Antibacterial and dynamical behaviour of silicon nanoparticles influenced sustainable waste flax fibre-reinforced epoxy composite for biomedical application

Green Processing and Synthesis, Journal Year: 2024, Volume and Issue: 13(1)

Published: Jan. 1, 2024

Abstract This article explores the impact of nano-silica on properties woven flax fibre/epoxy composites. Using compression moulding, epoxy/flax/silica hybrid nanocomposites were produced. The was dispersed in epoxy matrix via ultrasonication at various weight ratios. A series tests, including crack durability, dynamic mechanical analysis, and scanning electron microscopy, conducted to evaluate modified materials. Notably, a 3% filler load resulted 54% 57% improvement initiation transmission interfacial fracture toughness, respectively. Scanning microscope imaging confirmed that fibres pull out tip during initial debonding, accounting for increased toughness. Dynamic analysis further revealed enhancements properties. Moreover, content led less fibre pull-out, suggesting higher heat resistance than standard flax/epoxy material also demonstrated promising antimicrobial efficacy against gram-positive gram-negative bacteria, offering potential alternative conventional antibiotics.

Language: Английский

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Investigation on mechanical properties of the green synthesis bamboo fiber/eggshell/coconut shell powder-based hybrid biocomposites under NaOH conditions

Green Processing and Synthesis, Journal Year: 2024, Volume and Issue: 13(1)

Published: Jan. 1, 2024

Abstract This research delves into the effects of different alkalization treatment approaches on mechanical characteristics epoxy matrix composites that are reinforced with natural bamboo fibers and enriched egg coconut shell powders as fillers. Various weight ratios fillers were investigated, specifically at 5%, 10%, 15%, 20%, 25%, 30%. The study assessed properties such tensile strength, flexural behavior, microhardness, impact resilience. Findings indicate alkali-treated demonstrate superior performance (49.28 MPa tensile, 57.33 89 HV hardness, 1.3 kJ·m −2 impact) compared to untreated counterparts. Particularly noteworthy is significant improvement in fracture toughness observed inclusion 20% hybrid laminates, surpassing existing biomaterial-based composites. heightened attributed optimized composition enhanced water absorption capabilities. Conversely, incorporation 25% 30% led a decrease strength (38.65 46.7 flexural, 72 1.19 due formation additional interfacial contacts, pores, voids within polymeric matrix.

Language: Английский

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Evaluating mechanical, thermal, and water absorption properties of biocomposites with Opuntia cladode fiber and palm flower biochar for industrial applications

Deleted Journal, Journal Year: 2024, Volume and Issue: 6(2)

Published: Jan. 25, 2024

Abstract This study addresses the development of environmentally friendly biocomposites using Opuntia cladode fiber and palm flower biochar for industrial applications. Derived sustainably, these materials significantly enhance mechanical properties, exemplified by Composite C3 (Resin 57wt.%, Fiber 40 wt%, Biochar 3 wt%) with notable flexural strength (217 MPa), tensile (178 impact (7.2 J), hardness (92 Shore-D). However, a 5% concentration led to slight property decline. Thermal conductivity increased proportionally concentration, ranging from 0.36 0.49 W/mK, acting as an effective lubricant. influenced water absorption rates, mitigated silane surface treatment. The show promise electronics, spacecraft, automotive components, packaging. specific problem addressed is need sustainable materials. offer focused solution, yielding composites improved mechanical, thermal, properties targeted

Language: Английский

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Polypropylene Composite Materials with Natural Fiber Reinforcement: An Acoustic and Mechanical Analysis for Automotive Implementations

SAE technical papers on CD-ROM/SAE technical paper series, Journal Year: 2024, Volume and Issue: unknown

Published: Feb. 23, 2024

<div class="section abstract"><div class="htmlview paragraph">This research looks at the acoustic and mechanical characteristics of polypropylene (PP) composites supplemented with natural fibers to determine whether they are appropriate for automotive use. To generate that hybrids, four diverse fibers, including Calotropis gigantea (CGF), jute, sisal, kenaf, were mixed into PP matrices. The study examines how fiber type, frequency, thickness affect sound absorption strength. results show these fiber-reinforced have improved characteristics, CGF (73.26 shore D value Hardness), sisal (42.35 MPa tensile) jute showing particularly promising materials. Furthermore, emphasizes materials’ frequency-dependent properties, particular efficacy in mid-frequency regions. Such organic reinforcement performance is tested 5 mm 10 thicknesses. When a thick sample examined, it clear coefficient continuously less than 0.30 500 Hz climbs range around 0.87 0.96 2000 Hz. Only (CGF) kenaf fibres steady rise their from as increases mm. This contributes developing environmentally friendly superior materials future automobile uses by providing helpful insights optimal configuration naturally derived fiber-based insulation frameworks industry.</div></div>

Language: Английский

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Revolutionizing Automotive Materials through Enhanced Mechanical Properties of Epoxy Hybrid Bio-Composites with Hemp, Kenaf, and Coconut Powder

SAE technical papers on CD-ROM/SAE technical paper series, Journal Year: 2024, Volume and Issue: unknown

Published: Feb. 23, 2024

<div class="section abstract"><div class="htmlview paragraph">Introducing a groundbreaking exploration into the mechanical properties of epoxy hybrid biocomposites, this study unveils comprehensive analysis encompassing tensile strength, flexural properties, impact resistance, and hardness characteristics. The materials under scrutiny include hemp fiber (H), kenaf (K), coconut powder (CP), both in their untreated state after undergoing alkaline processing. This research marks significant milestone understanding these sustainable potential for enhancing composite materials. In endeavour, is basis material, while are filler elements. total weight proportion was kept constant other two fibre fillers were changed. unprocessed laminate sample significantly improves tensile, flexural, strength with increasing loading. improved interlinking capacity natural composites (NFC) an matrix also to blame composite’s efficient resistance competency. Furthermore, creation powerful hydrogen bonds due increased polarisation bending characteristics composites. Untreated specimens’ enhanced by up 20% wt. CP K. addition more K had detrimental effect. as loading increased, value samples declined steadily. material chemically modified evaluated. Compared samples, results alkali-treated demonstrate excellent compression, hardness. SEM examinations on fractured surface hybrids revealed that alteration occurred, which fibre-matrix interaction.</div></div>

Language: Английский

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Impact of Kenaf Fiber and Inorganic Nanofillers on Mechanical Properties of Epoxy-Based Nanocomposites for Sustainable Automotive Applications

SAE technical papers on CD-ROM/SAE technical paper series, Journal Year: 2024, Volume and Issue: unknown

Published: Feb. 23, 2024

<div class="section abstract"><div class="htmlview paragraph">Due to the increasing demand for lightweight and eco-friendly materials in automotive sector, alternative fibers like kenaf are gaining attention as potential car components. This study aims evaluate impact of fly ash Al₂O₃ nanomaterials on mechanical thermomechanical properties fiber-reinforced composites, particularly applications. Various composites were produced tested using standard manual fabrication methods key such tensile strength, flexural inter-laminar shear hardness, resistance. Adding fibers, ash, nanofillers epoxy demonstrated a noticeable improvement resulting material. enhancement is attributed improved interfacial bonding uniform distribution within polymer matrix. In our analysis, had more significant composite's performance than ash. A comparative different composite formulations revealed that C-type superior properties, exhibiting strength 86.74 MPa modulus 5120.78 MPa. The A-type excelled tests, showing bending 101.54 8690.75 Meanwhile, B-type showcased highest resistance, ILSS values, recording 7.51 KJ/m² impact, 69.47 D 29.14 ILSS. research indicates fiber reinforced with promising applications by offering enhanced performance.</div></div>

Language: Английский

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Analyzing the Moisture and Chemical Retention Behavior of Flax Fiber–Ceramic Hybrid Composites for Automotive Underbody Shields

SAE technical papers on CD-ROM/SAE technical paper series, Journal Year: 2024, Volume and Issue: unknown

Published: Jan. 22, 2024

<div class="section abstract"><div class="htmlview paragraph">In pursuing enhanced bio-composite properties, filler materials play a pivotal role. This study delves into the impact of ceramic additives on chemical resistance and moisture durability flax fiber-reinforced polymers. Utilizing hand lay-up technique, we developed polyester composites reinforced with fibers. Silicon carbide (SiC) aluminum oxide (Al₂O₃) were chosen as components. One batch fibers underwent an alkaline treatment to enhance their properties further using 5% NaOH solution. The composite samples acetic acid sodium hydroxide was then assessed. Additionally, absorption patterns all models investigated. A thorough comparative analysis conducted among multiple batches. results highlighted that integrating significantly bolstered composites. Notably, alkali-treated exhibited superior agent compared untreated counterparts.</div></div>

Language: Английский

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Thermal and Mechanical Properties of <italic>Abutilon indicum</italic> Fiber-Based Polyester Composites under Alkali Treatment for Automotive Sector

SAE technical papers on CD-ROM/SAE technical paper series, Journal Year: 2024, Volume and Issue: unknown

Published: March 6, 2024

<div class="section abstract"><div class="htmlview paragraph">Natural fiber-reinforced composites are increasingly used in the automotive and aerospace industries since more studies focus on them because they environmentally benign. The primary benefit of natural fibers over synthetic is their biodegradability. In addition to meeting other standards, have high thermal mechanical qualities. current study’s main objective has been investigate one such polymer. Biomaterials constructed <i>Abutilon indicum</i> fiber reinforced with polyester were created work. test samples materials above underwent investigations determine strengths. impact alkali treatment (NaOH) was also investigated assessed. Compared as 5, 10, 15 g loadings 20 loading reveals highest properties 59.21 MPa tensile, 72.45 bending, 11.25 kJ/m² strength. Scanning electron microscopy results showed that a composite made alkali-treated had superior properties. Thermal behavior measured differential analysis–thermogravimetric equipment polymers thus characterized, evaluated for suitability aircraft automobile industries, among others.</div></div>

Language: Английский

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Dynamic Mechanical and Thermal Properties of Polymer-Coated Jute Fibers for Enhanced Automotive Parts

SAE technical papers on CD-ROM/SAE technical paper series, Journal Year: 2024, Volume and Issue: unknown

Published: Feb. 12, 2024

<div class="section abstract"><div class="htmlview paragraph">Automobile parts often require materials that offer high strength and durability. With the continuous push for environmentally friendly solutions, natural fibers such as jute have emerged a potential alternative synthetic in automobile components. In this study, we aim to enhance properties of by coating them with different polymers assessing their suitability automotive applications. We treated various polymers—low-density polyethylene, polyester, araldite epoxy. The performance these was compared using fiber tensile experimentation, differential calorimetry, dynamic mechanical evaluation. Our findings reveal exhibit 598 MPa. However, when coated polymers, there’s variance strength: polyethylene (263 MPa), polyester (191 epoxy (281 MPa). Among these, epoxy-coated displayed least strength, while polyethylene-coated recorded highest. A noteworthy observation is lower dispersion value fiber, attributed penetration liquid into pores. conclusion, modifying can properties, making viable option components.</div></div>

Language: Английский

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Enhancement of Mechanical and Thermal Characteristics of Automobile Parts using Flax/Epoxy-Graphene Nanofiller Composites

SAE technical papers on CD-ROM/SAE technical paper series, Journal Year: 2024, Volume and Issue: unknown

Published: Feb. 23, 2024

<div class="section abstract"><div class="htmlview paragraph">With the evolving demand in automobile industry for lightweight and sustainable components, study of natural fiber composites has gained significance. Such fibers are economically efficient offer advantageous weight-specific properties. Additionally, they non-abrasive environmentally degradable, marking them as viable alternatives to conventional materials. This research emphasizes flax-based composite, developed using hand lay-up method augmented with three distinct graphene nanofillers. The fillers categorized large nanorods (dimensions 3-5 nm, lengths 150-300 nm), small nano threads 6-12 under 50 spherical particulates 29-39 nm). Reinforcement was consistently maintained at 2%, 4%, 6% by weight. results indicate that a 4 wt.% inclusion nanoparticles is particularly effective enhancing ultimate tensile strength fracture elongation epoxy matrix, registering improvements 10% 29% respectively. Reinforcements all variants noted an augmentation quasi-static toughness composites. Interestingly, 6 infusion rod boosted conductivity matrix 52%. Thermal evaluations integrated different configurations, recorded enhancements ranging from 0.22 W/mK 0.286 2 concentration. At elevated addition, rod-shaped demonstrated impressive 59.6% enhancement over flax/epoxy baseline, while larger showcased 22.14% enhancement. underscores potential graphene-augmented promising materials parts.</div></div>

Language: Английский

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