ED 9252 TRIBOLOGY IN DESIGN SYLLABUS | ANNA UNIVERSITY ME CAD/CAM 1ST SEM SYLLABUS REGULATION 2009 2011 2012-2013 BELOW IS THE ANNA UNIVERSITY FIRST SEMESTER M.E CAD/CAM DEPARTMENT SYLLABUS, TEXTBOOKS, REFERENCE BOOKS,EXAM PORTIONS,QUESTION BANK,PREVIOUS YEAR QUESTION PAPERS,MODEL QUESTION PAPERS, CLASS NOTES, IMPORTANT 2 MARKS, 8 MARKS, 16 MARKS TOPICS. IT IS APPLICABLE FOR ALL STUDENTS ADMITTED IN THE YEAR 2011 2012-2013 (ANNA UNIVERSITY CHENNAI,TRICHY,MADURAI,TIRUNELVELI,COIMBATORE), 2009 REGULATION OF ANNA UNIVERSITY CHENNAI AND STUDENTS ADMITTED IN ANNA UNIVERSITY CHENNAI DURING 2009
ED 9252 TRIBOLOGY IN DESIGN L T P C
3 0 0 3
UNIT I SURFACE INTERACTION AND FRICTION 7
Topography of Surfaces – Surface features-Properties and measurement – Surface
interaction – Adhesive Theory of Sliding Friction –Rolling Friction-Friction properties of
metallic and non-metallic materials – friction in extreme conditions –Thermal
considerations in sliding contact
UNIT II WEAR AND SURFACE TREATMENT 8
Types of wear – Mechanism of various types of wear – Laws of wear –Theoretical wear
models-Wear of Metals and Non metals – Surface treatments – Surface modifications –
surface coatings methods- Surface Topography measurements –Laser methods –
instrumentation - International standards in friction and wear measurements
UNIT III LUBRICANTS AND LUBRICATION REGIMES 8
Lubricants and their physical properties- Viscosity and other properties of oils –Additivesand
selection of Lubricants- Lubricants standards ISO,SAE,AGMA, BIS standards –
Lubrication Regimes –Solid Lubrication-Dry and marginally lubricated contacts- Boundary
Lubrication- Hydrodynamic lubrication –– Elasto and plasto hydrodynamic - Magneto
hydrodynamic lubrication – Hydro static lubrication – Gas lubrication.
UNIT IV THEORY OF HYDRODYNAMIC AND HYDROSTATIC LUBRICATION 12
Reynolds Equation,-Assumptions and limitations-One and two dimensional Reynolds
Equation-Reynolds and Sommerfeld boundary conditions- Pressure wave, flow, load
capacity and friction calculations in Hydrodynamic bearings-Long and short bearings-Pad
bearings and Journal bearings-Squeeze film effects-Thermal considerations-Hydrostatic
lubrication of Pad bearing- Pressure , flow , load and friction calculations-Stiffness
considerations- Various types of flow restrictors in hydrostatic bearings
UNIT V HIGH PRESSURE CONTACTS AND ELASTO HYDRODYNAMIC
LUBRICATION 10
Rolling contacts of Elastic solids- contact stresses – Hertzian stress equation- Spherical
and cylindrical contacts-Contact Fatigue life- Oil film effects- Elasto Hydrodynamic
lubrication Theory-Soft and hard EHL-Reynolds equation for elasto hydrodynamic
lubrication- - Film shape within and outside contact zones-Film thickness and friction
calculation- Rolling bearings- Stresses and deflections-Traction drives.
9
TOTAL: 45 PERIODS
REFERENCES:
1. Rabinowicz.E, “Friction and Wear of materials”, John Willey &Sons ,UK,1995
2. Cameron, A. “Basic Lubrication Theory”, Ellis Herward Ltd., UK, 1981
3. Halling, J. (Editor) – “Principles of Tribology “, Macmillian – 1984.
4. Williams J.A. “ Engineering Tribology”, Oxford Univ. Press, 1994.
5. S.K.Basu, S.N.Sengupta & B.B.Ahuja ,”Fundamentals of Tribology”, Prentice – Hall of
India Pvt Ltd , New Delhi, 2005
6. G.W.Stachowiak & A.W .Batchelor, Engineering Tribology, Butterworth-Heinemann,
UK, 2005.
ED 9252 TRIBOLOGY IN DESIGN L T P C
3 0 0 3
UNIT I SURFACE INTERACTION AND FRICTION 7
Topography of Surfaces – Surface features-Properties and measurement – Surface
interaction – Adhesive Theory of Sliding Friction –Rolling Friction-Friction properties of
metallic and non-metallic materials – friction in extreme conditions –Thermal
considerations in sliding contact
UNIT II WEAR AND SURFACE TREATMENT 8
Types of wear – Mechanism of various types of wear – Laws of wear –Theoretical wear
models-Wear of Metals and Non metals – Surface treatments – Surface modifications –
surface coatings methods- Surface Topography measurements –Laser methods –
instrumentation - International standards in friction and wear measurements
UNIT III LUBRICANTS AND LUBRICATION REGIMES 8
Lubricants and their physical properties- Viscosity and other properties of oils –Additivesand
selection of Lubricants- Lubricants standards ISO,SAE,AGMA, BIS standards –
Lubrication Regimes –Solid Lubrication-Dry and marginally lubricated contacts- Boundary
Lubrication- Hydrodynamic lubrication –– Elasto and plasto hydrodynamic - Magneto
hydrodynamic lubrication – Hydro static lubrication – Gas lubrication.
UNIT IV THEORY OF HYDRODYNAMIC AND HYDROSTATIC LUBRICATION 12
Reynolds Equation,-Assumptions and limitations-One and two dimensional Reynolds
Equation-Reynolds and Sommerfeld boundary conditions- Pressure wave, flow, load
capacity and friction calculations in Hydrodynamic bearings-Long and short bearings-Pad
bearings and Journal bearings-Squeeze film effects-Thermal considerations-Hydrostatic
lubrication of Pad bearing- Pressure , flow , load and friction calculations-Stiffness
considerations- Various types of flow restrictors in hydrostatic bearings
UNIT V HIGH PRESSURE CONTACTS AND ELASTO HYDRODYNAMIC
LUBRICATION 10
Rolling contacts of Elastic solids- contact stresses – Hertzian stress equation- Spherical
and cylindrical contacts-Contact Fatigue life- Oil film effects- Elasto Hydrodynamic
lubrication Theory-Soft and hard EHL-Reynolds equation for elasto hydrodynamic
lubrication- - Film shape within and outside contact zones-Film thickness and friction
calculation- Rolling bearings- Stresses and deflections-Traction drives.
9
TOTAL: 45 PERIODS
REFERENCES:
1. Rabinowicz.E, “Friction and Wear of materials”, John Willey &Sons ,UK,1995
2. Cameron, A. “Basic Lubrication Theory”, Ellis Herward Ltd., UK, 1981
3. Halling, J. (Editor) – “Principles of Tribology “, Macmillian – 1984.
4. Williams J.A. “ Engineering Tribology”, Oxford Univ. Press, 1994.
5. S.K.Basu, S.N.Sengupta & B.B.Ahuja ,”Fundamentals of Tribology”, Prentice – Hall of
India Pvt Ltd , New Delhi, 2005
6. G.W.Stachowiak & A.W .Batchelor, Engineering Tribology, Butterworth-Heinemann,
UK, 2005.
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