Composite Interfaces in Mechanical Design / Parvez Alam.

Format:

Book

Author/Creator:

ʻĀlam, Parvez, author.

Series:

IOP Ebooks Series

Language:

English

Subjects (All):

Fiber-reinforced plastics--Mechanical properties.

Fiber-reinforced plastics.

Materials science.

Polymeric composites--Mechanical properties.

Polymeric composites.

Physical Description:

1 online resource (187 pages)

Edition:

First edition.

Place of Publication:

Bristol, England : IOP Publishing, [2024]

Summary:

This book provides an in-depth exploration of composite interfaces in mechanical design, focusing primarily on polymer (FRP) composites. It covers a range of topics including fiber-matrix interfaces, composite delamination, and strain energy release rates. The text delves into chemical analysis of fiber interfaces using Fourier Transform Infrared Spectroscopy, examining various fibers such as carbon, glass, aramid, and natural fibers. It discusses bonding mechanisms, including mechanical interlocking, electrostatic, and chemical adhesion, along with interface morphology and mechanical testing methods. The book aims to serve as both an educational resource for students and a reference for researchers, offering insights into the mechanical properties and failure modes of composite materials. Written by Parvez Alam, it is part of a series expanding on his previous work in composites engineering. Generated by AI.

Contents:

Intro

Author biography

Parvez Alam

Chapter An overview of composite interfaces

1.1 Introduction

1.2 The fibre-matrix interface

1.3 Composite delamination

1.3.1 Delamination due to through thickness loading

1.3.2 Delamination due to stresses from geometry

1.3.3 Delamination due to laminate connections and discontinuities

1.3.4 Internal delamination: fundamental theory

1.4 Strain energy release rate

1.5 Examples of interfacial failure

1.5.1 Helicopter rotor blades

1.5.2 Rockets

References

Chapter Chemical characterisation of fibre interfaces by FTIR

2.1 Introduction

2.2 Carbon fibres

2.2.1 PAN-based carbon fibres

2.2.2 Surface treated and sized CF

2.2.3 Summary table

2.3 Glass fibres

2.3.1 Treated and untreated glass fibres

2.3.2 Summary table

2.4 Aramid fibres

2.4.1 M-aramids and p-aramids

2.4.2 Types of aramid fibre

2.4.3 Surface-treated aramid fibres

2.4.4 Summary table

2.5 Natural fibres

2.5.1 Characterisation of natural fibre constituents

2.5.2 Characterisation of cellulose polymorphs

2.5.3 Mercerised natural fibre

2.5.4 Acetylated natural fibre

2.5.5 Summary table

Chapter Bonding mechanisms at composite interfaces

3.1 Introduction

3.2 Mechanical interlocking of adhesion

3.2.1 Fibre roughness

3.2.2 The effects of roughness on wetting

3.3 Electrostatic adhesion

3.4 Chemical adhesion

3.5 Diffusion adhesion and entanglements

Chapter From interfaces to interphases

4.1 Introduction

4.2 Models of interphase formation

4.2.1 Kinetics of formation

4.2.2 Thermodynamics of formation

4.3 Mechanical properties and the interphase

4.3.1 Rule of Mixtures

4.3.2 Transverse Rule of Mixtures

4.3.3 Modulus and strength models for nanocomposites

References.

Chapter Surface treatment of reinforcing fibres

5.1 Introduction

5.2 Carbon fibres

5.2.1 Common carbon fibre sizing

5.2.2 Sizing identification by IR spectroscopy

5.2.3 Mechanical properties

5.3 Glass fibres

5.3.1 Common glass fibre sizing

5.3.2 Sizing identification by IR spectroscopy

5.3.3 Mechanical properties

5.4 Natural fibres

5.4.1 Alkalisation

5.4.2 Acetylation

5.4.3 Silane coupling agents

5.4.4 Maleic anhydride coupling agents

5.4.5 Plasma treatment

Chapter Interface morphology

6.1 Introduction

6.2 Types of roughness

6.3 Glass fibre roughness, morphology, and properties

6.4 Carbon fibre roughness, morphology, and properties

Chapter Mechanical testing-methods and standards

7.1 Overview of the chapter

7.2 Macro-scale test methods

7.2.1 Lap shear test

7.2.2 Mode I-Double cantilever beam (DCB) test

7.2.3 Mode I-Tapered double cantilever beam (TDCB) test

7.2.4 Mode I-Wedge-peel (WP) and impact wedge-peel (IWP) tests

7.2.5 Mode II-End notched flexure (ENF) test

7.2.6 Mode II-End-loaded split (ELS) test

7.2.7 Mode II-Four-point end-notched flexure (4ENF) test

7.2.8 Mode III-Edge ring crack torsion (ERCT) test

7.2.9 Mixed mode (modes I and II) flexure (MMF)/bending (MMB)

7.3 Fibre and particulate scale test methods

7.3.1 Single fibre pullout

7.3.2 Micro-bond

7.3.3 Micro-indentation

7.3.4 Broutman test

7.3.5 Fibre fragmentation test

Chapter DMA of composite interfaces

8.1 Introduction

8.2 DMA: the fundamentals

8.2.1 General concepts

8.2.2 Properties of viscoelastic materials

8.2.3 Material behaviour in a temperature sweep

8.3 Characterisation of interfacial interactions using DMA

8.3.1 Observation of E′ and E″ shifts

8.3.2 Changes to the tanδ (loss factor) curve.

8.3.3 Changes within the rubbery region

8.4 Useful DMA models

8.4.1 The adhesion factor, A

8.4.2 The degree of entanglement, N

8.4.3 The reinforcing effectiveness factor, C

Chapter Fracture and failure at interfaces in composites

9.1 Introduction

9.2 Tensile loading and fibre orientation

9.3 Tensile failure at the microstructural level

9.3.1 Fibre failure in tension

9.3.2 Matrix failure in tension

9.3.3 Interface failure in tension

9.4 Tensile failure at the macrostructural level

9.5 Compressive modes of failure in composites

9.6 Interlaminar shear failure in composites

Notes:

Description based on publisher supplied metadata and other sources.

Part of the metadata in this record was created by AI, based on the text of the resource.

Description based on print version record.

Includes bibliographical references.

ISBN:

9780750356909

0750356901

OCLC:

1463796593