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Vol 10, Issue 1, 2014
Pages: 85 - 94
Professional paper
Metallic materials
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Published: 24.04.2014. Professional paper Metallic materials

MATERIAL STRENGTHENING IN FORMING FINAL TUBULAR PRODUCT FROM AL 99.5% BY FORWARD COLD FLOW FORMING

By
Sabahudin Ekinović ,
Sabahudin Ekinović
Contact Sabahudin Ekinović

Faculty of Mechanical Engineering, University of Zenica , Zenica , Bosnia and Herzegovina

Ibrahim Plančić ,
Ibrahim Plančić

Faculty of Mechanical Engineering, University of Zenica , Zenica , Bosnia and Herzegovina

Edin Begović ,
Edin Begović

Faculty of Mechanical Engineering, University of Zenica , Zenica , Bosnia and Herzegovina

Himzo Đukić ,
Himzo Đukić

Faculty of Mechanical Engineering, Computing and Electrical Engineering (FSRE), University of Mostar , Mostar , Bosnia and Herzegovina

Branka Muminović
Branka Muminović

Institute Kemal Kapetanović, University of Zenica , Zenica , Bosnia and Herzegovina

Abstract

Final product of the cold forming process gain many advantages that are mostly produced by 
strengthening of the material in the process. Those advantages are primarily explained as improving 
mechanical characteristic of the work material. Forward cold flow forming is among those processes 
and it is mostly related to (forming) shaping of rotational and axisimetrical parts in military, airspace, 
nuclear and similar industrial applications that required strengthening effect. In this paper is shown 
an example of forward cold flow forming application process in production of 99,5% Al workpieces 
with focus on analysis of a strengthening effect of the processed material by the change in its 
mechanical parameters like Rm, Rp0,2, A and Z. 

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