The austenite phase visible in microscope at room temperature is

Q.

The austenite phase visible in microscope at room temperature is

A. Lower temperature austenite

B. Tempered austenite

C. Weak austenite

D. Retained austenite

Answer & Explanation

The austenite phase visible in a microscope at room temperature is called retained austenite. It is a metastable phase that remains in steel even after cooling from high temperatures.

Thus correct option is: D.

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Q.

Corrosion resistance of steel is increased by adding

A. Cr

B. Ni

C. Al

D. W

Answer & Explanation

Q.

Carban Percentage in Steel is up to?

A. 0.1

B. 0.21

C. 0.43

D. 0.67

Answer & Explanation

Q.

Pearlite is ______.

A. Diffusion transformation

B. Diffusionless transformation

C. Both

D. None

Answer & Explanation

Q.

In SAE designation of steel, last two digits indicate the ______.

A. The average percent of carbon in the steel

B. The average percentage of Ni in the steel

C. The average percentage of Fe in steel

D. The average percentage of Cr in steel.

Answer & Explanation

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The austenite phase visible in microscope at room temperature is

Q. The austenite phase visible in microscope at room temperature is

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More Questions Engineering Metallurgy:

Q. Corrosion resistance of steel is increased by adding

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Q. In SAE designation of steel, last two digits indicate the ______.

Q.

The austenite phase visible in microscope at room temperature is

Q.

Corrosion resistance of steel is increased by adding

Q.

Carban Percentage in Steel is up to?

Q.

Pearlite is ______.

Q.

In SAE designation of steel, last two digits indicate the ______.