PH3253 - MATERIALS SCIENCE FOR TECHNOLOGISTS (Syllabus) 2021-regulation Anna University

PH3253 - MATERIALS SCIENCE FOR TECHNOLOGISTS (Syllabus) 2021-regulation Anna University

PH3253	MATERIALS SCIENCE FOR 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 various strengthening methods of materials, and also various mechanical properties and the r measurement.
• To impart knowledge on the ba ph d their appl cations.
• To learn about iron-carbon system, and about various ferrous and non-ferrous alloys.
• To introduce the preparation, properties and applications of ceramics, composites and nanomaterials.

UNIT I	CRYSTALLOGRAPHY	9

Crystallographic directions and planes – metallic crystal structures: BCC, FCC and HCP – linear and planar densities – crystal imperfections- edge and screw dislocations, Burgers vector and elastic strain energy- surface imperfections – grain and twin boundaries – Polymorphism – phase changes – nucleation and growth – homogeneous and heterogeneous nucleation.

UNIT II	MECHANICAL PROPERTIES	9

Tensile test - plastic deformation by slip – slip 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 III	PHASE DIAGRAMS	9

Basic concepts - Gibbs phase rule –Unary phase diagram (iron) - Binary phase diagrams: isomorphous systems (Cu-Ni) –determination of phase composition and phase amounts – tieline and lever rule - binary eutectic diagram with no solid solution and limited solid solution (Pb-Sn) – eutectoid and peritectic reactions - other invariant reactions – microstructural development during the slow cooling: eutectic, hypereutectic and hypoeutectic compositions.

UNIT IV	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 V	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.

TOTAL : 45 PERIODS

COURSE OUTCOMES:

CO1 : Upon completion of this course, the students should be able to
CO2 : Understand the basics of crystallography and its importance in materials properties
CO3 : Understand the significance of dislocations, strengthening mechanisms, and tensile, creep, hardness and fracture behavior of materials
CO4 : Gain knowledge on binary phase diagrams, and also will be able to determine the phase composition and phase amount.
CO5 : Understand about the Fe-C system and various m crostructures in it, and also about various ferrous and non-ferrous alloys.
CO6 : Get adequate understanding on the p eparation, p ies and applications of ceramics, composites and nanomaterials.

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. William F. Smith, Javad Hashemi andRavi Prakash, Materials Science and Engineering, McGraw Hill Education (Indian Edition), 2017.

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. J.C. Anderson, K.D. Leaver, P. Leevers and R.D. Rawlings, Materials Science for Engineers, CRC Press, 2003.
4. Jean P.Mercier, G.Zambelli and W.Kurz, Introduction to Materials Science, Elsevier, 2002.
5. YaserDahman, Nanotechnology and Functional Materials for Engineers, Elsevier, 2017.