slugPredicting the Blast Pressure on Explosive Forming Process by Experimentation and Finite Element Analysis
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2014, Vol 2, Issue 1
Abstract
Explosive forming is a process of forming a metal into a desired shape. In this technique an explosive charge is used instead of a punch or press. Blasts will take place by a low pressure explosive above the work piece. As a result the work piece deforms into the required shape. In this project the deformation characteristics of the part to be formed under blast pressure. When an explosive pressure is applied inside the Vacuum chamber of experimental setup the deformation of the G.I. Sheet with respect to the blast pressure is measured. The work piece used in this project is a G.I. Sheet. It is placed in between two circular dies. When the TNT (fire cracker) explodes, due to the exerted pressure the G.I. Sheet tends to move downwards and hence a hemispherical bowl is formed. Another rectangular shaped die is fabricated and the work piece is kept in between these two rectangular dies and the process is repeated. Hence a rectangular tray is obtained. The process parameters are recorded.
Authors and Affiliations
N. Madan Mohan Reddy, K. Srinivasa Chalapati, L. Srinivas Naik
Keywords
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