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<p>Natural fiber-reinforced composites are nowadays considered one of the superior engineering materials and are gaining the attention of people who are working in the field of materials. This special kind of engineering materials is owed to their outstanding lower density, reduced cost, and greater mechanical characteristics in some of the applications. In the present study, areca fiber-reinforced polyester resin was developed using a hand layup technique with cenosphere of different percentages of 0%, 10%, 20%, 30%, and 40%. Areca fibers were chemically treated with 5% NaOH and KOH solution. The mechanical properties of untreated and chemically treated composites with cenosphere were evaluated for tensile, flexural, impact, and hardness properties. The dielectric property and electrical conductivity were measured over a wide range of frequencies from 40 to 5MHz. Mechanical, thermal, and electrical characteristics of areca fiber-reinforced composites reveal that they could be used as a new building insulation material.</p>

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Studies on the effect of alkali treatment on sustainable green composites reinforced with cenosphere and areca fiber in the polyester

  • 期刊论文

  • 发表日期：

    2025年5月24日

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  • N Kavya,
  • N Nagaraja,
  • Ashok R. Banagar

摘要

Natural fiber-reinforced composites are nowadays considered one of the superior engineering materials and are gaining the attention of people who are working in the field of materials. This special kind of engineering materials is owed to their outstanding lower density, reduced cost, and greater mechanical characteristics in some of the applications. In the present study, areca fiber-reinforced polyester resin was developed using a hand layup technique with cenosphere of different percentages of 0%, 10%, 20%, 30%, and 40%. Areca fibers were chemically treated with 5% NaOH and KOH solution. The mechanical properties of untreated and chemically treated composites with cenosphere were evaluated for tensile, flexural, impact, and hardness properties. The dielectric property and electrical conductivity were measured over a wide range of frequencies from 40 to 5MHz. Mechanical, thermal, and electrical characteristics of areca fiber-reinforced composites reveal that they could be used as a new building insulation material.