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Determination of stacking fault energy in FCC alloys

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What does stacking fault energy (SFE) primarily influence in face-centered cubic (FCC) alloys?

a: Electrical conductivity Explanation

Explanation

b: Mechanical properties Explanation

Explanation

c: Magnetic susceptibility Explanation

Explanation

d: Thermal conductivity Explanation

Explanation

What is a stacking fault in the context of crystalline materials?

a: A defect that introduces an extra atom in the crystal lattice Explanation

Explanation

b: A point defect that displaces an atom from its position Explanation

Explanation

c: A planar defect that disrupts the stacking sequence of atomic planes Explanation

Explanation

d: A volumetric defect that creates a void in the crystal Explanation

Explanation

Which of the following correctly describes the stacking sequence of atomic planes in an ideal FCC crystal structure?

a: ABABAB... Explanation

Explanation

b: ABCABC... Explanation

Explanation

c: AABBCC... Explanation

Explanation

d: ABCAABC... Explanation

Explanation

Which factors can influence the stacking fault energy (SFE) of an FCC alloy?

a: Crystal orientation and grain size Explanation

Explanation

b: Composition, temperature, and deformation condition Explanation

Explanation

c: Pressure, magnetic field, and crystallite size Explanation

Explanation

d: Electron density, crystal structure, and atomic weight Explanation

Explanation

What is stacking fault energy (SFE) defined as?

a: The energy required to form a point defect in the crystal Explanation

Explanation

b: The energy per unit volume associated with dislocation motion Explanation

Explanation

c: The energy per unit area associated with the formation of a stacking fault Explanation

Explanation

d: The energy required to break atomic bonds in the crystal lattice Explanation

Explanation

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