UNIQUE SERIES AKTU Syllabus
BME063

Tribology

L-T-P3-0-0 Credits3 Session2024-25 TypeTheory
Appears in 4 semesters · 4 branches

B.Tech Mechanical Engineering · Sem 6 (Departmental Elective-III) · B.Tech Automobile Engineering · Sem 6 (Departmental Elective-III) · B.Tech Mechanical & Industrial Engineering · Sem 6 (Departmental Elective-III) · B.Tech Manufacturing Technology · Sem 6 (Departmental Elective-III)

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Syllabus

5 units · 40 lecture hours
Unit1

Unit 1

8 hrs

Lubrication and Lubricants Introduction to tribology, tribology in industry, basics modes of lubrication, oil viscosity, temperature and pressure dependence of viscosity, Viscosity index, viscosity measurement, properties of lubricants, temperature characteristics of lubricants, lubricant impurities and contaminants, mineral oils based lubricants, synthetic oils based lubricants, emulsions and aqueous lubricants, greases, and lubricant additives.

Unit2

Unit 2

8 hrs

Friction and Wear Friction‐causes of friction, theories of dry friction; adhesion theory, abrasive theory, junction growth theory, laws of rolling friction, friction measurement, friction instabilities. Wear‐ classification; abrasive wear, erosive wear, cavitation wear, adhesive wear, corrosive wear, oxidative wear, fatigue wear, factors affecting wear, measurement of wear, theories of wear, approaches to friction control and wear prevention.

Unit3

Unit 3

8 hrs

Lubrication of Bearings Theory of hydrodynamic lubrication, mechanism of pressure development in oil film, jet lubrication, mist lubrication, lubrication utilizing under race passage, concept of journal bearing, minimum oil film thickness, porous bearings, flat plate thrust bearing, tilting pad bearings, hydrostatic lubrication, squeeze film lubrication, elasto‐hydrodynamic lubrication, rolling element bearings, gas lubricated bearings, and hybrid bearings.

Unit4

Unit 4

8 hrs

Solid Lubrication and Surface Treatment Lubrication by solids, friction and wear characteristics of lamellar solids, reduction of friction by soft metallic films, deposition methods of solid lubricants, techniques for producing wear resistant coatings, characteristics of wear resistant coatings.

Unit5

Unit 5

8 hrs
  • Friction, Lubrication and Wear in Kinematic pairs The concept of friction angle, friction stability, friction in slideways, friction in screws with square threads, friction in screws with triangular threads, mechanism and operation of plate clutch, cone clutch, rim clutch, centrifugal clutch, and belt drives, tribo design aspects of labyrinth seals, analysis of line
  • contact lubrication, analysis of point contact lubrication, cam follower system, traction in the contact zone, and hysteresis losses.
Course Outcomes (COs)5 outcomes

After completion of the course student will be able to:

  1. CO1Identify and explain various frictions and wear mechanisms.K2
  2. CO2Select proper lubricants for different applications.K3
  3. CO3Select suitable lubrication methods in different bearings.K3
  4. CO4Study the surfaces coating techniques for reduction of wear.K3
  5. CO5Analyze the impact of friction in various kinematic pairs.K4

Books and References

  1. Fundamentals of Engineering Tribology with Applications by Harish Hirani, Cambridge English (2017)
  2. Applied Tribology (Bearing Design and Lubrication), by Michael M Khonsari, John Wiley & Sons (2001).
  3. Principles of Tribology, by J Halling, The Macmillan Press Ltd, London, (1975).
  4. Friction, Wear, Lubrication:A textbook in Tribology, by Ludema K C, CRC Press, (2010).
  5. Fundamentals of Machine Elements, B.J. Hamrock, B.O. Jacobson & S.R. Schmid, McGraw‐Hill Inc., (1998).
  6. Fundamentals of Mechanical Component Design, by K.S. Edwards & R.B. McKee, McGraw‐Hill Inc., (1991).
  7. Mechanical Engineering Design by J.E. Shigley and C R Mischke, Tata McGraw‐Hill Publishing Company Limited, (2003).
  8. Tribophysics, by N.P. Suh Prentice‐Hall, (1986).
  9. Friction, Wear, Lubrication: A Textbook in Tribology, by Kenneth C Ludema, LayoAjayi, CRC Press (2019).

Official AKTU syllabus

This subject is on page 43, 44 of the original AKTU PDF.

Official AKTU syllabus PDF ↗