Question

Which of the following characteristics of titanium, makes it resistant to erosion-corrosion?

(a) Stability of titanium oxide

(b) Instability of titanium oxide

(c) The low reactivity of titanium

(d) The low reactivity of titanium and instability of titanium oxide

The question was asked in an interview for internship.

My query is from Eight Forms in division Eight Forms of Corrosion of Corrosion Engineering

Answer 1

The correct answer is (a) Stability of titanium oxide

The explanation: Titanium is a reactive metal but is resistant to erosion-corrosion in many environments because of the stability of the titanium oxide (TiO2) film. It reforms its oxide layer within a fraction of seconds after wearing out.