Answer to Question #74553 in Inorganic Chemistry for srikant behera

Question #74553
Give the names of any two alloys of aluminium which have some amount of copper or magnesium. How are these more advantageous than pure aluminium?
1
Expert's answer
2018-03-14T08:48:29-0400
1 Duralumin is 95% aluminium, 4% copper, 0.5% magnesium, and 0.5% manganese - has increased strength and hardness compared to pure aluminum
2 Silumin.Aluminium-silicon alloys contain 3 to 25% silicon content, insignificant amount of impurities of Fe, Cu, Mn, Ca, Ti, Zn, and some others.
Al-Si alloys (silumins) have the best foundry properties.

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Assignment Expert
16.03.18, 13:50

Dear visitor, please use panel for submitting new questions

Sunita rawat
16.03.18, 11:47

Why boric acid is a very weak monobasic acid (pH = 9.25)? Explain with suitable

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