Journal of Science and Technology of Composites

Experimental determination of forming limit diagram in Aluminum-Copper two-layer metallic sheets

Document Type : Research Paper

Authors

1 School of Mechanical Engineering, Iran University of Science and Technology, Tehran, Iran

2 School of Mechanical Engineering, Iran University of Science and Technology, Tehran, Iran.

Abstract

Nowadays, two-layer metallic sheets have become as a useful solution to produce multi-functional products. Generally, two-layer metallic sheets can have advantageous characteristics such as increasing formability of the low formable component, improving the corrosion and wear resistance and reducing weight and cost of manufactured products. Therefore, understanding the forming limit behavior of a two-layer metallic sheet has an essential role in the design of sheet metal forming processes. Forming limit diagram (FLD) is a suitable method to predict the formability of metallic sheets in sheet metal forming operations. The aim of this research was to determine the forming limit diagram in Aluminum-Copper two-layer metallic sheets experimentally. The forming limit diagram can be used as a criterion in order to predict necking initiation which may cause tearing in sheet metal forming processes. In this paper, the forming limit diagrams of Aluminum-Copper two-layer metallic sheets have been obtained through an experimental procedure for the first time.

Graphical Abstract

Keywords

References
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Journal of Science and Technology of Composites
Volume 2, Issue 4 - Serial Number 4
March 2016
Pages 45-50
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