M. Sc. (Physics):Liquid Crystals:Advanced Experimental TechniquesThapar University
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Physics Lab I
Fundamentals of Computer Science and C Programming
Condensed Matter Physics
Experimental Techniques in Physics
Atomic and Molecular Physics
Physics Lab II
Physics Lab III
Advanced Experimental Techniques
Introduction: Important parameters describing the materials, Need of materials characterisation, available Characterization techniques.
Light / Optical Microscopy: Optical microscope- basic principles & components, different examination modes (Bright field illumination, Oblique illumination, Dark field illumination, Phase contrast, Polarised light, Hot stage, Interference techniques), Stereomicroscopy, Photomicroscopy, Colour metallography, specimen preparation, applications
Quantitative Image Analysis: Basic measurements (Grain size, Particle morphology, Particle size & size distribution), Software for data analysis, Applications
Thermal Analysis: Thermogravimetric analysis, Differential thermal analysis, Differential scanning calorimetry, Thermomechanical analysis and dilatometry
Powder Characterisation: Important properties of powders and measurement techniques
Mechanical Testing: Introduction of important mechanical properties of materials, Tensile testing, Hardness testing, Impact testing, Fatigue testing, Creep testing, Torsion testing.
Non-Destructive Testing: Introduction, visual examination, liquid penetrant testing, Magnetic particle testing, Eddy current testing, Radiography, Ultrasonic testing, Acoustic emission testing, Thermography, Metallography
Laboratory Assignments: Determination of crystal structure and lattice parameters using X-rays diffraction technique. Study of phase diagrams using cooling curves. Determination of crystal structure and lattice parameter from electron diffractions. Study of viscoelastic transition in polymers employing ultrasonic technique. Production of coloured glasses and study of their absorption spectra. Estimation of degree of crystallinity and glass transition temperature of thermoplast. N.D.T. ultrasonic flaw detection. Thermal analysis of alloys. To study the fractured surface of metallic, ceramic and polymeric materials. To study the thermal expansion coefficient of various specimen using dilatometer.