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Effect of annealing on formability of aluminium grade 19000
AbstractForming limit diagrams are used by the stampers to solve sheet metal forming problems. In practice, sheet metals have been subjected to various combinations of strain. Necking during sheet metal forming, sets the limit to which the sheet metal can be formed. Forming limit diagram is an effective tool to evaluate the formability of sheet metal in various strain conditions. The information upon the formability of the sheet metal is important for both sheet metal manufacturers and users. In this work, a study has been made on the formability of aluminium 19000 grades annealed at three different temperatures namely 160°C, 200°C and 300°C for sheet thickness of 2.00mm. The tensile properties and formability parameters were experimentally evaluated and they are related to forming limit diagram. Strain distribution profiles obtained from the forming experiment have been analyzed. The fractured surface of the formed samples were viewed using scanning electron microscope (SEM) and the SEM images were correlated with fracture behaviour and formability of sheet metal. The sheet which is annealed at 300°C has been found to possess good drawability and stretchability compared to other two annealed sheets.
Effect of annealing on formability of aluminium grade 19000
AbstractForming limit diagrams are used by the stampers to solve sheet metal forming problems. In practice, sheet metals have been subjected to various combinations of strain. Necking during sheet metal forming, sets the limit to which the sheet metal can be formed. Forming limit diagram is an effective tool to evaluate the formability of sheet metal in various strain conditions. The information upon the formability of the sheet metal is important for both sheet metal manufacturers and users. In this work, a study has been made on the formability of aluminium 19000 grades annealed at three different temperatures namely 160°C, 200°C and 300°C for sheet thickness of 2.00mm. The tensile properties and formability parameters were experimentally evaluated and they are related to forming limit diagram. Strain distribution profiles obtained from the forming experiment have been analyzed. The fractured surface of the formed samples were viewed using scanning electron microscope (SEM) and the SEM images were correlated with fracture behaviour and formability of sheet metal. The sheet which is annealed at 300°C has been found to possess good drawability and stretchability compared to other two annealed sheets.
Effect of annealing on formability of aluminium grade 19000
Narayanasamy, R. (author) / Ravi chandran, M. (author) / Parthasarathi, N.L. (author)
2006-12-29
21 pages
Article (Journal)
Electronic Resource
English
Effect of annealing on formability of aluminium grade 19000
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