FLD Creation for SS304 Using Experiments & It's Validation Using HyperForm 11.0

As new market requirements have becoming more persistence through introduction of new technologies for improvements in performance trends, these FEM based software simulation has becoming more affordable & reliable as they reduces lead time & cost. Here an attempt is made to determine FLD of SS304 using experiments & validated with computer simulation through HYPERFORM. The forming limit of sheet metal is defined to be the state at which a localized thinning of the sheet initiates during forming, ultimately leading to a split in the sheet. The forming limit is conventionally described as a curve in a plot of major strain vs. minor strain. Fig.1 shows the conventional forming limit diagram.

 

The Author

Ravi J Bhatt, Mallika R Bhatt
Nirma University
Ahmedabad

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