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In mechanization of foundry processes, zinc based alloys have less application due to their low structural stability.

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in Casting-Forming-Welding I by (687k points)
In mechanization of foundry processes, zinc based alloys have less application due to their low structural stability.

(a) True

(b) False

I have been asked this question during an interview.

The doubt is from Mechanization topic in portion Foundry Mechanizations of Casting-Forming-Welding I

1 Answer

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Best answer
Right option is (a) True

The explanation is: Zinc based foundry alloys with aluminium content have high strength and good tribiological properties, but due to their low structural stability over a long time that restricts their wider application in modern areas in the mechanization of foundry processes. This also reduces ductility due to the formation of dendritic structure.

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