Tribology
Get the full GTU study material, English & Gujarati textbook PDFs, syllabus curriculum, and solved previous year question papers.
English Book & Chapters
English Book Coming Soon
We are working hard to add this material. Stay tuned for updates!
Follow on Instagram for UpdatesGTU Previous Year Papers
Papers Coming Soon
We are working hard to add this material. Stay tuned for updates!
Follow on Instagram for UpdatesTribology Syllabus — Unit-wise Content
The official GTU curriculum for Tribology (subject code 2181926) as prescribed for Mechanical Engineering · Semester 8 divides the course into 3 units, covering 39 listed topics. The unit-wise breakdown below is read from the GTU syllabus document for this subject code, so you can check what the course actually covers before deciding which papers to attempt.
Download the official syllabus PDF (2181926)Unit 1 Introduction to Tribology
- Introduction to tribology and Factors influencing Tribological phenomena
- Properties of materials relevant to friction and wear
Unit 2 Surfaces, Friction and Wear
- Engineering surfaces - Surface characterization
- Contact of engineering surfaces: Hertzian and nonhertzian contact
- Contact pressure and deformation in non-conformal contacts
- Causes of friction
- Stick-slip friction behaviour and friction instability
- sliding and rolling friction
- frictional heating and temperature rise
- Friction measurement techniques
- Wear and wear types
- Mechanisms of wear
- Wear of metals and non-metals
- Wear models - asperity contact
- constant and variable wear rate
- geometrical influence in wear models
- wear damage
- Wear in various mechanical components
- wear measurement and controlling techniques
Unit 3 Lubrication
- Lubricants and their physical properties
- types of additives
- extreme pressure lubricants
- recycling of used oils and oil conservation
- oil emulsion
- Selection of Lubricants
- Hydrodynamic lubrication: Reynolds Equation
- Infinite bearing
- short bearing Elastohydrodynamic Lubrication: Principle and application
- pressure - viscosity term in Reynold„s equation
- Hertz theory
- Ertel-Grubin Equation
- Gas lubrication: Introduction
- merits and demerits
- Lubrication in metal working: Rolling
- drawing and extrusion
- Bearing materials
- bearing constructions
- oil seals
- shields and gaskets
Study on Android App:
