Materials, Properties and Design

Within each class of materials selection may be based on the properties identified below. Frequently a material use requires good performance in several of these groups.

· Mechanical Properties
Elastic modulus, fracture toughness
Yield strength, tensile strength Hardness, Fatigue strength, creep strength, Thermal fatigue resistance
Density
· Non-mechanical properties
Thermal properties, Optical properties,
Electrical properties, Magnetic properties

· Surface Properties
Corrosion and oxidation, Electronic and optical
· Manufacturing Properties
Forming, joining, and finishing
Near net-shape production
· Aesthetic Properties
Appearance, texture, and feel
· Economic Properties
Price and availability

After: Ashby and Jones, "Engineering Materials," Pergamon (1980)