ML3016 POWDER METALLURGY SYLLABUS | ANNA UNIVERSITY BE MANUFACTURING ENGINEERING 8TH SEMESTER SYLLABUS REGULATION 2008 2011 2012-2013 BELOW IS THE ANNA UNIVERSITY 8TH SEMESTER B.E MANUFACTURING ENGINEERING DEPARTMENT SYLLABUS, TEXTBOOKS, REFERENCE BOOKS,EXAM PORTIONS,QUESTION BANK,PREVIOUS YEAR QUESTION PAPERS,MODEL QUESTION PAPERS, CLASS NOTES, IMPORTANT 2 MARKS, 8 MARKS, 16 MARKS TOPICS. IT IS APPLICABLE FOR ALL STUDENTS ADMITTED IN THE YEAR 2011 2012-2013 (ANNA UNIVERSITY CHENNAI,TRICHY,MADURAI, TIRUNELVELI,COIMBATORE), 2008 REGULATION OF ANNA UNIVERSITY CHENNAI AND STUDENTS ADMITTED IN ANNA UNIVERSITY CHENNAI DURING 2009
ML3016 POWDER METALLURGY LT P C
3 0 0 3
OBJECTIVE:
This course teaches powder preparation, characterization, compaction and sintering.
This knowledge is essential to understand powder metallurgy applications in
aerospace, automobile and machining materials.
UNIT I CHARACTERISTICS AND TESTING OF METAL POWDERS 10
Sampling, chemical composition purity, surface contamination etc. Particle size. and its
measurement, Principle and procedure of sieve analysis, microscopic analysis:
sedimentation, elutriation, permeability. adsorption methods and resistivity methods:
particle shape, classifications, microstructure. specific surface area. apparent and tap
density. green density. green strength, sintered compact density, porosity, shrinkage.
UNIT II POWDER MANUFACTURE AND CONDITIONING 10
Mechanical methods Machine milling, ball milling, atomization, shotting. Chemical
methods, condensation, thermal decomposition, carbonyl. reduction by gas-hydride,
dehydride process, electro deposition, precipitation from aqueous solution and fused
salts, hydrometallurgical method. Physical methods: Electrolysis and atomization
processes, types of equipment, factors affecting these processes, examples of powders
produced by these methods, applications, powder conditioning, heat treatment, blending
and mixing, types of equipment, types of mixing and blending
UNIT III POWDER COMPACTION 7
Pressureless compaction: slip casting and slurry casting. Pressure compaction
lubrication, single ended and double ended compaction, isostatic pressing, powder
rolling, forging and extrusion, explosive compaction.
UNIT IV SINTERING 8
Stage of sintering, property changes, mechanisms of sintering, liquid phase sintering
and infiltration, activated sintering, hot pressing and Hot Isostatic Pressing HIP, vacuum
sintering, sintering furnaces and sintering atmosphere, finishing operations – sizing,
coining, repressing and heat treatment.
UNIT V APPLICATIONS 10
Major applications in aerospace. nuclear and automobile industries. Bearing Materials
types, self lubrication and other types, methods of production, properties, applications.
Sintered Friction Materials-clutches, brake linings, Tool Materials- cemented carbides,
oxide ceramics, Cermets- Dispersion strengthened materials.
TOTAL : 45 PERIODS
73
TEXT BOOKS
1. Sinha A. K., “Powder Metallurgy”, Dhanpat Rai & Sons. New Delhi, 1982.
2. Ramakrishnan, P.,“ Powder Metallurgy”,New Age International Publishers, 1st edition,
2007
REFERENCES
1. ASM Handbook. Vol. 7, “Powder Metallurgy”, Metals Park, Ohio, USA, 1990.
2. Animesh Bose., “Advances in Particulate Materials”, Butterworth - Heinemann. New
Delhi, 1995.
3. Kempton. H Roll., “Powder Metallurgy”, Metallurgical Society of AMlE, 1988.
4. Ramakrishnan. P., “Powder Metallurgy Opportunities for Engineering Industries”,
Oxford and IBH Publishing Co., Pvt. Ltd, New Delhi, 1987.
5. Erhard Klar., “Powder Metallurgy Applications, Advantages and Limitations”,
American Society for Metals, Ohio, 1983.
6. Sands. R. L. and Shakespeare. C. R. “Powder Metallurgy”, George Newes Ltd.
London, 1966
ML3016 POWDER METALLURGY LT P C
3 0 0 3
OBJECTIVE:
This course teaches powder preparation, characterization, compaction and sintering.
This knowledge is essential to understand powder metallurgy applications in
aerospace, automobile and machining materials.
UNIT I CHARACTERISTICS AND TESTING OF METAL POWDERS 10
Sampling, chemical composition purity, surface contamination etc. Particle size. and its
measurement, Principle and procedure of sieve analysis, microscopic analysis:
sedimentation, elutriation, permeability. adsorption methods and resistivity methods:
particle shape, classifications, microstructure. specific surface area. apparent and tap
density. green density. green strength, sintered compact density, porosity, shrinkage.
UNIT II POWDER MANUFACTURE AND CONDITIONING 10
Mechanical methods Machine milling, ball milling, atomization, shotting. Chemical
methods, condensation, thermal decomposition, carbonyl. reduction by gas-hydride,
dehydride process, electro deposition, precipitation from aqueous solution and fused
salts, hydrometallurgical method. Physical methods: Electrolysis and atomization
processes, types of equipment, factors affecting these processes, examples of powders
produced by these methods, applications, powder conditioning, heat treatment, blending
and mixing, types of equipment, types of mixing and blending
UNIT III POWDER COMPACTION 7
Pressureless compaction: slip casting and slurry casting. Pressure compaction
lubrication, single ended and double ended compaction, isostatic pressing, powder
rolling, forging and extrusion, explosive compaction.
UNIT IV SINTERING 8
Stage of sintering, property changes, mechanisms of sintering, liquid phase sintering
and infiltration, activated sintering, hot pressing and Hot Isostatic Pressing HIP, vacuum
sintering, sintering furnaces and sintering atmosphere, finishing operations – sizing,
coining, repressing and heat treatment.
UNIT V APPLICATIONS 10
Major applications in aerospace. nuclear and automobile industries. Bearing Materials
types, self lubrication and other types, methods of production, properties, applications.
Sintered Friction Materials-clutches, brake linings, Tool Materials- cemented carbides,
oxide ceramics, Cermets- Dispersion strengthened materials.
TOTAL : 45 PERIODS
73
TEXT BOOKS
1. Sinha A. K., “Powder Metallurgy”, Dhanpat Rai & Sons. New Delhi, 1982.
2. Ramakrishnan, P.,“ Powder Metallurgy”,New Age International Publishers, 1st edition,
2007
REFERENCES
1. ASM Handbook. Vol. 7, “Powder Metallurgy”, Metals Park, Ohio, USA, 1990.
2. Animesh Bose., “Advances in Particulate Materials”, Butterworth - Heinemann. New
Delhi, 1995.
3. Kempton. H Roll., “Powder Metallurgy”, Metallurgical Society of AMlE, 1988.
4. Ramakrishnan. P., “Powder Metallurgy Opportunities for Engineering Industries”,
Oxford and IBH Publishing Co., Pvt. Ltd, New Delhi, 1987.
5. Erhard Klar., “Powder Metallurgy Applications, Advantages and Limitations”,
American Society for Metals, Ohio, 1983.
6. Sands. R. L. and Shakespeare. C. R. “Powder Metallurgy”, George Newes Ltd.
London, 1966
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