Structural Health Monitoring of Biocomposites, Fibre-Reinforced Composites and Hybrid Composites

Mohammad Jawaid, Mohamed Thariq Hameed Sultan, Naheed Saba, Mohamed Thariq

• Publisher: Woodhead Publishing
• Year: 2018
• Print ISBN:
  9780081022917
• eBook ISBN:
  9780081022993
• Topic: Tecnología e ingeniería
• Subtopic: Ciencias de los materiales

Structural Health Monitoring of Biocomposites, Fibre-Reinforced Composites and Hybrid Composites provides detailed information on failure analysis, mechanical and physical properties, structural health monitoring, durability and life prediction, modelling of damage processes of natural fiber, synthetic fibers, and natural/natural, and natural/synthetic fiber hybrid composites. It provides a comprehensive review of both established and promising new technologies currently under development in the emerging area of structural health monitoring in aerospace, construction and automotive structures. In addition, it describes SHM methods and sensors related to specific composites and how advantages and limitations of various sensors and methods can help make informed choices. Written by leading experts in the field, and covering composite materials developed from different natural fibers and their hybridization with synthetic fibers, the book's chapters provide cutting-edge, up-to-date research on the characterization, analysis and modelling of composite materials. - Contains contributions from leading experts in the field - Discusses recent progress on failure analysis, SHM, durability, life prediction and the modelling of damage in natural fiber-based composite materials - Covers experimental, analytical and numerical analysis - Provides detailed and comprehensive information on mechanical properties, testing methods and modelling techniques

1

The effect of different fiber loading on flexural and thermal properties of banana/pineapple leaf (PALF)/glass hybrid composite

Mohd Hanafee Zin¹, Khalina Abdan², and Mohd Nurazzi Norizan^{2 1}Institute of Tropical Forestry and Forest Products, Universiti Putra Malaysia, Serdang, Selangor, Malaysia ²Department of Biological and Agricultural Engineering, Faculty of Engineering, Universiti Putra Malaysia, Serdang, Selangor, Malaysia

Abstract

Manufacturing of high-performance materials from renewable resources has been the aim for various researchers from across the world. Whilst natural fibers have good properties such as renewable, cost-effective, and low abrasion, there are some setbacks that required hybridization with synthetic materials. The mechanical and thermal properties of hybrid biocomposite of banana-pineapple leaf (PALF)-glass woven fiber-reinforced epoxy resin was investigated in relation to different fiber volume fraction. Three-point flexural tests were carried out on specimens with different fiber volume fraction (30%, 40%, 50% in weight), indicating highest strength at 40 wt% for both banana and PALF samples. Image analyzer and scanning electron microscopy (SEM) conducted to observe the surface morphology at the failure point due to flexural loading showed increase in fiber packing at higher fiber loading. Thermal gravimetric analysis (TGA) and dynamic mechanical analysis (DMA) were conducted to analyze thermal stability of composite samples. TGA test suggested that 40 wt% offered optimum on set degradation temperature for both banana-glass and PALF-glass hybrid composite. DMA analysis showed a shift in the T_g for banana-glass hybrid composite, from 30 to 40 wt%, indicating optimum condition that contributed to molecular structure stability of the composite sample. The effect of hybridization between synthetic and natural fiber onto flexural properties was determined, and the optimum fiber volume fraction was obtained at 40% for both banana and PALF composites.

Keywords

Banana; Biocomposite; Epoxy; Glass; Hot press; Hybrid; Pineapple

1.1. Introduction

The rising awareness of sustainability in aviation industry has led to various research studies being carried out in the natural resources domain. Natural fibers have been widely used as effective reinforcement in polymer matrices. Fillers in the form of fibers or particles are fabricated with polymers to obtain products with desired thermal, mechanical, and electrical properties. The properties of the fibrous composite materials are mainly dependent on their respective fiber properties. Other factors affecting the properties include the microstructural parameters such as fiber diameter, fiber length, fiber distribution, fiber orientation, volume fraction of the fibers, and packing arrangement of the fibers [1]. Natural fibers are biodegradable and a cheaper substitute for synthetic fibers, such as glass and carbon. They possess a lot of advantages, such as economical, low density, high toughness, ease of separation, and acceptable specific strength properties. Despite numerous research studies being done on natural fiber-reinforced composites, natural fibers do have some drawbacks such as hydrophilic nature, which reduces the adhesive bonding with hydrophobic polymeric matric, as mentioned by [2]. Natural fibers are also prone to sensitivity to humidity and UV radiation, large variations in mechanical properties and low resistance on impact, as reported by [3]. To overcome this issue, most of the research has focused on improving interfacial properties between fiber reinforcement and polymer matrices through methods such as chemical treatment to enhance mechanical properties of the end products.

In the structural application domain, fiber-reinforced composites have gained a lot of market potential due to the variety of usage. However, this market growth is somehow limited due to lack of toughness of FRP. The mechanical properties of natural fiber-reinforced composites are significantly improved with the incorporation of synthetic fiber such as glass or carbon fiber.

Hybrid composites refer to a combination of two or more different materials combined in a common matrix. Natural fibers have great potential...

Table of contents

• Cover image
• Title page
• Table of Contents
• Copyright
• Dedication
• List of contributors
• About the editors
• Preface
• 1. The effect of different fiber loading on flexural and thermal properties of banana/pineapple leaf (PALF)/glass hybrid composite
• 2. Biomass valorization for better aviation environmental impact through biocomposites and aviation biofuel
• 3. Structural health monitoring of aerospace composites
• 4. Recent advances and trends in structural health monitoring
• 5. Structural health monitoring of fiber polymer composites
• 6. Corrosion detection for natural/synthetic/textiles fiber polymer composites
• 7. Haptic-based virtual reality system to enhance actual aerospace composite panel drilling training
• 8. Maintenance and monitoring of composites
• 9. Synthetic/natural fiber properties of fire-designated zone of an aircraft engine: A structural health monitoring approach
• 10. Aerogel-based thermally sprayed coatings for aero-propulsion systems: A feasibility study based on structural health monitoring approach
• 11. Structural health monitoring of biocomposites, fibre-reinforced composites, and hybrid composite
• 12. Fracture surface morphologies in understanding of composite structural behavior
• 13. An overview on the role of structural health monitoring in various sectors
• 14. Fracture surface morphologies in understanding of composite structural behavior
• Index