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Hydrogen is __________ for titanium sheets.

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in Aerospace Materials & Processes by (828k points)
Hydrogen is __________ for titanium sheets.

(a) beneficial

(b) required

(c) harmful

(d) provided

This question was posed to me during an online interview.

My question comes from Properties and Advantages of Titanium and it’s Alloys topic in section Titanium and its Alloys of Aerospace Materials & Processes

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Right choice is (c) harmful

For explanation I would say: Hydrogen is very harmful for titanium or titanium sheets. It is not beneficial. It contaminates titanium during processes like heating. Several precautions like oxidizing atmospheres are used.

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