Describe the process of compression moulding when used to manufacture aircraft components. (3 marks) --- 7 WORK AREA LINES (style=lined) ---
ENGINEERING, AE 2023 HSC 21d
Draw, label and describe the microstructure of a thermosetting polymer. (3 marks) --- 0 WORK AREA LINES (style=lined) --- → Thermosetting polymers have a three-dimensional network structure, where polymer chains are cross-linked by covalent bonds in a network of polymer chains.
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♦♦ Mean mark 36%.
ENGINEERING, PPT 2018 HSC 26d
The components of the bearing assembly used in the fidget spinner are shown.
The retainer can be made from either glass fibre-reinforced nylon or stainless steel.
Compare the in-service properties of these materials for use in the retainer. (4 marks)
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ENGINEERING, AE 2019 HSC 25b
Some materials have properties that allow them to be used in the manufacture of both modern racing yachts and aircraft. These materials include Kevlar® aramid fibre, carbon fibre epoxy composites and aluminium alloys.
Complete the table by providing a property which makes each of these materials suitable for the manufacture of both yachts and aircraft. (3 marks)
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Include one of the properties in the second column:
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Include one of the properties in the second column:
ENGINEERING, AE 2021 HSC 10 MC
The diagram illustrates a method of forming a thermosetting polymer.
Which method is illustrated?
- Extrusion
- Calendering
- Injection moulding
- Compression moulding