed by analysis of variance analysis. Further, the hybrid AHP-R method is used for ranking optimization based on the performance metrics. It is observed that the composition having 15 wt.% flyash particulates optimizes overall performance metrics, hence recommended for industrial parts fabrications. It has an experimental density of 1.23 g/cc, voids content of 5.93%, water absorption of 4.21%, tensile strength of 110.73 MPa, flexural strength of 146.72 MPa, Rockwell hardness of 62.44 HRM, fracture toughness of 4.17 MPa√m, impact strength of 2.06 J, the thermal conductivity of 1.24 W/mK, and specific wear rate of 7.55 × 10−4 mm3/Nm. The overall subjective ranking of the hybrid polymer composites attunes with the objective ranking by the hybrid AHP-R method.

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Section: Analysis Of Physical Characterizationssupporting

confidence: 67%

Ranking analysis of flyash – basalt fibre – polyamide 66 polymer composites based on the mechanical and sliding wear performance metrics using hybrid AHP-R method

Sharma,

Kumar,

Kumar

2023

Proceedings of the Institution of Mechanical Engineers, Part J:

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“…The testing was conducted at a speed of 500 mm/min at room temperature. The various tensile properties like moduli at different percent elongation, tensile strength (TS) and elongation at break (EB) were generated from the tensile curve [24,25] . The hardness of the cured slabs was measured by a multi-unit hardness tester (MUHT) as per ASTM D2240.…”

Section: Tensile Propertiesmentioning

confidence: 99%

Understanding the Effect of Zinc Oxide (ZnO) With Carbon Black Coupling Agent on Physico-Mechanical Properties in Natural Rubber Matrix

Pal

Banerjee

Chowdhury

et al. 2023

org. polym. mater. res.

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Natural rubber (NR) is not only the main compounding ingredient used to make the majority of components of tires as well as other rubber products, as it plays a significant role in ensuring that they operate well and complies with environmental standards. The applications of NR products are limited to high temperatures due to the revision tendency of NR vulcanizate. To address these issues, the potential engagement of a carbon black (CB) coupling agent (CA) in the presence of metal oxide i.e. Zinc Oxide (ZnO) was investigated in an NR-based system. This CA has dual functionality on physicomechanical properties. CA has the ability to reduce hysteresis loss as well as improve anti-reversion properties and these properties thoroughly depend on the presence of ZnO. While ZnO was added to the master formulation, a 65% improvement in reversion properties was observed. On the other hand, while ZnO fully transferred to the final formulation, bound rubber (BR) content increased by 19%, the difference in storage modulus (ΔG’) is reduced by 22%, cure rate index (CRI) improved by 14%, loss tangent (tan δ) reduced by 18% and slightly improve in elongation at break compared to control compound. Thermo-gravimetric analysis (TGA) was engaged to understand the thermal stability and degree of purity of CA. A differential Scanning Calorimeter (DSC) was used to detect the phase transition of CA. Fourier Transform Infrared Spectrum (FTIR) was adopted to detect the presence of carboxyl and amine groups in the CA moiety. Payne effect, BR content and Transmission Electron Microscope (TEM) were employed to investigate the micro-level dispersion of CB in the natural rubber (NR) matrix.

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Development of Eco-Friendly Bricks with Industrial By-Product

Goutham,

Jeya,

Kiruthica

et al. 2023

E3S Web Conf.

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Use of fly-ash bricks than conventional clay bricks is an environmentally friendly alternative. Fly-ash bricks are cost-effective, strength, crack resistance, low maintenance, durable and eco-friendly. In this project to increase the strength of the fly-ash bricks, nylon fibres are used. Nylon fibres are synthetic fibres which is recycled from nylon waste. Similar to plastics, nylon waste is also produced in large amount which causes environmental pollution. So, to reduce this impact of nylon fibres are used in fly-ash bricks to increase its mechanical properties. The major goal is to improve the fly-ash brick mechanical properties of the fly-ash by conducting Compression Strength test, Water Absorption test and Efflorescence test. Hence result has been studied of fly-ash bricks reinforced with nylon fibres has shown promising results in all areas, suggesting that it could be used in load bearing walls, foot paths, pavements.

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Mechanical, Electrical and Thermal Properties of Nylon-66/Flyash Composites: Effect of Flyash

Cited by 5 publications

References 19 publications

Ranking analysis of flyash – basalt fibre – polyamide 66 polymer composites based on the mechanical and sliding wear performance metrics using hybrid AHP-R method

Ranking analysis of flyash – basalt fibre – polyamide 66 polymer composites based on the mechanical and sliding wear performance metrics using hybrid AHP-R method

Understanding the Effect of Zinc Oxide (ZnO) With Carbon Black Coupling Agent on Physico-Mechanical Properties in Natural Rubber Matrix

Development of Eco-Friendly Bricks with Industrial By-Product

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