Module 4: Biomedical Engineering - Forming Methods

The process involving the pouring of a molten metal into a mould to form a specific shape

• casting

• cutting

• extrusion

• forging

The process involving the construction of a product by assembling several other parts.

• casting

• extrusion

• forging

• joining

The process involving the separation or opening of materials, into two or more portions, through the application of an acutely directed force

• casting

• cutting

• forging

• joining

The process involving the shaping metal using localised compressive forces.

• casting

• cutting

• forging

• joining

Complete the sentence:

If heat is extracted quickly a _____ grain structure results whereas slowly cooled metals have a much _____ grain structure.

• small / big

• larger / finer

• finer / larger

• big / small

What type of grain growth is shown in the image?

• chill grains

• columnar grains

• directional grains

• equi-axed grains

Complete the sentence:

In order to strengthen the cast sample, it would be best if the central core of the sample is able to cool at a _____, _____ rate thus allowing _____ grains to grow.

• faster / even / chill

• slower / even / equi-axed

• slower / even / chill

• faster / even / equi-axed

The products shown in the image are an example of which type of casting?

• shell

• sand

• investment

• centrifugal

The process involving a metal being deformed or worked at a temperature that is above its recrystallisation temperature.

• cold-worked

• hot-worked

• wrought

• welding

When a piece of metal is cold-worked the metallic grains will be transformed from _____ to _____ grains by being compressed, when rolled

• equi-axed / elongated

• equi-axed / shortened

• non equi-axed / elongated

• non equi-axed / shortened