Engineering Materials 1; Contents; General introduction; Chapter 1 Engineering materials and their properties; 1.1 Introduction; 1.2 Examples of materials selection; Part A Price and availability; Chapter 2 The price and availability of materials; 2.1 Introduction; 2.2 Data for material prices; 2.3 The use-pattern of materials; 2.4 Ubiquitous materials; 2.5 Exponential growth and consumption doubling-time; 2.6 Resource availability; 2.7 The future; 2.8 Conclusion; Part B The elastic moduli; Chapter 3 The elastic moduli; 3.1 Introduction; 3.2 Definition of stress; 3.3 Definition of strain