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Toughening mechanisms in composite materials / edited by Qinghua Qin and Jianqiao Ye ; contributors, G. Allegri [and thirty others].
- Format:
- Book
- Series:
- Woodhead Publishing series in composites science and engineering ; Number 55.
- Woodhead Publishing Series in Composites Science and Engineering ; Number 55
- Language:
- English
- Subjects (All):
- Composite materials.
- Physical Description:
- 1 online resource (417 p.)
- Place of Publication:
- Amsterdam, [Netherlands] : Woodhead Publishing, 2015.
- Language Note:
- English
- Summary:
- Toughening Mechanisms in Composite Materials aims to provide a comprehensive and technically detailed coverage of composites and their toughening mechanisms. Unique in its direct and comprehensive approach, the book presents fundamental knowledge on composites' toughening mechanisms as well as a comprehensive treatment of numerical methods. This volume summarizes the current state-of-the-art and presents the most recent research outcomes in the field. It details the development of each of the techniques, beginning with basic principles, and new concepts are illustrated with examples wherever p
- Contents:
- Front Cover; Toughening Mechanisms in Composite Materials; Copyright; Contents; List of contributors; Woodhead Publishing Series in Composites Science and Engineering; Chapter 1: Introduction to the composite and its toughening mechanisms; 1.1. Basic concepts; 1.1.1. Matrix materials; 1.1.2. Reinforcement materials; 1.2. Historical developments; 1.3. Classification and applications; 1.3.1. Classification based on matrix materials; 1.3.2. Classification based on the geometry of reinforcement; 1.4. Effective mechanical behavior of composites; 1.4.1. Mechanics of materials approach
- 1.4.1.1. Determination of longitudinal modulus E11.4.1.2. Determination of transverse modulus E2; 1.4.1.3. Determination of major Poissons ratio μ12; 1.4.1.4. Determination of in-plane shear modulus G12; 1.4.2. Finite element approach; 1.4.2.1. Calculation of E1 and μ12; 1.4.2.2. Calculation of E2; 1.4.2.3. Calculation of G12; 1.4.2.4. A numerical example; 1.4.3. Direct homogenization; 1.4.4. Indirect homogenization; 1.4.4.1. Self-consistent scheme; 1.4.4.2. Mori-Tanaka method; 1.4.4.3. Differential method; 1.4.5. Micromechanics-boundary element mixed approach
- 1.4.5.1. BE formulation for two-phase composites1.4.5.2. Algorithm for self-consistent approach; 1.4.6. Periodic boundary conditions in unit cell scheme; 1.4.6.1. Periodic boundary condition; 1.4.6.2. FE modeling; Element type and material property; Element mesh; Numerical results; 1.5. Toughening mechanisms of composites; 1.5.1. Crack front pinning; 1.5.2. Particle bridging or crack bridging; 1.5.3. Crack path deflection; 1.5.4. Microcrack toughening; References; Part One: Toughening mechanisms for particle-reinforced composites
- Chapter 2: Silicon nitride based ceramic composites toughened by rare-earth oxide additives2.1. Introduction; 2.2. Preparing Si3N4-based ceramics and the role of RE oxide additives; 2.2.1. Densification mechanism of Si3N4; 2.2.2. Microstructure evolution of Si3N4; 2.2.3. RE elements and their role in Si3N4 ceramics; 2.2.4. Effect of RE oxides on the microstructure development of Si3N4; 2.2.5. Processing of Si3N4-SiC composites; 2.2.6. Effect of RE2O3 on the microstructure development of Si3N4-SiC composites; 2.3. Toughening of Si3N4-based ceramics; 2.3.1. Fracture toughness of Si3N4 monoliths
- 2.3.2. Fracture toughness of Si3N4-SiC composites2.4. The influence of RE oxide additives on the toughening of Si3N4-based materials; 2.4.1. Fracture toughness of the monolithic Si3N4 ceramics sintered with RE2O3; 2.4.2. Fracture toughness of the Si3N4-SiC composites sintered with RE2O3; 2.5. Future trends; 2.6. Sources of further information; Acknowledgments; References; Chapter 3: Toughening mechanisms in epoxy/graphene platelets composites; 3.1. Introduction; 3.2. Graphene and its derivatives; 3.2.1. From graphene to graphene oxide; 3.2.2. Characteristic of GnPs
- 3.3. Fabrication, structure, properties, and toughening mechanisms of epoxy composites containing GnPs of ~10nm in thickness
- Notes:
- Description based upon print version of record.
- Includes bibliographical references at the end of each chapters and index.
- Description based on print version record.
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