DT revision notes

Familiar with different properties of different materials:

Ferrous and no-ferrous

Softwoods and hardwoods

Thermoplastics and thermosetting plastics

Advantages and disadvantages of materials

Moulding:

Advantages

 (metals, plastics, food, ceramics, metal matrix composites):

·         Form any shape

·         Little or no waste- Clean technology

·         Suitable for batch and volume

·         No finishing required

Disadvantages:

·         Moulding in done in one form- no characteristics of assembly or disassembly

·         High initial capital cost

·         Casting:

·         Advantages:

Casting

(Metals, plastics, food, ceramics, some composites)

Advantages

·         Joint…