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Melting and casting of titanium are very difficult due to its high chemical reactivity with mould materials.

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in Casting-Forming-Welding II by (119k points)
Melting and casting of titanium are very difficult due to its high chemical reactivity with mould materials.

(a) True

(b) False

This question was addressed to me in an internship interview.

Question is from Melting of Titanium Alloys topic in portion Foundry Introduction & Materials of Casting-Forming-Welding II

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Correct option is (a) True

For explanation I would say: Many problems arise in process of melting and casting of titanium due to its great chemical reactivity with mould material and its great affinity for surrounding gases. To avoid such problems, graphite or investment moulding is preferred which are also difficult but possible to produce equipment in aero engine and biomedical applications.

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