SYLLABUS SIXTH SEMESTER/KURUKSHETRA UNIVERSITY - TRIBOLOGY

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SYLLABUS SIXTH SEMESTER - TRIBOLOGY
KURUKSHETRA UNIVERSITY

B. Tech (Sixth semester) Mechanical engineering
ME 304 E TRIBOLOGY
 Total Theory: 100marks         Sessional: 50 marks    Duration of Exam: 03 hours

UNIT I
Introduction to tribological systems and their characteristic features; analysis and assessment of surface; topography; deterministic and stochastic tribo-models for asperity contacts; techniques of surface examination; technological properties of surfaces.
Quantitative laws of sliding friction, causes of friction, adhesion theory, laws of rolling friction, measurement of friction

UNIT II
Introduction, mechanism of wear, types of wear, quantitative laws of wear, measurement of wear, wears resistance materials

UNIT III
Introduction, dry friction, boundary lubrication, hydrodynamic, hydrostatic and elasto-hydrodynamic lubrication, functions of lubricants, types and properties, lubricant additives. Principles, application to rolling contact bearings, cams, Gears

UNIT IV
Geometry and pressure equation of journal bearing, hydrostatic bearings, thrust bearings, porous bearings and hydrodynamic gas bearings. Journal bearings with specialized applications. General requirements and different types of bearing materials.

Suggested Reading:
·         Tribology in Industry- By Sushil Kumar Srivastava
·         Introduction to Tribology of Bearings- By B.C. Majumdar ; A.H.Wheeler
·         Principles of Tribology – By J. Halling, Macmillan
·         Mechanics and Chemistry in Lubrication- By Dorinson and Ludema , Elsevier
·         Friction and wear of Materials- By E. Robinowicz, Johan Wiley
·         Principles of Lubrication-By A. Cameron, Longmans

NOTE: In the semester examination, the examiner will set 8 questions in all, at least two question from each unit, and students will be required to attempt only 5 questions, at least one from each unit.

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