Abstract
The process of cold forming is considered of the most different industries and the use of such process in the manufacture of components and small parts has expanded. Therefore, analyzing the behavior of metals in this process to identify and control durability that is the main factor of limiting process has particular importance in industrial forming processes. In this study, cold forming process of aluminum metal has been studied and its effect on its mechanical properties has been evaluated. For this purpose, first modeling piece of aluminum alloy 5083 for cold forming process is carried out and using finite element analysis, mechanical properties of considered piece during cold forming processes are investigated. The results show that by reducing friction, stress and strain during the process will reduce, thereby durability of the piece increases, or in other words, ductile fracture occurs in longer life and higher stresses. The results show that by proper forming operations, it can be improved the strength and durability of aluminum alloy. Finally, validation of results, by comparing simulation results with experimental results is carried out.
Highlights
Aluminum alloys due to low weight and high corrosion resistance are considered in various industries
It is noteworthy that in many processes of forming, deformation based on pressure operations is performed
Friction plays an important role in all processes of metalworking, exist friction between the mold and the workpiece in the process of cold pressing of upsetting directly involved in plastic deformation of piece when a solid sample is compressed between two plates, contact surface friction causes to delay of the free flow of material and the tapered edges are formed of the metal almost non- deformed that at the bottom of the cylinder remain
Summary
Aluminum alloys due to low weight and high corrosion resistance are considered in various industries. The cold pressing forming processes in the production of industrial parts such as automotive, aircraft and so on have many applications. The important part is in the metal forming analysis to model the collision and friction between the material and the form at the intersection of mold and metal. Friction plays an important role in all processes of metalworking, exist friction between the mold and the workpiece in the process of cold pressing of upsetting directly involved in plastic deformation of piece when a solid sample is compressed between two plates, contact surface friction causes to delay (prevent) of the free flow of material and the tapered edges are formed of the metal almost non- deformed that at the bottom of the cylinder remain. The deformation parts under the effect of high strain difficulty in the middle parts of sample are focused. That as bulges towards the outside are placed, in practice, the use of lubricants reduces the degree of barreling
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