Page 7 - 2. Lesson note - Ch-3 Concept mapping
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G] Alloys-
Alloy- Homogeneous mixture of a metal with
other metals or a non metal.
Preparation- Primary metal
(molten)+ Other metals, in the
required proportions are dissolved
and cooled slowly.
4. Amalgum-
Mercury is one of
2. Alloys of the constituents of
1. Alloys of COPPER the alloy
IRON Eg- Brass, Bronze
Eg-Steel,
Stainless steel,
Alnico.
5. Alloys of GOLD-
3. Alloys of *24 carat- pure gold
ALLUMINIUM *22 carat- 2 parts of
Eg- Duralumin, Cu/Ag
Magnelium *20 carat- 4 parts of
Cu/Ag
6. Solder-
50% Sn & 50% Pb
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