Material Science and Metallurgy — Winter 2024

What are engineering materials, and how are they classified?

Calculate the atomic packing factor for a BCC and FCC crystal structure. How does the APF affect the density of the material?

Consider a situation where you need to select a material for a high- temperature furnace lining. Based on the properties of metals, ceramics, and composites, which material would you choose and why?

Define Macro examination & micro Examination and, State its uses in the field of Material Science.

Using the concept of solute strengthening, explain how the addition of elements like carbon in steel or aluminum in copper improves the strength and mechanical properties of the base metal.

Discuss the mechanism of crystallization, focusing on the nucleation and growth processes. What factors influence nucleation and growth in materials?

Define the Dislocation and Differentiate Edge Dislocation and Screw Dislocation.

What are Hume-Rothery rules.

In Iron carbon diagram, which phases are presents at 0.4% carbon contain steel at 6000C. and find out the % of Phases presents using lever rule.

Explain the eutectic and eutectoid reactions in detail. Discuss their differences and give examples of alloy systems where each reaction occurs.

What is Gibbs' phase rule?

Differentiate between homogeneous nucleation and heterogeneous nucleation.

Draw Iron Carbon Diagram with all notations like Phases and Reactions Nomenclature.

Define Heat Treatments. States its purpose.

Explain the Grey cast iron.

Classify the Heat Treatments Process and Explain the Normalizing Heat Treatments.1

Classify the Plain carbon Steel.

Explain the characteristics of Powder material used in Powder metallurgy.

Write full name of TTT Diagram. Draw TTT diagram for eutectoid steel with necessary notations. and Describe How Rate of Cooling is affect the Microstructure of Steel.

Define Powder metallurgy. State its Advantages and Limitation.

States the various Non Destructive methods. State the Advantages of RT over UT techniques.

Explain the various methods used to prevents the Corrosion.

Define Corrosion. Classify the corrosion.

State the various metal powder production methods. Explain any one method among them.

Define Non Destructive Testing. Explain the Dye Penetrant Testing with principle, procedure, advantages and Limitations.