
“Tribology” traces the principles, methods and debates shaping Mechanical Engineering, the work of Harikrishna Gopal. The volume is organised around Friction, Wear, and Lubrication Engineering. Each chapter builds on the last, guiding readers from fundamentals through to more advanced material. Aimed at students and researchers working in Mechanical Engineering, it is published by Khushbu Publications, Bengaluru, India under its Oxford Academic Publications imprint, and released in 2024.