Syllabus

Introduction – Basics of a vacuum system and vacuum technology- Classification of vacuum and their applications - Vacuum metallurgy - Melting, Refining, and Casting for steels and other metals and alloys – Vacuum sintering of powder compacts - advanced sintering methods - HIP (hot isostatic pressing), SPS (Spark Plasma Sintering), PPS (Pulse Plasma Sintering) and Hot Pressing, Heat treatment in vacuum - Vacuum hardening and tempering - Vacuum Case hardening-Carburizing /Nitriding - Joining of materials in vacuum – Vacuum brazing of similar or dissimilar materials - SS-Al, SS-Cu, SS-Kovar, SS-Al2O3 Welding in Vacuum- Diffusion bonding – Ag-Cu, Ag-Cu-Ti Different grade of brazing filler metals and alloys – their applications – Vacuum technology for advanced characterization equipments (SEM/TEM/AFM) and some practical case studies.

To understand the principles and applications of vacuum technology

To get acquainted with different vacuum pumps and gauges in detail

To compare and contrast various metallurgical processes such as sintering, melting, heat treatment, welding, brazing, and soldering in materials.

To understand various research and applications in recent scenarios

1. The course integrates the principles and practices of a basic understanding of vacuum and wide applications of vacuum technology in materials engineering.
2. Basic knowledge of the functioning of different vacuum pumps and gauges.
3. The importance of vacuum technology in different types of metallurgical processes such as sintering, melting, heat treatment, and joining in materials.
4. Types of different welding techniques in vacuum are well demonstrated.
5. The importance of advanced welding techniques in a vacuum is elucidated.
6. A comparison of different brazing techniques is presented.

Bigelow WC, Vacuum Methods in Electron Microscopy, Portland Press, London. (1994)

Hinkle LD, in Handbook of Vacuum Science and Technology, Hoffmann DM, Singh B and Thomas JH, Ed.,, Academic Press, San Diego, CA. (1988)

Dayton BB, in Foundation of Vacuum Science and Technology, J Lafferty, Ed.,, John Wiley & Sons, New York (1988)

6. V. V. Rao, T. B. Ghosh and K. L. Chopra,, Vacuum Science & technology, Allied Publishers, New Delhi, India. (2005)