MATEC Web Conf.
Volume 220, 20182018 The 2nd International Conference on Mechanical, System and Control Engineering (ICMSC 2018)
|Number of page(s)||6|
|Section||Functional Material Design and Modeling|
|Published online||29 October 2018|
Investigation of Hydro-piercing Method for Stainless Steels by Finite Element Method
1 Department of Mechanical Engineering, Selcuk University, Konya, Turkey
2 Department of Mechanical Engineering Nigde Omer Halisdemir University, Nigde, Turkey
3 Nigde Omer Halisdemir University Prof. Dr. T. Nejat Veziroglu Clean Energy Research Center, Nigde, Turkey
4 Technical Sciences Vocational School of Higher Education, Selcuk University, Konya, Turkey
Researches and studies on hydroforming process, which is a method that is getting more and more popular every day thanks to its many advantages in application, are ongoing. It is possible to pierce- the holes on a tube or sheet hydroformed part using hydropiercing method after the forming operation. In this study, hydropiercing process of a 304 stainless steel is simulated via the LS-Dyna in 2D axial symmetry model. In the simulations two types of punch movement was investigated to determine the contribution to the burr formation. In the simulations, Jonson-Cook hardening and damage model were used to determine the initiation of the crack on the samples. As a result, the burr formation can be eliminated by the two step movement of the punch through the piercing operation.
© The Authors, published by EDP Sciences, 2018
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