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Keywords : Alloy, mixture, shape memory alloy

Everyday use of alloys. Prior Learning: Properties of iron and steels. Keywords : Alloy, mixture, shape memory alloy. Learning Objectives: By the end of the lesson I can: . Alloys are more useful than pure metals.

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Keywords : Alloy, mixture, shape memory alloy

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  1. Everyday use of alloys Prior Learning: Properties of iron and steels Keywords: Alloy, mixture, shape memory alloy

  2. Learning Objectives: By the end of the lesson I can: • Alloys are more useful than pure metals. • Many metals in everyday use are alloys. Pure copper, gold and aluminium are too soft for many uses and so are mixed with small amounts of similar metals to make them harder for everyday use. • Smart alloys are memory shape alloys. • • Smart alloys can return to their original shape after being deformed. • • Evaluate the benefits, drawbacks and risks of using metals as structural materials and as smart materials.

  3. SMART DEMONSTRATION WHAT IS HAPPENING?

  4. Pick your dodgeball team Iron Copper TEAM: METAL TEAM: ALLOY Brass Silver Bronze Tin Zinc Gold Aluminium SMA Copper

  5. You have 15mins to produce an A5 set of notes & a question that checks for understanding. You will need to include; Definition of an alloy An example of the alloy Properties of the alloy Uses of the alloy You will be asked to TEACHabout your alloy to 2 others so that you all gain an understanding of the 3 types of alloys. Copper & its alloys (p44) Gold, Aluminium & their alloys (p45) SMAs (p45) Research & Presentation

  6. Learning Objectives: By the end of the lesson I can: • Alloys are more useful than pure metals. • Many metals in everyday use are alloys. Pure copper, gold and aluminium are too soft for many uses and so are mixed with small amounts of similar metals to make them harder for everyday use. • Smart alloys are memory shape alloys. • • Smart alloys can return to their original shape after being deformed. • • Evaluate the benefits, drawbacks and risks of using metals as structural materials and as smart materials.

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