1. ASM International (http://www.asminternational.org/online-databases-journals) ASM offers an extensive library of micrographs, phase diagrams, crystallographic structures, and failure case studies.

2. CES EduPack (http://www.grantadesign.com/education/). A comprehensive suite of databases for materials and processes with editions for general engineering, aerospace, polymers engineering, materials science, environmental design and industrial design. It includes powerful search, selection and eco-auditing tools. (The property charts in this book were made with this software).

3. DoITPoMS (https://www.doitpoms.ac.uk/) A free teaching resource created by the Materials Science Department of Cambridge University.

4. F*A*C*T (http://www.crct.polymtl.ca/fact/) Thermodynamic data for engineering alloys and compounds.

5. Matbase (www.matbase.com). A database of the technical properties of materials, originally from the Technical University of Denmark.

6. Matdata (www.matdata.com). A well-documented database of the properties of metals.

7. Materia (www.materia.nl). A database aimed at industrial design, with images of some 2000 products.

8. Material Connexion (www.materialconnexion.com). A materials library emphasising industrial design with records for some 7000 materials, each with an image, a description and a supplier.

9. MatWeb (www.matweb.com). A large database of the engineering properties of materials, drawn from suppliers’ data sheets.