Characterization of strain rate effects in sheet laser forming
                    
                        
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                    چکیده
منابع مشابه
Effects of strain rate in laser forming
Experimental investigation and numerical simulation of the influence of the strain rate in laser forming are presented. To isolate and effectively study the strain rate effects, which are temperature dependent, a "constant peak temperature" method is developed with the aid of numerical modeling and solution. Under the condition of the constant peak temperature, the effects of strain rate on for...
متن کاملNumerical and Experimental Study of Strain Rate Effects in Laser Forming
Experimental investigation and numerical simulation of the influence of the strain rate in laser forming are presented. To isolate and effectively study the strain rate effects, which are temperature dependent, a ‘‘constant peak temperature’’ method is developed with the aid of numerical modeling and solution. Under the condition of the constant peak temperature, the effects of strain rate on f...
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The single point incremental forming (SPIF) is one of the dieless forming processes which is widely used in the sheet metal forming. The correct selection of the SPIF parameters influences the formability and quality of the product. In the present study, the Gurson-Tvergaard Needleman (GTN) damage model was used for the fracture prediction in the numerical simulation of the SPIF process of alum...
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the aim of this paper is to develop a systematic method to analyze the effects of forming parameters on the quality of part formability and determine the optimal combination of the forming parameters for the sheet hydroforming process. in this paper, the effects of four important process parameters namely fluid pressure, friction coefficient at blank/punch interface, gap between die rim block a...
متن کاملThe Influence of Sheet Metal Anisotropy on Laser Forming Process
Cold-rolled sheet metal that is often used in laser forming exhibits anisotropic properties, which are mostly caused by preferred orientations of grains developed during the severe plastic deformation such as cold rolling. In the present study, the textures of cold-rolled mild steel sheets are characterized and the influence of the plastic anisotropy on laser forming process is investigated. De...
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ژورنال
عنوان ژورنال: Comptes Rendus Mécanique
سال: 2018
ISSN: 1631-0721
DOI: 10.1016/j.crme.2018.05.001