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In magnesium alloys, what is the maximum amount of allowed aluminum?

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in Casting-Forming-Welding II by (119k points)
In magnesium alloys, what is the maximum amount of allowed aluminum?

(a) 11%

(b) 13%

(c) 19%

(d) 24%

I had been asked this question during an internship interview.

This intriguing question originated from Magnesium Alloys topic in section Foundry Introduction & Materials of Casting-Forming-Welding II

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The correct answer is (a) 11%

Best explanation: Magnesium alloys are basically a composition of various metals mixed with magnesium to improve its physical, chemical, mechanical and thermal properties. In this, the maximum allowable aluminum that can be added is only 11%.

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