Mention factors affecting reduction process for powder production.
[3 marks]Describe advantages and limitations of powder metallurgy.
[4 marks]Explain method to measure particle size and shape of metal powders by Optical Microscopy.
[7 marks]What do you mean by metallic filters? Give their applications.
[3 marks]Discuss production method of metallic filters.
[4 marks]Explain atomization method for powder production.
[7 marks]Explain different steps of mechanical alloying. List parameters of a mill.
[7 marks]Differentiate apparent density and tap density of powders.
[3 marks]Explain effect of particle size and size distribution on properties of final sintered compact.
[4 marks]Discuss various steps of powder extrusion. Give the advantages.
[7 marks]Mention factors affecting carbonyl process.
[3 marks]Discuss method to measure tap density of given powder sample.
[4 marks]Describe various steps of powder rolling. Give advantages and disadvantages.
[7 marks]Discuss the role of lubricants in the die compaction of powders.
[3 marks]Explain different steps of antifriction materials production.
[4 marks]Describe hot isostatic pressing method for powder compaction. Give its advantages.
[7 marks]What are the antifriction materials? Write their applications.
[3 marks]List possible defects in powder metallurgy products. Discuss any one.
[4 marks]Explain die compaction process. Enlist factors to be considered for die design.
[7 marks]Discuss significance of flow rate of powders.
[3 marks]Describe the function of different sintering atmospheres.
[4 marks]Describe mechanism of liquid-phase sintering. List its advantages.
[7 marks]What are the sintered bearings? List their applications.
[3 marks]Describe various stages of sintering.
[4 marks]Write a note on sintering furnaces.
[7 marks]