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The fluxes used in the casting process must have low vapour pressure.

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in Casting-Forming-Welding II by (119k points)
The fluxes used in the casting process must have low vapour pressure.

(a) True

(b) False

This question was posed to me in quiz.

My question is from Foundry Fluxes and Refractories in chapter Foundry Introduction & Materials of Casting-Forming-Welding II

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The correct option is (a) True

To explain I would say: If the flux has high vapour pressure then it will not be easy to control it as vapourization will takes place which will have no any affect on the casting material. So it is always suggested to have low vapour pressure of fluxes that will easily mix with the material and will give excellent results in order to prevent oxidation.

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