PH3257 - PHYSICS FOR TEXTILE TECHNOLOGISTS (Syllabus) 2021-regulation Anna University

PH3257 - PHYSICS FOR TEXTILE TECHNOLOGISTS (Syllabus) 2021-regulation Anna University

PH3257

PHYSICS FOR TEXTILE TECHNOLOGISTS

 LPTC

3003

COURSE OBJECTIVES:
• To make the students effectively to understand the basics of crystallography and crystal imperfections.
• To enable the students to get knowledge on ferrous and nonferrous alloys.
• To impart knowledge on the basics of ceramics, composites and nanomaterials.
• To learn about mechanical properties of materials.
• To introduce the concept of light - matter interactions and electro-optical effects.

UNIT I

CRYSTALLOGRAPHY

9

Crystal structures: Crystal lattice – basis - unit cell and lattice parameters – crystal systems and Bravais lattices – Structure and packing fractions of SC, BCC, FCC, diamond cubic, NaCl, ZnS structures – crystal planes, directions and Miller indices – distance between successive planes – linear and planar densities – crystalline and noncrystalline materials –Example use of Miller indices: wafer surface orientation – wafer flats and notches – pattern alignment - imperfections in crystals.

UNIT II

FERROUS AND NONFERROUS ALLOYS

9

The Fe-Fe3C phase diagram: phases, invariant reactions,development of microstructure in eutectoid, hypoeutectoid and hypereutectoid alloys–influence of other alloying elements in the Fe- C system - phase transformations –isothermal transformation diagram for eutectoid iron-carbon alloy – microstructures: pearlite, bainite, spheroidite and martensite – steels, stainless steels and cast irons – copper alloys – aluminum alloys – titanium alloys.


UNIT III

CERAMICS, COMPOSITES AND NANO MATERIALS

9

Ceramics – types and applications-refractories, abrasives and cements – Composites: classification, role of matrix and reinforcement -Fiber reinforced composites – carbon-carbon composites –Nanomaterials: types, physical, chemical and mechanical properties - carbon nanotubes: properties and applications - synthesis of nanomaterials: sonochemical, molecular epitaxy, physical vapor deposition (PVD) and chemical vapor deposition (CVD). Characterization: Transmission electron microscopy - scanning electron microscopy - Atomic force microscopy - X- ray powder diffraction - Nanoparticle size calculation.

UNIT IV

MECHANICAL PROPERTIES

9

Tensile test - plastic deformation by slip – sli systems – mechanisms of strengthening in metals: strain hardening, grain size reduction, solid solution strengthening, precipitation hardening – Creep: creep curves,stress and temperature effects, mechanisms of creep, creep-resistant materials – Fracture: ductile and brittle fractures - the Griffith criterion –fracture toughness - Fatigue failure:the S-N curve – factors that affect fatigue life – Hardness: Rockwell and Brinell hardness tests, Knoop and Vickers microhardness tests.

UNIT V

OPTICAL PROPERTIES OF MATERIALS

9

Light waves in a homogeneous medium - refractive index - dispersion: refractive index-wave- length behaviour - group velocity an group ndex – NLO materials – phase matching - SHG, sum frequency generation, parametr oscill ns fference freq generation (qualitative)- applications- - complex refractive index and light absorption - Luminescence, phosphors and white LEDs - polarization - optical an : uniax al y als, efringen , dichroism - electro-optic effect and amplitude modulators

TOTAL : 45 PERIODS

COURSE OUTCOMES: Upon completion of this course, the students should be able to
CO1 : Understand the basics of crystallography and its importance in materials properties
CO2 : Understand the basics of crystallography and crystal imperfections.
CO3 : Get knowledge on ferrous and nonferrous alloys.
CO4 : Acquire knowledge on the basics of ceramics, composites and nano-materials
CO5 : Learn about the concept of light - matter interactions and electro-optical effects.

TEXT BOOKS:
1. R.Balasubramaniam, Callister’s Materials Science and Engineering.Wiley (Indian Edition), 2014.
2. V.Raghavan. Materials Science and Engineering: A First Course, Prentice Hall India Learning Private Limited, 2015.
3. Safa O. Kasap, Optoelectronics and Photonics, Dorling Kindersley India, 2009

REFERENCES:
1. J.F.Shackelford. Introduction to Materials Science for Engineers. Pearson, 2015.
2. Wendelin Wright and Donald Askeland, Essentials of Materials Science and Engineering, CL Engineering, 2013.
3. William Smith and Javad Hashemi, Foundations of Materials Science and Engineering, Mc Graw-Hill Education, 2018.
4. Rajesh Mishra and Jiri Militky, Nanotechnology in Textiles: Theory and Application, Elsevier, 2018.
5. Mark Fox, Optical Properties of Solids, Oxford Univ. Press, 2012.

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