Materials Characterization — Winter 2023

Discuss functions of metal screens used in rotation method of diffraction .

What is X-ray diffraction? How it is useful in material characterization?

Explain Laue method of diffraction. List advantages and limitations.

Describe the importance of Material characterization.

Classify Material characterization techniques.

Explain the principle, instrumentation, and applications of Turbomolecular pump.

What is vacuum gauge? Explain instrumentation and applications of Pirani gauge.

Discuss significance of thermal analysis.

Describe method used to calculate enthalpies of transitions from DSC curve.

Describe the microstructural study by image analysis. Give applications.

Explain resolution of Microscope using the formula.

Discuss the principle of Differential Interference Contrast (DIC) microscopy.

What is Differential scanning calorimetry? Explain principle involved. List the applications.

What is electron microscopy? How it differs from optical microscopy?

With a ray diagram explain working of TEM.

Explain principle and instrumentation of AFM. Give merits, and applications.

Give applications and limitations of Field Ion Microscope.

Explain the principle and instrumentation of Field Ion Microscope.

What is SEM? Using schematic compare SEM and TEM.

What is Spectroscopy? Write their classification.

With a block diagram explain the working of XRF system.

Discuss Electron Probe Micro Analysis (EPMA) in terms of instrumentation and working principle.

Explain the principle of UPS.

Explain how polished cast iron sample studied using Electron Spectroscopy for Chemical Analysis.

Describe Atomic Emission Spectroscopy. List advantages of AES.