Chapter 20 Materials, processes and the environment

Chapter contents

  • 20.1 Introduction and synopsis 504
  • 20.2 Material consumption and its growth 504
  • 20.3 The material life cycle and criteria for assessment 507
  • 20.4 Definitions and measurement: embodied energy, process energy and end of life potential 509
  • 20.5 Charts for embodied energy 513
  • 20.6 Design: selecting materials for eco-design 515
  • 20.7 Summary and conclusions 520
  • 20.8 Appendix: some useful quantities 521
  • 20.9 Further reading 522
  • 20.10 Exercises 522
  • 20.11 Exploring design with CES 524

The practice of engineering consumes vast quantities of materials and is dependent on a continuous supply of them. We start by surveying this consumption, emphasising the materials used in the greatest ...

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