Design Technology · A3 Product

DTA3.1 — Material classification and properties

Design Technology · SL / HL · syllabus-mapped notes

1. DTA3.1.1

   Classification by property

   Materials are classified based on their physical, chemical and mechanical properties.

2. DTA3.1.2

   Classification by source

   Materials are classified according to their source or origin.

3. DTA3.1.3

   Choosing a material

   Identifying the most suitable material for a product is a complex and challenging task, involving the consideration of physical, chemical and mechanical properties and aesthetic characteristics.

4. DTA3.1.4

   Physical properties

   Physical properties include aspects of a material that can be measured and observed without it changing in any way.

5. DTA3.1.5

   Chemical properties

   Chemical properties include aspects of a material that lead to it chemically reacting with another.

6. DTA3.1.6

   Mechanical properties

   Mechanical properties include aspects of a material affected by the application of a force.

7. DTA3.1.7

   Composites

   Composites consist of two or more materials combined to enhance their properties.

8. DTA3.1.8

   Smart materials

   Smart materials are materials that have one or more properties that can be significantly changed in response to changes in their environment.

9. DTA3.1.9

   Biodegradable materials

   Biodegradable materials break down in the environment after disposal or at the end of their useful life.