Martensite, Austenite, and Ferrite

Martensite is generally known for having ______ impact strength.

• High

• Moderate

• Low

• Variable

Which type of steel is martensite commonly used in?

• Tool steels

• Stainless steels

• Mild steels

• Alloy steels

What is the impact strength of austenite?

• Low

• Moderate to high

• High

• Variable

Due to its FCC structure, austenite typically exhibits ______ ductility.

• Low

• Moderate to high

• High

• Variable

Which microstructure is more ductile than martensite?

• A) Austenite

• B) Ferrite

• C) Both A and B

• D) Neither A nor B

Austenite is also known as ______.

• Alpha iron

• Gamma phase iron

• Delta iron

• Beta iron

The transformation from Austenite to Martensite results in ______.

• Increased ductility

• Increased hardness

• Decreased strength

• Decreased density

What is the primary characteristic of Martensite?

• High ductility

• High hardness

• High malleability

• High conductivity

Ceramics are usually seen in ______ form.

• Liquid

• Gaseous

• Crystalline

• Amorphous

Metals are known for being ______.

• Brittle

• Soft

• Malleable

• Fragile