- Polymer Nanocomposites and Properties
- Natural Fiber Reinforced Composites
- biodegradable polymer synthesis and properties
- Additive Manufacturing and 3D Printing Technologies
- Advanced Sensor and Energy Harvesting Materials
- Conducting polymers and applications
- Epoxy Resin Curing Processes
- Polymer crystallization and properties
- Nanocomposite Films for Food Packaging
- Fiber-reinforced polymer composites
- Polymer composites and self-healing
- Tribology and Wear Analysis
- Advanced Cellulose Research Studies
- Synthesis and properties of polymers
- Polymer Nanocomposite Synthesis and Irradiation
- Bone Tissue Engineering Materials
- Silicone and Siloxane Chemistry
- Advanced ceramic materials synthesis
- Dielectric materials and actuators
- Carbon Nanotubes in Composites
- Microplastics and Plastic Pollution
- Electromagnetic wave absorption materials
- Microwave-Assisted Synthesis and Applications
- ZnO doping and properties
- Aluminum Alloys Composites Properties
Universiti Malaysia Perlis
2016-2025
Universiti Sains Malaysia
2004-2008
Fused deposition modelling (FDM) has been widely used in medical appliances, automobile, aircraft and aerospace, household toys, many other fields. The ease of processing, low cost high flexibility FDM technique are strong advantages compared to techniques for thermoelectric polymer composite fabrication. This research work focuses on the effect two crucial printing parameters (infill density pattern) tensile, dynamic mechanical, properties conductive acrylonitrile butadiene styrene/zinc...
Abstract Onium modified montmorillonite (organoclay) was compounded with natural rubber (NR) in an internal mixer and cured by using a conventional sulfuric system. Epoxidized 50 mol % epoxidation (ENR 50) 10 parts per hundred (phr) used as compatibilizer this study. For comparison purposes, two commercial fillers: carbon black (grade N330) silica vulcasil‐S) were used. Cure characteristics carried out on Monsanto MDR2000 Rheometer. Organoclay filled vulcanizate showed the lowest values of...
Abstract Onium ion‐modified montmorillonite (organoclay) was melt compounded with natural rubber (NR) in an internal mixer and cured by using a conventional sulfuric system. Epoxidized 50 mol % epoxidation (ENR 50) used 10 parts per hundred (phr) as compatibilizer. The effect of organoclay different filler loading up to phr studied. Cure characteristics were determined Monsanto MDR2000 rheometer, whereas the tensile, compression, tear properties nanocomposites measured according related ASTM...
Abstract Epoxy composites containing particulate fillers‐fused silica, glass powder, and mineral silica were investigated to be used as substrate materials in electronic packaging application. The content of fillers varied between 0 40 vol%. effects the on thermal properties—thermal stability, expansion dynamic mechanical properties epoxy studied, it was found that fused increase stability reduce coefficient (CTE). lowest CTE value observed at a vol% for composites, which traced effect its...
This study examines the effect of particulate reinforcement on mechanical properties 3D printed acrylonitrile–butadiene–styrene (ABS). Copper ferrite (CuFe 2 O 4 ) as a reinforcer with various loadings was used to print ABS composite specimen, namely, 8, 11 and 14 wt%. Mechanical testing such tensile test hardness performed samples. Specimens wt% CuFe showed 135% increase in strength compared pure specimens. are 14% harder Thermal conductivity increased 93% for specimen loaded reinforcer....
The effect of poly(methyl methacrylate) modified water hyacinth fiber on properties low density polyethylene (LDPE)/natural rubber (NR)/water (WHF) composites were investigated. prepared with Z-blade mixer at 180°C and rotor speed 50 rpm. fibers in LDPE/NR (LDPE/NR/WHF-PMMA) gave a greater value tensile strength, Young's modulus, glass transition temperature (Tg), melting (Tm), % crystallinity compared to unmodified (LDPE/NR/WHF). FTIR analysis shows the presence ester carbonyl group C-O...
Abstract This work aimed to study the effect of zinc oxide (ZnO) filler suspension on mechanical, electrical, and thermal properties polylactic acid (PLA)/ZnO cPLA/ZnO. Fused deposition modelling, one additive manufacturing methods, was used fabricate PLA specimen. as main material in this project, ZnO added during printing process. The speed dispenser (low = 1,000 rpm, medium 1,400 high 1,800 rpm) parameter that varied control content composite. All samples underwent a tensile test...
Abstract Most previously reported susceptors for microwave welding are in powder form. In this study, a thin-film susceptor was employed due to its uniform heating rate and ease of handling. Silicon carbide nanowhisker (SiCNW) were incorporated into poly(methyl methacrylate) (PMMA) matrix create nanocomposite thin film, which served as the susceptor. The process involved three straightforward steps: fabrication PMMA/SiCNW application film target area, subsequent heating. Upon cooling, robust...
The properties of polymeric composites have often been altered with the incorporation fillers. In this study, poly(methyl methacrylate) (PMMA) was filled silicon carbide nano-particles (SiC). PMMA/SiC composite films were prepared through solution casting by using acetone as solvent. different loading SiC ranging from 0.25 wt% to 1.00 incorporated into PMMA matrix. effect and silane coupling agent on in terms mechanical, physical, morphological investigated. It found that increasing...
Stretchable conductive material has garnered significant attention in recent years since it offers both electrical conductivity and the ability to undergo deformation without losing its conductivity. Herein, NRL/VSR blend materials were prepared with varying ratios, GNP-SDS, using a simple mechanical stirring method. The main objective was investigate influence of ratios on physical, mechanical, properties unfilled filled systems. findings revealed that addition VSR had detrimental effect...
In this paper, the composites were prepared to improve mechanical, electrical and thermal properties because 3D printed objects tend have low structural integrity. The printing process starts by laying down successive layers of molten ABS filament filler will disperse onto layer until whole specimen was completed. aim study is investigate influence fillers content on ABS–zinc ferrite composites. mechanical strength products usually worse compared with injection molding due their fragile...
Research into 3D printed composites are interesting because the properties of components usually insufficient for robust engineering applications. In this paper, conductive ABS – ZnO were successfully fabricated using a printer. Tensile strength increases when filler loading up to 11wt%. Dynamic storage modulus ABS-ZnO composite with addition filler, indicating stiffness enhancement composites. Higher loss is also observed on samples filler. Thermal conductivity from 0.2204 W/mK 0.3508...
The effect of mixed size recycled-copper-filled epoxy composites on mechanical, electrical, thermal and physical properties was investigated. recycled copper collected as a waste from the milling machine. recycledcopper-filled composite using mechanical stirrer. volume fraction were studied based flexural properties, coefficient analysis (CTE), electrical conductivity, hardness density. incorporation has decreased CTE composites. density increased with increasing filler loading.
Graphene nanoplatelets (GNP) filled epoxy composites ranged from 0.2 to 5 vol.% were prepared in this study using simple heat assisted bath sonication for better GNP dispersion and exfoliation. The effects of filler loading via on the mechanical properties thermal deformation behaviour investigated. Improvements flexural strength fracture toughness up 0.4 recorded. Further addition shows a deteriorating composites. bulk electrical conductivity is greatly improved with 1 vol.%. expansion...
In this study, the effect of acetic acid used as catalyst in promoting decomposition rate blowing agent (sodium bicarbonate) epoxy foam was done. Hard produced using mechanical mixing technique. Epoxy has been tested with adding at 5 phr and different content sodium bicarbonate which are 0, 5, 10, 15, 20 phr, respectively. The on viscosity, density, properties, dielectric constant studied. results were compared between without system. Viscosity reading increased increasing due to rapid...
A new approach of mimicking the selective localization mechanism conductive filler into one phase immiscible polymer blend system is proposed here, where a moderate fine polymethylmethacrylate (PMMA) powder prepared and used as spacer in carbon black (CB) filled epoxy adhesives that can be applied at room temperature. The main purpose PMMA‐spacer to promote formation networks via aiding 3D self‐assembly CB filler, selectively continuous epoxy. content ranged from 10, 20, 30, 40, 50 vol.%...
Abstract PLA are the most sustainable alternatives and can fit in a wide-range of applications electronics, nonwoven fabrics food packaging. With these PLA’s adaptability suitability many techniques production such as injection moulding, extrusion, blow has become high interest process. Besides, thermoplastic polyester that mostly obtained from renewable materials [1]. Infill patterns affect mechanical properties 3D printed cPLA. with zig zag infill pattern higher tensile strength 23.409 MPa...
Acrylonitrile butadiene styrene (ABS)/zinc oxide(ZnO) composites have been fabricated via fused deposition modelling technique. The effect of filler precoating and printing parameters on mechanical properties the are investigated. incorporation precoated fillers increase infill density improve tensile strength, Young's modulus hardness composites. Printing pattern determines mainly but has no significant hardness. Based experimental results, it is suggested that line printed with at medium...
The potential of natural rubber (NR) in controlling the morphology to promote selective localization nano-filler two-matrix epoxy/NR/GNP system was studied. effect NR contents (from 5 up 30 vol%) on mechanical, thermal, and electrical performances epoxy/NR systems were investigated. It clearly observed that mechanical properties higher as compared system, at vol% content. incorporation GNP increased viscosity thus, smaller phase has formed. good interfacial adhesion between epoxy matrix...