Course Details
Subject {L-T-P / C} : MM6521 : Powder Technology { 3-0-0 / 3}
Subject Nature : Theory
Coordinator : Debasis Chaira
Syllabus
| Module 1 : |
Introduction: scope of powder metallurgy, Powder manufacturing: reduction, electrolysis, and atomization processes- 6 Hours |
| Module 2 : |
Characterization of metal powders, physical properties-particle size and shape determination, technological properties-apparent density, tap density, green density, sintered density, flow rate etc. 10 Hours |
| Module 3 : |
Mixing of powder, compaction and powder lubrication: Die compaction. 5 Hours |
| Module 4 : |
Sintering: solid and liquid state sintering, sintering mechanisms. Sintering furnaces and sintering atmospheres. Sintering theory and the influence of different processing conditions, wetting and surface diffusion. Advanced consolidation techniques like hot pressing (HP), hot iso-static pressing (HIP), spark plasma sintering (SPS) etc. 8 Hours |
| Module 5 : |
Powder metallurgy products: bearing, filters, friction parts, hard metals, refractory metals, contact materials, magnetic materials, structural parts, and dispersion strengthened materials. 6 Hours |
Course Objective
| 1 . |
Understanding of different metal/alloy powder fabrication techniques |
| 2 . |
Ability to characterize powder particles |
| 3 . |
To study basics of powder compaction and different powder compaction techniques |
| 4 . |
Understanding of fundamentals of sintering and applications of different sintering techniques to fabricate P/M products |
Course Outcome
| 1 . |
CO1: Learning of various methods of powder fabrication
|
| 2 . |
CO2: Learning of characterization of powders and sintered products |
| 3 . |
CO3: Understanding of powder mixing and lubrication before compaction and characterization of the green compact |
| 4 . |
CO4: To gain knowledge of various sintering techniques including advanced sintering techniques |
| 5 . |
CO5: To have an idea about powder metallurgy products used in the industry |
| 6 . |
CO6: To have an idea of powder characteristics on the effect of compaction and sintering |
Essential Reading
| 1 . |
R.M. German, Powder Metallurgy Science, Metal Powder Industries Federation, Princeton, New Jersey |
| 2 . |
M.N. Rahaman, Ceramic Processing and Sintering, Marcel Dekker, New York |
Supplementary Reading
| 1 . |
G.S. Upadhyaya, Powder Metallurgy Technology, Cambridge International Science Publishing |
| 2 . |
A.K. Sinha, Powder Metallurgy, Dhanpat Rai Publication |
Journal and Conferences
| 1 . |