TY - BOOK AU - Ashby,M.F TI - Materials selection in mechanical design SN - 9781856176637 AV - TA403.6 .A74 2011 PY - 2011///] CY - Burlington, MA PB - Butterworth-Heinemann KW - Materials KW - Engineering design N1 - Includes index; Contents; Preface; Features of the Fourth Edition; chapter 1 Introduction; 1.1. Introduction and Synopsis; 1.2. Materials in Design; 1.3. The Evolution of Engineering Materials; 1.4. The Evolution of Materials in Products; 1.5. Summary and Conclusions; 1.6. Further Reading; chapter 2 The Design Process; 2.1. Introduction and Synopsis; 2.2. The Design Process; 2.3. Types of Design; 2.4. Design Tools and Materials Data; 2.5. Function, Material, Shape, and Process; 2.6. Case Study: Devices to Open Corked Bottles; 2.7. Summary and Conclusions; 2.8. Further Reading; chapter 3 Engineering Materials and Their Properties; 3.1. Introduction and Synopsis; 3.2. The Families of Engineering Materials; 3.3. Materials Information for Design; 3.4. Material Properties and Their Units; 3.5. Summary and Conclusions; 3.6. Further Reading; chapter 4 Material Property Charts; 4.1. Introduction and Synopsis; 4.2. Exploring Material Properties; 4.3. The Material Property Charts; 4.4. Summary and Conclusions; 4.5. Further Reading; chapter 5 Materials Selection---The Basics; 5.1. Introduction and Synopsis; 5.2. The Selection Strategy; 5.3. Material Indices; 5.4. The Selection Procedure; 5.5. Computer-aided Selection; 5.6. The Structural Index; 5.7. Summary and Conclusions; 5.8. Further Reading; chapter 6 Case Studies: Materials Selection; 6.1. Introduction and Synopsis; 6.2. Materials for Oars; 6.3. Mirrors for Large Telescopes; 6.4. Materials for Table Legs; 6.5. Cost: Structural Materials for Buildings; 6.6. Materials for Flywheels; 6.7. Materials for Springs; 6.8. Elastic Hinges and Couplings; 6.9. Materials for Seals; 6.10. Deflection-limited Design with Brittle Polymers; 6.11. Safe Pressure Vessels; 6.12. Stiff, High-damping Materials for Shaker Tables; 6.13. Insulation for Short-term Isothermal Containers; 6.14. Energy-efficient Kiln Walls; 6.15. Materials for Passive Solar Heating; 6.16. Materials to Minimize Thermal Distortion in Precision Devices; 6.17. Materials for Heat Exchangers; 6.18. Heat Sinks for Hot Microchips; 6.19. Materials for Radomes; 6.20. Summary and Conclusions; 6.21. Further Reading; chapter 7 Multiple Constraints and Conflicting Objectives; 7.1. Introduction and Synopsis; 7.2. Selection with Multiple Constraints; 7.3. Conflicting Objectives; 7.4. Summary and Conclusions; 7.5. Further Reading; 7.6. Appendix: Weight Factors and Fuzzy Methods; chapter 8 Case Studies: Multiple Constraints and Conflicting Objectives; 8.1. Introduction and Synopsis; 8.2. Multiple Constraints: Light Pressure Vessels; 8.3. Multiple Constraints: Conrods for High-performance Engines; 8.4. Multiple Constraints: Windings for High-field Magnets; 8.5. Conflicting Objectives: Table Legs Again; 8.6. Conflicting Objectives: Wafer-thin Casings for Must-have Electronics; 8.7. Conflicting Objectives: Materials for a Disk-brake Caliper; 8.8. Summary and Conclusions; chapter 9 Selection of Material and Shape; 9.1. Introduction and Synopsis; 9.2. Shape Factors; 9.3. Limits to Shape Efficiency; 9.4. Exploring Material-shape Combinations; 9.5. Material Indices That Include Shape; 9.6. Graphical Coselecting Using Indices; 9.7. Architectured Materials: Microscopic Shape; 9.8. Summary and Conclusions; 9.9. Further Reading; chapter 10 Case Studies: Material and Shape; 10.1. Introduction and Synopsis; 10.2. Spars for Human-powered Planes; 10.3. Forks for a Racing Bicycle; 10.4. Floor Joists: Wood, Bamboo, or Steel?; 10.5. Table Legs Yet Again: Thin or Light?; 10.6. Increasing the Stiffness of Steel Sheet; 10.7. Shapes that Flex: Leaf and Strand Structures; 10.8. Ultra-efficient Springs; 10.9. Summary and Conclusions; chapter 11 Designing Hybrid Materials; 11.1. Introduction and Synopsis; 11.2. Holes in Material-property Space; 11.3. The Method: "A + B + Configuration + Scale"; 11.4. Composites; 11.5. Sandwich Structures; 11.6. Cellular Structures: Foams and Lattices; 11.7. Segmented Structures; 11.8. Summary and Conclusions; 11.9. Further Reading; chapter 12 Case Studies: Hybrids; 12.1. Introduction and Synopsis; 12.2. Designing Metal Matrix Composites; 12.3. Flexible Conductors and Percolation; 12.4. Extreme Combinations of Thermal and Electrical Conduction; 12.5. Refrigerator Walls; 12.6. Materials for Microwave-transparent Enclosures; 12.7. Connectors that Don't Relax Their Grip; 12.8. Exploiting Anisotropy: Heat-spreading Surfaces; 12.9. The Mechanical Efficiency of Natural Materials; 12.10. Further Reading: Natural Materials; chapter 13 Processes and Process Selection; 13.1. Introduction and Synopsis; 13.2. Classifying Processes; 13.3. The Processes: Shaping, Joining, Finishing; 13.4. Processing for Properties; 13.5. Systematic Process Selection; 13.6. Ranking: Process Cost; 13.7. Computer-aided Process Selection; 13.8. Summary and Conclusions; 13.9. Further Reading; chapter 14 Case Studies: Process Selection; 14.1. Introduction and Synopsis; 14.2. Casting an Aluminum Con-rod; 14.3. Forming a Fan; 14.4. Spark Plug Insulators; 14.5. A Manifold Jacket; 14.6. Joining a Steel Radiator; 14.7. Surface-hardening a Ball-bearing Race; 14.8. Summary and Conclusions; chapter 15 Materials and the Environment; 15.1. Introduction and Synopsis; 15.2. The Material Life-cycle; 15.3. Material and Energy-consuming Systems; 15.4. The Eco-attributes of Materials; 15.5. Eco-selection; 15.6. Case Studies: Drink Containers and Crash Barriers; 15.7. Summary and Conclusions; 15.8. Further Reading; chapter 16 Materials and Industrial Design; 16.1. Introduction and Synopsis; 16.2. The Requirements Pyramid; 16.3. Product Character; 16.4. Using Materials and Processes to Create Product Personality; 16.5. Summary and Conclusions; 16.6. Further Reading; chapter 17 Forces for Change; 17.1. Introduction and Synopsis; 17.2. Market Pull and Science Push; 17.3. Growing Population and Wealth and Market Saturation; 17.4. Product Liability and Service Provision; 17.5. Miniaturization and Multifunctionality; 17.6. Concern for the Environment and for the Individual; 17.7. Summary and Conclusions; 17.8. Further Reading; APPENDIX A Data for Engineering Materials; Table A.1 Names and Applications: Metals and Alloys; Polymers and Foams; and Composites, Ceramics, Glasses, and Natural Materials; Table A.2 Melting Temperature, Tm, and Glass Temperature, Tg; Table A.3 Density, ρ; Table A.4 Young's Modulus, E; Table A.5 Yield Strength, σy and Tensile Strength, σts; Table A.6 Fracture Toughness (plane strain), KIC; Table A.7 Thermal Conductivity, λ, and Thermal Expansion, α; Table A.8 Heat Capacity, Cp; Table A.9 Resistivity and Dielectric Constant; Table A.10 Embodied Energy and CO2 Footprint; Table A.11 Approximate Material Prices, Cm; Ways of Checking and Estimating Data; Further Reading; APPENDIX B Useful Solutions for Standard Problems; Introduction and Synopsis; B.1. Constitutive Equations for Mechanical Response; B.2. Moments of Sections; B.3. Elastic Bending of Beams; B.4. Failure of Beams and Panels; B.5. Buckling of Columns, Plates, and Shells; B.6. Torsion of Shafts; B.7. Static and Spinning Disks; B.8. Contact Stresses; B.9. Estimates for Stress Concentrations; B.10. Sharp Cracks; B.11. Pressure Vessels; B.12. Vibrating Beams, Tubes, and Disks; B.13. Creep and Creep Fracture; B.14. Flow of Heat and Matter; B.15. Solutions for Diffusion Equations; B.16. Further Reading; APPENDIX C Material Indices; C.1. Introduction and Synopsis; C.2. Uses of Material Indices; APPENDIX D Data Sources for Documentation; D.1. Introduction; D.2. Information Sources for Materials; D.3. Information for Manufacturing Processes; D.4. Databases and Expert Systems as Software; D.5. Additional Useful Internet Sites; APPENDIX E Exercises; E.1. Introduction to Exercises; E.2. Material Evolution in Products (Chapter 1); E.3. Devising Concepts (Chapter 2); E.4. Using Material Properties (Chapter 3); E.5. Using Material Property Charts (Chapter 4); E.6. Translation: Constraints and Objectives (Chapters 5 and 6); E.7. Deriving and; Using Material Indices (Chapters 5 and 6); E.8. Multiple Constraints and Objectives (Chapters 7 and 8); E.9. Selecting Material and Shape (Chapters 9 and 10); E.10. Hybrid Materials (Chapters 11 and 12); E.11. Selecting Processes (Chapters 13 and 14); E.12. Materials and the Environment (Chapter 15); Index N2 - Understanding materials, their properties and behavior is fundamental to engineering design, and a key application of materials science. Written for all students of engineering, this book describes the procedures for material selection in mechanical design ER -