MT455

Special Topics in Metal Forming

 

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High velocity forming – comparison with conventional forming –

 

Explosive forming - explosives – detonation velocity of explosives – energy transfer media – safety circuit – process parameters – application of explosive forming

 

Petro forge system – rubber pad forming – electro magnetic forming coil requirements – effect of work piece dimensions and conductivity -  applications – electro hydraulic forming – types of electrodes – applications

 

Superplastic forming – superplasticity – definition - components – mechanism of superplastic deformation – diffusion bonding – superplastic forming and diffusion bonding – methods of forming -

 

Severe plastic deformation – ECAP -types- microstructural variations with processing route – cryo rolling – process- types – stress strain distribution

 

Severe plastic deformation by mechanical alloying – types – equipment – compaction – sintering – mechanism of sintering

 

TEXT BOOKS

 

1.Hosford W.F and Caddell, ‘ Metal forming mechanics and metallurgy” Prentice Hall, 1983

2. Explosive forming process and techniques – A.A.Ezra, Prentice Hall, 1980

 

REFERENCES

 

 1. ASM metals Handbook, Volume 5, 1984

2.  Padmanabhan K A  and G.J.Davis, Superplasticity, Springer Verlag, Berlin   Heidberg, NY, 1980.