Cellulosic materials : fibers, networks, and composites /

The objectives of this book are twofold: 1. To provide a thorough examination of the materials science of cellulosic fibers with emphasis on the characterization of structure-property relations, and 2. To advance knowledge of how to best analyze cellulosic fibrous networks and composites, and, ultim...

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Bibliographic Details
Main Author: Hamad, Wadood
Corporate Author: SpringerLink (Online service)
Format: eBook
Language:English
Published: Boston, Mass. : Kluwer Academic Publishers, [2002]
Subjects:
Online Access:Connect to the full text of this electronic book
Table of Contents:
  • Machine generated contents note: I
  • I
  • 1 Native Cellulosic Fibers: Structure and Composition 1
  • 1.1 Preliminary Discourse1
  • 1.2 Fiber Morphology and Structure4
  • 1.3 Fibril Angle Measurement in Native Cellulose Fibers. 9
  • 1.4 Chemical Constituents of Wood Fibers:
  • Molecular Considerations12
  • 1.4.1 Distribution of Chemical Components in Wood
  • Fibers17
  • 1.5 The Physical Nature of Cell Wall Structure18
  • 2 Fiber Solid Mechanics 25
  • 2.1 Introduction 25
  • 2.2 Conceptual Principles of Mechanics26
  • 2.2.1 Stress28
  • 2.2.2 The Material and Spatial Descriptions of Strain 32
  • 2.2.3 Engineering Infinitesimal Strains34
  • 2.2.4 The Equations of Compatibility37
  • 2.3 Composite Characteristics of Wood Fibers38
  • 2.4 Anisotropy of the Fiber Wall41
  • 2.5 Mechanical Properties of Wood Fibers45
  • 2.5.1 Fiber Strength46
  • 2.5.2 Fiber Strain Behavior47
  • 2.5.3 Radial Mechanical Properties of the Fiber Cell Wall 49
  • 3 Damage Accumulation in Fibers 53
  • 3.1 Introduction53
  • 3.2 Industrial Fiber Separation Processes: An Investigation
  • into the Effects of Mechanical, Chemical and Chemi-thermal
  • Pulping on Native Fiber Structure56
  • 3.2.1 Chemical Pulping56
  • 3.2.2 Mechanical Pulping57
  • 3.2.2.1 Characteristics of Mechanical Refining58
  • 3.2.3 Chemimechanical Pulping61
  • 3.3 Some Rheological Aspects of Papermaking Fibers62
  • 3.4 Fatigue Characterization in Refining65
  • 3.4.1 Fundamentals of Energy Consumption and Me-
  • chanical Deformation of Wood66
  • 3.5 An Experimental Approach to Fiber
  • Fatigue-Testing72
  • 3.5.1 Philosophy of the Experimental Approach73
  • 3.5.2 The Single-Fiber Tensiometer74
  • 3.5.3 Confocal Laser Scanning Microscopy85
  • 3.6 Morphological Features of Fibers: A Cumulative Fatigue
  • Damage Analysis94
  • 3.6.1 Crack Formation and Propagation94
  • 3.6.2 Characteristic Material Degradation Properties105
  • 3.6.3 Structural Integrity of the Fiber Wall111
  • 3.7 Micro-mechanisms of Fiber Fatigue-Failure: A Theory .116
  • 3.8 Towards a Micro-mechanistic Theory of
  • Fiber Development124
  • 3.9 Concluding Remarks131
  • 4 Fractal Simulation of Crack Propagation in Fibers 137
  • 4.1 Introduction 137
  • 4.2 Fractal Dimension138
  • 4.2.1 Basic Definitions140
  • 4.2.2 Determining the Fractal Dimension142
  • 4.3 Some Theoretical Considerations of Modeling Fracture
  • Using Fractals144
  • 4.3.1 The Lattice Model145
  • 4.3.2 Equations of Motion147
  • 4.3.3 The Discrete Equations of Motion151
  • 4.3.4 The Breaking Rule153
  • 4.4 Fractal Modeling of Material Degradation in Wood Fibers 154
  • 4.4.1 A Preliminary Approach155
  • 4.4.2 Deterministic Growth of Fractal Cracks157
  • 4.4.2.1 Simulation Results159
  • 4.4.2.2 Fractal Dimension and Damage161
  • 5 Fibrous Structures: Networks and Composites 169
  • 5.1 Structural Mechanics of Fibrous Systems169
  • 5.1.1 Molecular Properties of Hydrogen-Bonded Solids 172
  • 5.1.2 Probabilistic Mechanics of Fibrous Structures. 174
  • 5.2 Cellulose Fiber-Reinforced Polymer Composites181
  • 5.2.1 Short Fiber-Reinforced Composites182
  • 5.2.2 Mechanics of Short Fiber-Reinforced Composites 185
  • 5.3 Cellulose Nanocomposites195
  • Bibliography 199
  • Subject Index 237.