Give the composition of two alloys and write two uses for each.
Answers
1. nichrome - made up of 80% nickel and 20% chromium.
used for:
- used in heating elements and coils in electrical appliances due to its high melting point.
- used in dental restorations or filllings.
2. brass -made up of around 67% copper and 33% zinc, though the amount of copper and zinc may vary.
used for:
- making musical instruments such as bells, trumpets etc.
- making bathroom fixtures, washers, doorknobs, bearings etc.
3. steel - made up of iron mixed with carbon. the amount of iron and carbon in the alloy varies for different types of steel.
used for:
- making stainless steel, which is another alloy made up of many metals mixed together in various proportions with steel.
- the construction of roads, railways, other infrastructure, appliances, and buildings.
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Alloy . An alloy is a mixture of two or more metals. Some familiar examples of alloys include brass, bronze, pewter, cast and wrought iron,steel, coin metals and solder (pronounced SOD-DER, a substantial used to join other metallic surfaces together)
Alloy Composition Uses
Babbitt Tin: 90% Used bearings
metal. Antimony: because of its
7% & Copper low measures
: 3% of friction with
steel.
Bell Copper: 77% Casting of bells
metal & Tin: 23%
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