Submitted on: 29 August 2011.
Revised on: 26 December 2011.
Accepted on: 14 January 2012.
___________________International Journal of Material Forming
Submitted on: 08 November 2019.
Revised on: 24 December 2019.
Accepted on: 08 January 2020.
___________________International Journal of Material Forming
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Submitted on: 28 April 2000.
Revised on: 19 May 2000.
Accepted on: 05 June 2000.
___________________International Journal of Material Forming
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