The Experts below are selected from a list of 10524 Experts worldwide ranked by ideXlab platform

Ing Kong - One of the best experts on this subject based on the ideXlab platform.

  • Development of fire retardancy of Natural Fiber Composite encouraged by a synergy between zinc borate and ammonium polyphosphate
    Composites Part B: Engineering, 2019
    Co-Authors: Pooria Khalili, Kim Yeow Tshai, Xiaoling Liu, Chris D. Rudd, Ing Kong
    Abstract:

    Abstract The current work investigated the effects of zinc borate (ZB), ammonium polyphosphate (APP)/ZB and alumina trihydrate (ATH)/ZB hybrids as flame retardants on the flammability, calorimetric, thermal and mechanical performances of empty fruit bunch (EFB) Fiber reinforced epoxy Composites. The formulations with concentration of 5, 10, 15 wt·% ZB and 15 wt·% APP/ZB, 15 wt·% ATH/ZB hybrids and the Control Composite (EFB reinforced epoxy) were fabricated using resin infusion method. The Composite containing 10 wt·% APP and 5 wt·% ZB was found to produce the highest flame retardancy in 12 s vertical Bunsen burner test and show promising results in terms of burn length, drip flame time and total flame time as obtained from 60 s vertical Bunsen burner. This could be attributed to the synergism that was created at this mass fraction between the hybrid of APP and ZB. Flexural properties did not change significantly with the inclusion of APP and ZB hybrid whereas tensile strength and elongation at break experienced an obvious reduction.

  • synergistic of ammonium polyphosphate and alumina trihydrate as fire retardants for Natural Fiber reinforced epoxy Composite
    Composites Part B-engineering, 2017
    Co-Authors: Pooria Khalili, Kim Yeow Tshai, Ing Kong
    Abstract:

    Abstract Various compositions of epoxy/hardener with flame retardant (FR) as additives were used to produce Natural Fiber Composite through the resin infusion technique. The effects of Natural Fiber (NF), ammonium polyphosphate (APP), alumina trihydrate (ATH) and ATH/APP hybrid on flammability, thermal and mechanical properties of the Composites were investigated. Incorporation of NF into neat epoxy matrix reduced the gross heat of combustion with improved thermal degradation properties. Addition of APP enhanced the flame resistant properties of the Composite with a much reduced total flame time and zero drip. The 10 wt·% ATH and 5 wt·% APP hybrid showed the most promising flame retardancy with a self-extinguishing property as well as the lowest gross heat and greatest char residue amongst the various formulations investigated. In general, the formulations containing only ATH couldn't provide the effective flame resistivity as compared to that of the APP-filled Composites. The ATH-filled formulations reduced the tensile strength, elongation at break and flexural properties while an increase in the flexural strength of APP-loaded formulations was observed. An increase in moduli of the FR-filled Composites was measured as compared to that of the NF/epoxy Composite, owing to a more brittle characteristic.

Pooria Khalili - One of the best experts on this subject based on the ideXlab platform.

  • Development of fire retardancy of Natural Fiber Composite encouraged by a synergy between zinc borate and ammonium polyphosphate
    Composites Part B: Engineering, 2019
    Co-Authors: Pooria Khalili, Kim Yeow Tshai, Xiaoling Liu, Chris D. Rudd, Ing Kong
    Abstract:

    Abstract The current work investigated the effects of zinc borate (ZB), ammonium polyphosphate (APP)/ZB and alumina trihydrate (ATH)/ZB hybrids as flame retardants on the flammability, calorimetric, thermal and mechanical performances of empty fruit bunch (EFB) Fiber reinforced epoxy Composites. The formulations with concentration of 5, 10, 15 wt·% ZB and 15 wt·% APP/ZB, 15 wt·% ATH/ZB hybrids and the Control Composite (EFB reinforced epoxy) were fabricated using resin infusion method. The Composite containing 10 wt·% APP and 5 wt·% ZB was found to produce the highest flame retardancy in 12 s vertical Bunsen burner test and show promising results in terms of burn length, drip flame time and total flame time as obtained from 60 s vertical Bunsen burner. This could be attributed to the synergism that was created at this mass fraction between the hybrid of APP and ZB. Flexural properties did not change significantly with the inclusion of APP and ZB hybrid whereas tensile strength and elongation at break experienced an obvious reduction.

  • synergistic of ammonium polyphosphate and alumina trihydrate as fire retardants for Natural Fiber reinforced epoxy Composite
    Composites Part B-engineering, 2017
    Co-Authors: Pooria Khalili, Kim Yeow Tshai, Ing Kong
    Abstract:

    Abstract Various compositions of epoxy/hardener with flame retardant (FR) as additives were used to produce Natural Fiber Composite through the resin infusion technique. The effects of Natural Fiber (NF), ammonium polyphosphate (APP), alumina trihydrate (ATH) and ATH/APP hybrid on flammability, thermal and mechanical properties of the Composites were investigated. Incorporation of NF into neat epoxy matrix reduced the gross heat of combustion with improved thermal degradation properties. Addition of APP enhanced the flame resistant properties of the Composite with a much reduced total flame time and zero drip. The 10 wt·% ATH and 5 wt·% APP hybrid showed the most promising flame retardancy with a self-extinguishing property as well as the lowest gross heat and greatest char residue amongst the various formulations investigated. In general, the formulations containing only ATH couldn't provide the effective flame resistivity as compared to that of the APP-filled Composites. The ATH-filled formulations reduced the tensile strength, elongation at break and flexural properties while an increase in the flexural strength of APP-loaded formulations was observed. An increase in moduli of the FR-filled Composites was measured as compared to that of the NF/epoxy Composite, owing to a more brittle characteristic.

Kim Yeow Tshai - One of the best experts on this subject based on the ideXlab platform.

  • Development of fire retardancy of Natural Fiber Composite encouraged by a synergy between zinc borate and ammonium polyphosphate
    Composites Part B: Engineering, 2019
    Co-Authors: Pooria Khalili, Kim Yeow Tshai, Xiaoling Liu, Chris D. Rudd, Ing Kong
    Abstract:

    Abstract The current work investigated the effects of zinc borate (ZB), ammonium polyphosphate (APP)/ZB and alumina trihydrate (ATH)/ZB hybrids as flame retardants on the flammability, calorimetric, thermal and mechanical performances of empty fruit bunch (EFB) Fiber reinforced epoxy Composites. The formulations with concentration of 5, 10, 15 wt·% ZB and 15 wt·% APP/ZB, 15 wt·% ATH/ZB hybrids and the Control Composite (EFB reinforced epoxy) were fabricated using resin infusion method. The Composite containing 10 wt·% APP and 5 wt·% ZB was found to produce the highest flame retardancy in 12 s vertical Bunsen burner test and show promising results in terms of burn length, drip flame time and total flame time as obtained from 60 s vertical Bunsen burner. This could be attributed to the synergism that was created at this mass fraction between the hybrid of APP and ZB. Flexural properties did not change significantly with the inclusion of APP and ZB hybrid whereas tensile strength and elongation at break experienced an obvious reduction.

  • synergistic of ammonium polyphosphate and alumina trihydrate as fire retardants for Natural Fiber reinforced epoxy Composite
    Composites Part B-engineering, 2017
    Co-Authors: Pooria Khalili, Kim Yeow Tshai, Ing Kong
    Abstract:

    Abstract Various compositions of epoxy/hardener with flame retardant (FR) as additives were used to produce Natural Fiber Composite through the resin infusion technique. The effects of Natural Fiber (NF), ammonium polyphosphate (APP), alumina trihydrate (ATH) and ATH/APP hybrid on flammability, thermal and mechanical properties of the Composites were investigated. Incorporation of NF into neat epoxy matrix reduced the gross heat of combustion with improved thermal degradation properties. Addition of APP enhanced the flame resistant properties of the Composite with a much reduced total flame time and zero drip. The 10 wt·% ATH and 5 wt·% APP hybrid showed the most promising flame retardancy with a self-extinguishing property as well as the lowest gross heat and greatest char residue amongst the various formulations investigated. In general, the formulations containing only ATH couldn't provide the effective flame resistivity as compared to that of the APP-filled Composites. The ATH-filled formulations reduced the tensile strength, elongation at break and flexural properties while an increase in the flexural strength of APP-loaded formulations was observed. An increase in moduli of the FR-filled Composites was measured as compared to that of the NF/epoxy Composite, owing to a more brittle characteristic.

G K Sathiya - One of the best experts on this subject based on the ideXlab platform.

  • prediction of tensile properties of hybrid Natural Fiber Composites
    Composites Part B-engineering, 2012
    Co-Authors: N Venkateshwaran, A Elayaperumal, G K Sathiya
    Abstract:

    Abstract The tensile strength and modulus of short, randomly oriented hybrid-Natural Fiber Composite was found out experimentally and also predicted using Rule of Hybrid Mixture (RoHM). Hybrid Composites were prepared using banana/sisal Fibers of 40:0, 30:10, 20:20, 10:30, and 0:40 ratios, while overall Fiber volume fraction was fixed as 0.4 V f . The comparison between experimental and RoHM showed that they are in good agreement.

B Ahmed A Ali - One of the best experts on this subject based on the ideXlab platform.

  • implementation of the expert decision system for environmental assessment in Composite materials selection for automotive components
    Journal of Cleaner Production, 2015
    Co-Authors: B Ahmed A Ali, S M Sapuan, Mohamed O Othman
    Abstract:

    Abstract Conventional materials selection system was replaced with sophisticated software tools by rapid changing technology. The growing environmental concerns and regulations widely among the industry, especially in automobiles, force us to explore the Natural Fiber materials as a replacement for synthetic materials which is in common use. As a result of extensive research and development, new Natural Fiber reinforced Composite materials are emerging and the database of materials growing exponentially. The decision of selecting optimized materials was complicated, as it involves diversified choice of materials, coupled with various influencing criteria for the selection process. To abstain from deciding inappropriate materials, the technology of expert system software tools can help us in the appropriate materials selection. The objective of this research was to explore the implementation of Analytical Hierarchy Process (AHP) using the expert choice software tool for deciding optimum Natural Fiber reinforced Composite materials by considering main criteria and sub-criteria in the hierarchical model. The final judgement was performed with different scenarios of sensitivity analysis, giving priority to the environmental factors and sustainability. The result shows that the Natural Fiber Composite material hemp and polypropylene gained the higher rank in the selection process and almost compliant with the requirements of industrial product design specification and can be recommended to automotive component manufacturers to enforce green technology.

  • materials selection for Natural Fiber reinforced polymer Composites using analytical hierarchy process
    IJEMS Vol.18(4) [August 2011], 2011
    Co-Authors: S M Sapuan, E. S. Zainudin, B Ahmed A Ali, J Y Kho, Zulkiflle Leman, A Hambali
    Abstract:

    Material selection is an important process in the product development. To avoid inappropriate decision of materials, analytic hierarchy process (AHP) can be one of the useful tools for determining the most suitable material for automotive dashboard panel. In this project, database of material properties of Natural Fiber Composites has been organized systematically. The material properties of Natural Fiber material involved are density, Young’s modulus and tensile strength. There are 29 types of Natural Fiber Composites that have been considered in the application of AHP. The most suitable Natural Fiber Composite for automotive dashboard panel is determined by considering main criteria and sub-criteria in the hierarchy model. The final decision was carried out by performing different scenarios of the sensitivity analysis in order to study the effect of the different factors on deciding the most suitable material.