i

Title of the course

MM 626: Thermomechanical Processing and Forming of Steel

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ii

Credit structure

L????????? T????????? P????????? C

3 ? ? ? ? ? 0 ? ? ? ? ?0? ? ? ? ? ?6

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iii

Pre-requisite, if any

None

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iv

Course content

Forming techniques: rolling, extrusion, wire drawing, forging, pilgering, sheet metal forming, hydroforming, superplastic forming, Defects in TMP: form defects, surface defects, fracture related defects, strain localizations. Physical simulation of properties: tensile and compression testing, hot torsion tests, mixed strain path tests, typical formability tests. Case studies: steel for car body, dual phase and TRIP steel, controlled rolling of HSLA, electrical steel, patented steel wire.

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v

Texts/References

G. Dieter, Mechanical Metallurgy, McGraw-Hill, 1976.B. Verlinden, J. Driver, I. Samajdar, R.D. Doherty, Thermo-Mechanical Processing of Metallic Materials, Pergamon Materials Series, Ed. R.W. Cahn, Elsevier, Amsterdam, 2007.Metals Handbook 302226 Forming and Forging, Vol. 14, Ninth Edition, (1988), ASM, Ohio, USA.S. Kalpakjian, Manufacturing engineering and technology, Addison-Wesley, 1995.

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Instructor(s) name

Prof. B.P.Kashyap