Answer / Tanuj Trivedi

In solution annealing, a controlled-atmosphere furnace is typically used to ensure that the metal being annealed does not oxidize. This type of furnace can be operated under vacuum or with an inert gas like argon or nitrogen. The temperature and time of exposure in the furnace are carefully regulated to dissolve precipitates (solutes) back into the base metal, promoting grain growth and increasing the material's ductility.

why magnetite iron ore is not taken into the blast furnace?

2 Answers  

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what happens when hot liquid falls on water and why?

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