RAJALAKSHMI INSTITUTE OF TECHNOLOGY

Kuthambakkam, Chennai-602107

LESSON PLAN

Faculty Name :

Subject Name : ENGINEERING MATERIALS AND METALLURGY Code: ME 2253

Year : II Semester: IV

Degree & Branch : B.E. – Mechanical Engineering

Objective:

To impart knowledge on the structure, properties, treatment, testing and applications ofmetals and non-metallic materials so as to identify and select suitable materials forvarious engineering applications.

Crystal structure – BCC, FCC and HCP structure – unit cell – crystallographic planesand directions, miller indices – crystal imperfections, point, line, planar and volumedefects – Grain size, ASTM grain size number.

Text Book(s):

1. Kenneth G.Budinski and Michael K.Budinski “Engineering Materials” Prentice-Hall ofIndia Private Limited, 4th Indian Reprint 2002.

Reference Book(s):

1. William D Callister “Material Science and Engineering”, John Wiley and Sons 2007.2. Raghavan.V “Materials Science and Engineering”, Prentice Hall of India Pvt., Ltd.,2007.3. Sydney H.Avner “Introduction to Physical Metallurgy” McGraw Hill Book Company,2007.4. Dieter G. E., Mechanical Metallurgy, Mc Graw Hill Book Company, 1988.5. O.P. Khanna , A text book of Materials Science and Metallurgy, Khanna Publishers,2003.6. Vijaya. M.S. and G. Rangarajan, Material Science, Tata McGraw-Hill , 2007

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No.

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UNIT I CONSTITUTION OF ALLOYS AND PHASE DIAGRAMS

1 1-2 I Constitution of alloys – Solid solutions, substitution and interstitial

R 4

2 3 I phase diagrams,Isomorphous, eutectoid, eutectic

R 4

3 4 I peritectic, and peritectroid reactions, R 4

4 5-6 I Iron – IronCarbide equilibrium diagram.

R 4

5 7-9 IClassification of steel and cast Iron, microstructure,Properties-applications.

R 4

UNIT-II HEAT TREATMENT

7 1-2 II Definition – Full annealing, stress relief, recrystallisation

R 2,3

8 3-4 II spheroidizing –normalizing,Hardening and tempering of steel.

R 2,3

9 5 II Isothermal transformation diagrams – cooling curves superimposed on I.T. diagram,

R 2,3

10 6-7 II CCR - Hardenability, Jominy end quench test R 2,3

11 8 II Austempering, martempering – case hardening - carburising,

R 2,3

12 9 II nitriding, cyaniding,carbonitriding, flame and induction hardening

R 1

UNIT V MECHANICAL PROPERTIES AND TESTING

14 1-2 IIIMechanism of plastic deformation, slip

and twinningR 3,4

15 3-4 IIITypes of fracture – Testing ofmaterials under tension, compression and shear loads

R 3,4

16 5-7 III Hardness tests (Brinell, Vickersand Rockwell), Impact test - Izod and Charpy,

R 3,4

17 8 III Fatigue and creep tests R 3,4

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UNIT III FERROUS AND NON FERROUS METALS

19 1-2 III Effect of alloying additions on steel (Mn, Si, Cr, Mo, V, Ti & W) –α,β stabiliser

T 1

20 3-4 III stainless and tool steels HSLA - maraging steels

T 1

21 5-6 III Cast Irons - Grey, White malleable, spheroidal – Alloy cast irons

T 1

22 7 IIICopper and Copper alloys - Brass, Bronze and

CupronickelT 1

23 8 III Aluminum and Al-Cu alloy ,precipitation strengthening treatment– Bearing alloys

T 1

24 9 III Mg alloys , Ni-based super alloys & Titanium alloys

R 4

UNIT IV NON-METALLIC MATERIALS

26 1 IV Polymers – types of polymer, commodity and engineering polymers

R 5

27 2 IVProperties and applications of various thermosettig & thermoplastics PE, PP, PS, PVC

R 5

28 3-4 IV

Properties and applications of various thermosettig & thermoplastics PMMA, PET, PC, PA, ABS

R 5

29 5 IV Properties and applications of PI, PAI, PPO, PPS, PEEK, PTFE Polymers

R 5

30 6-7 IV Urea and Phenol Formaldehydes – Engineering Ceramics

R 5

31 8 IV Proprties & applicatios of Al2O3 , SiC , Si3 , b , PSZ & Sialon

R 5

32 9 IV Composites-Classifications-metal matrix & FRP-Applications of composites.

T 1

STAFF HOD

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