Azlin Fazlina Osman
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Preferred name
Azlin Fazlina Osman
Official Name
Azlin Fazlina, Osman
Alternative Name
Osman, Azlin Fazlina
Osman, A.
Fazlina Osman, Azlin
Main Affiliation
Scopus Author ID
54891813000
Researcher ID
K-2714-2019

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  • Publication
    Network Structure and Mechanical Properties of Flexible Electronic Interconnects based on Linear Low-Density Polyethylene (LLDPE) and Liquid Silicone Rubber (LSR) Conductive Polymer Composites
    ( 2024-03-01)
    Khairul Anwar Abdul Halim
    ;
    Mohd Arif Anuar Mohd Salleh
    ;
    Badrul F.
    ;
    Azlin Fazlina Osman
    ;
    Mohd Firdaus Omar
    ;
    Suhaimi A.S.
    ;
    Muhammad Salihin Zakaria
    Conductive polymer composites (CPCs) with the ability to maintain high conductivity whilst remaining flexible at various operating temperatures and conditions have gained interest as potential materials for electronic interconnect applications. The ability of a polymer matrix to conduct electricity is mainly dependent on the conductive filler loadings as well as the formation of network paths within the CPCs. The main aim of this research work was to establish and understand the correlation between the network structure formation and mechanical properties of linear low-density polyethylene/copper (LLDPE/Cu) and liquid silicone rubber/copper (LSR/Cu) CPCs. Various techniques such as electron microscopy, thermal studies, four-point probe, and tensile testing were employed in this study. Furthermore, selected samples were characterized and tested using synchrotron micro-x-ray fluorescence (XRF) technique and dynamic mechanical analysis (DMA). It was found that the electrical conductivity of the CPCs increased with increasing filler loadings. Addition of Cu filler had a marginal effect on the tensile strength of both LLDPE/Cu and LSR/Cu CPCs. Nevertheless, it was found that the elongation at break for LLDPE/Cu consistently increased with the addition of Cu whereas, for LSR/Cu samples, the elongation at break decreased with the addition of Cu at various loadings. The scanning electron microscopy (SEM) micrographs obtained show that the particles of Cu were closer to one another at higher filler loadings. The data obtained revealed the potential for utilizing CPCs as flexible interconnects suitable for advanced electronic applications.
      1
  • Publication
    The Influence of Compounding Parameters on the Electrical Conductivity of LDPE/Cu Conductive Polymer Composites (CPCs)
    ( 2021-11-12)
    Farah Badrul
    ;
    Khairul Anwar Abdul Halim
    ;
    Mohd Arif Anuar Mohd Salleh
    ;
    Azlin Fazlina Osman
    ;
    Nor Asiah Muhamad
    ;
    Muhammad Salihin Zakaria
    ;
    Nurul Afiqah Saad
    ;
    Syatirah Mohd Noor
    Low-linear density (LDPE) and copper (Cu) were used as main polymer matrix and conductive filler in order to produce electrically conductive polymer composites (CPC). The selection of the matrix and conductive filler were based on their due to its excellence properties, resistance to corrosion, low cost and electrically conductive. This research works is aimed to establish the effect of compounding parameter on the electrical conductivity of LDPE/Cu composites utilising the design of experiments (DOE). The CPCs was compounded using an internal mixer where all formulations were designed by statistical software. The scanning electron micrograph (SEM) revealed that the Cu conductive filler had a flake-like shape, and the electrical conductivity was found to be increased with increasing filler loading as measured using the four-point probe technique. The conductivity data obtained were then analysed by using the statistical software to establish the relationship between the compounding parameters and electrical conductivity where it was found based that the compounding parameters have had an effect on the conductivity of the CPC.
      1  27
  • Publication
    Micromechanical modeling of polyamide 11 nanocomposites properties using composite theories
    ( 2023)
    Khairul Anwar Abdul Halim
    ;
    James E. Kennedy
    ;
    Mohd Arif Anuar Mohd Salleh
    ;
    Azlin Fazlina Osman
    ;
    Mohd Firdaus Omar
    ;
    N.M. Sunar
    The use of organically modified clays as nano-reinforcement in polymer matrices is widely investigated owing to their remarkable reinforcement at low filler loading. In this body of work, the nanocomposites were prepared by melt blending nanoclay with polyamide 11 (PA 11) utilising a twin-screw extruder in order to maximise the dispersion of clay particles within the matrix during compounding. The main aim of the work was to study the reinforcing effect of nanoclay within PA 11 using two micromechanical model namely Halpin-Tsai and Mori-Tanaka composite theories. These theories were used to predict the effective tensile modulus of PA 11 nanocomposites and the results were compared to the experimental data. In addition, the Halpin-Tsai model was used to predict the storage modulus and heat distortion temperature (HDT) of PA 11 nanocomposites. It was found that the tensile modulus for nanocomposites with a high clay aspect ratio exhibits up to 10% higher when compared to the nanocomposites with lower clay aspect ratio. Thus, it is believed that the combination of clay aspect ratio and modulus contributes to the super reinforcing effect of nanoclay within the PA 11 matrix.
      1  20
  • Publication
    The use of ground & ultrasonicated dolomite (GUD) for improving the tensile performance of Poly (ethylene-co-vinyl acetate) copolymer composite
    ( 2021-11-12)
    Fauzi A.A.A.
    ;
    Azlin Fazlina Osman
    ;
    Khairul Anwar Abdul Halim
    ;
    Mustafa Z.
    ;
    Alakrach A.M.
    ;
    Mohd Nazry Salleh
    The combination of the organic and inorganic materials to fabricate a new form of material called 'composite' has been performed since several decades ago. However, the strategy to improve the homogeneity of the resultant composite system is still being the main focus of current research. In this study, dolomite and poly (ethylene-co-vinyl acetate) (PEVAc) were employed as filler and matrix, respectively. Dolomite was ground and ultrasonicated before being used as filler. It can be observed that the size of dolomite particles has been reduced significantly upon the grinding and ultrasonication processes. The effect of ground and ultrasonicated dolomite (GUD) addition on the mechanical performance of the PEVAc copolymer was investigated. Results indicate that the GUD filler has successfully increased the tensile strength, elongation at break, modulus of elasticity and tensile toughness of the PEVAc copolymer when being employed in 1 wt%. However, the use of higher content of GUD resulted in the decreasing trend of those properties. This shows that the ground and ultrasonicated dolomite with smaller and higher surface area particles than its pristine form could bring improvement to the mechanical performance of the copolymer when being used in low loading as it can be more easily dispersed in the copolymer matrix.
      40  1
  • Publication
    The effect of twin screw compounding parameters on the tensile properties of pineapple leaf/sea shell hybrid polymer composite using DOE approach
    ( 2020-11-24)
    Ching N.T.
    ;
    Khairul Anwar Abdul Halim
    ;
    Mohd Firdaus Omar
    ;
    Azlin Fazlina Osman
    ;
    Muhammad Salihin Zakaria
    Pineapple leaf and sea shell were used as natural fillers in this research due to its biodegradable nature, wide availability, continuous resources and low cost. This research work was carried out to investigate the effect of compounding process using twin screw extruder on the tensile performance of pineapple leaf / sea shell polymer composite using Design of Experiment (DOE) approach. A total of nine runs of were formulated and the resulitng hybrid composites were compounded using twin screw extruder. The short term tensile test was carried out to determine the tensile properties and the data were sunsequently analyse using DOE software. Pareto chart of the standardized effect and the main effect plot were employed to investigate the relationship between processing parameters and the tensile performance of the hybrid composite systems. Based on the initial DOE analysis, it is shown that compounding parameters had influenced the final mechanical behavior of the hybrid composites.
      1  34
  • Publication
    MicroMechanical Modeling of PolyaMide 11 nanocoMPosites ProPerties using coMPosite theories
    ( 2023-01-01)
    Khairul Anwar Abdul Halim
    ;
    Kennedy J.E.
    ;
    Mohd Arif Anuar Mohd Salleh
    ;
    Azlin Fazlina Osman
    ;
    Mohd Firdaus Omar
    ;
    Sunar N.M.
    The use of organically modified clays as nano-reinforcement in polymer matrices is widely investigated owing to their remarkable reinforcement at low filler loading. In this body of work, the nanocomposites were prepared by melt blending nanoclay with polyamide 11 (PA 11) utilising a twin-screw extruder in order to maximise the dispersion of clay particles within the matrix during compounding. The main aim of the work was to study the reinforcing effect of nanoclay within PA 11 using two micromechanical model namely Halpin-Tsai and Mori-Tanaka composite theories. These theories were used to predict the effective tensile modulus of PA 11 nanocomposites and the results were compared to the experimental data. In addition, the Halpin-Tsai model was used to predict the storage modulus and heat distortion temperature (HDT) of PA 11 nanocomposites. It was found that the tensile modulus for nanocomposites with a high clay aspect ratio exhibits up to 10% higher when compared to the nanocomposites with lower clay aspect ratio. Thus, it is believed that the combination of clay aspect ratio and modulus contributes to the super reinforcing effect of nanoclay within the PA 11 matrix.
      1  27
  • Publication
    Poly(ethylene-co-vinylacetate) copolymer based nanocomposites: a review
    (IOP Publishing Ltd., 2020)
    Azlin Fazlina Osman
    ;
    Asna Rasyidah Abdul Hamid
    ;
    Tuty Fareyhynn Mohammed Fitri
    ;
    Asfa Amalia Ahmad Fauzi
    ;
    Khairul Anwar Abdul Halim
    Nowadays, there is huge demand for novel materials which are desired for new functions and new technological advancements. All technological demands for new applications cannot be implemented by many of the well-established materials, such as single plastics, metals or ceramics. Hence, engineers and scientists realized that, in comparison with pristine counterparts of material, the mixtures of materials can produce much better properties. Polymer nanocomposites is a new form of materials that resulted by the combination of polymers and nanofillers which contributed to various benefits over the neat polymer such as improvement in biocompatibility, biostability, thermal stability, flame retardancy, mechanical and barrier properties. Due to these factors, nanocomposites have received an extraordinary consideration for use in broad range of applications. However, the polymer nanocomposites which comprised of copolymer as matrix material are not widely studied, especially those involved poly(ethylene-co-vinyl acetate) (PEVA). The production of PEVA copolymer-based nanocomposites for various applications has been reported by few research papers. In this communication, a review on the properties of PEVA-based nanocomposites with different types of nanofiller was summarized, revealing the high potential of this class of nanocomposite for advanced applications.
      21  1