Prerequisite
No pre-requisite, but basic knowledge of materials would be helpful.
Course Contents
INTRODUCTION
- Introduction, Historical perspective, Advantages and applications
POWDER PRODUCTION METHODS
- Metal powders: mechanical process/ mechanical alloying, atomisation process, chemical process, electrochemical process
- Ceramic powders: oxide and non-oxide ceramic powders, whiskers
POWDER CHARACTERISTICS AND PROPERTIES
- Particle shapes and size, particle size classification methods, surface analysis, powder flowability, apparent and tap density
POWDER COMPACTION AND SHAPING
- Cold compaction methods, hot compaction methods, isostatic pressing methods, powder injection moulding, roll compaction, extrusion, spray forming, pressureless shaping, etc.
SINTERING FUNDAMENTALS
- Definition, driving forces, stages of sintering, multi-component sintering, sintering aids/ additives, liquid phase sintering, sintering kinetics
SINTERING TECHNIQUES
- Pressureless sintering, pressure-assisted sintering (hot press, HIP, SPS, microwave), sintering equipment, sintering atmospheres
- Sintering of different metals and ceramics powders
- Post-sintering operations
PM-ADDITIVE MANUFACTURING
- Powders for AM: powder characteristics and product quality
- Powder based AM processes of metals and ceramics: powder bed fusion, SLM, DED, etc.
POWDER METALLURGY OF NANO POWDERS
- Nano powders, issue associated with nano powders, handling and processing, Sintering kinetics and processes
APPLICATIONS
- Electrical contact materials, hard metals and cemented carbides, magnetic materials, porous materials, friction materials, etc.
What you'll learn
Learn the basics of powder metallurgy, powder production methods, sintering techniques, additive manufacturing and analysing sintering data.
About the Instructor
Prof. Bharat Panigrahi, is a professor in the Department of Materials Science and Metallurgical Engineering. He has extensive experience of more than 25 years in the field of PM. He core-expertise are in powder metallurgy and additive manufacturing processes.
Instructor ProfileCourse Assessment
Assessment may consist of assignments &/or quizzes &/viva &/or exams.
(More details on assessment will be provided at the start of the course).