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How is the corrosion resistance of high alumina when compared against fireclay?

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in Engineering Material & Metallurgy by (773k points)
How is the corrosion resistance of high alumina when compared against fireclay?

(a) Higher

(b) Equal

(c) Lower

(d) No resistance

This question was posed to me by my college director while I was bunking the class.

This question is from Refractory Materials, Superalloys in division Refractories & Dielectric Materials of Engineering Material & Metallurgy

1 Answer

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Best answer
Right answer is (a) Higher

To elaborate: High alumina is available with 50-90% alumina. It has great mechanical strength at higher temperatures and good resistance to spalling. It possesses greater resistance to corrosion against fireclay bricks.

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