Vol. 13, No. 1, 2018

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Numerical and experimental study on incremental forming process of Al/Cu bimetals: influence of process parameters on the forming force, dimensional accuracy and thickness variations

Mohammad Honarpisheh, Morteza Keimasi and Iman Alinaghian

Vol. 13 (2018), No. 1, 35–51
DOI: 10.2140/jomms.2018.13.35

In the present study, a finite element method was carried out on the single point incremental forming process of explosive-welded Al/Cu bimetal. The effect of process parameters, such as the tool diameter, vertical pitch, sheet thickness, pyramid angle, and process strategies, were investigated on the forming forces, dimensional accuracy, and thickness distribution of a truncated pyramid with FEM approaches. The results obtained from the simulation were validated by experiments. The findings indicated that by increasing the tool radius and vertical pitch size, the forming force increases and the wall thickness decreases. The finite element prediction for forming force, thickness distribution, and process strategies shown good agreement with experiments.

incremental sheet forming, force, dimensional accuracy, explosive welding, FEM
Received: 29 June 2017
Revised: 5 October 2017
Accepted: 5 November 2017
Published: 7 April 2018
Mohammad Honarpisheh
University of Kashan
Morteza Keimasi
University of Kashan
Iman Alinaghian
University of Kashan