Powder Metallurgy and Joining of Metals
Course Name:
Powder Metallurgy and Joining of Metals (MT362)
Programme:
Semester:
Category:
Credits (L-T-P):
Course Outcomes:
CO1: To acquire knowledge on powder preparation techniques, characterization techniques of powders and application of powder metallurgy
CO2: To attain knowhow about pressure-less and without pressure compaction techniques along with powder sintering
CO3: To understand brazing soldering, solid state, gas and fusion welding processes
CO4: To acquire knowledge on joining of various metals, including dissimilar, under water, cryogenic conditions and vacuum
CO5: To understand welding solidification, weldability etc
Course modules and teaching hours:
Module 1: (19 hours)
Historical development of Powder Metallurgy, reasons for using powder metallurgy, Metal powder manufacturing techniques and powder characterization, Powder conditioning
Compaction and shaping, Sintering, Sintering atmospheres and equipment Secondary operations, testing, standards and quality controls and Application
Module 2: (9 hours)
Brazing & Soldering, Classification of welding methods; electrodes, gas welding, MMAW, TIG, MIG, EBW, LBW, plasma welding, SAW, ESW, thermit welding, arc characteristics & metal transfer, equipment for welding, friction welding, ultrasonic welding, explosive welding, induction pressure welding, electrical resistance welding, production of tubes, diffusion bonding
Module 3: (5 hours)
Welding of plain carbon steels, alloy steels, stainless steels and tool steels, cast iron and wrought iron, copper, aluminium, magnesium, titanium & super alloys, welding of dissimilar metals, underwater welding, welding in vacuum, welding at low temperature (cryogenic welding), welding in space robotic welding
Module 4: (5 hours)
Solidification, micro & macrostructure, weldability and hardenablity, residual stresses, inspection and testing of welds, design of weldments, numerical problems in welding, use of computers in welding