Work hardening and annealing
Metal Technology · Grade 10 · about 40 minutes
Why hammered sheet becomes hard and springy, how to recognise it, and how to soften each metal again.
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- 6 sections of explanation, worked examples and diagrams
- 1 practice task with hints and worked answers
- A quiz that marks itself as you go
- Your progress kept across every subject you take
Other lessons in this sub-strand
- Shaping sheet without cutting it
- Stretching and shrinking
- Why raw edges must be treated
- Forming a safe edge
- Forming a wired edge
- Beading and swaging
- Hollowing
- Sinking
- Raising
- Planishing
- Stakes and formers
- Hammers and mallets for sheet work
- Work hardening and annealing
- Choosing the process for a shape
- A shaping task: making a scoop