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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/100023

    Title: An analysis of forming limit in micro deep drawing of the square cup for anisotropic foil
    Authors: Yeh, F.-H.;Li, C.-L.;Tsay, K.-N.
    Contributors: 淡江大學機械與機電工程學系
    Keywords: Anisotropic Foil;Explicit Dynamic Finite Element Method;Forming Limit;Forming Limit Diagram (FLD);Limit Drawing Ratio;Micro Deep Drawing;Square Cup
    Date: 2011-09
    Issue Date: 2015-01-22 11:08:04 (UTC+8)
    Publisher: Pfaffikon: Scientific.Net
    Abstract: This paper presents an explicit dynamic finite element method (FEM) in conjunction with the forming limit diagram (FLD) to analyze the forming limit for the SPCC foil in micro deep drawing of square cup. In the present study, the tensile, anisotropic and friction test are performed to obtain the material parameters of the alloy foil according to the ASTM standards. Importing these properties, the numerical analysis is conducted by the explicit dynamic FEM. The FLD in numerical simulation is used as the criterion of the forming limit in micro deep drawing of the square cup. The forming limit, punch load-stroke relationship, deformed shape and thickness distribution of square cup, are discussed and compared with the experimental results. It shows that a good agreement is achieved from comparison between simulated and experimental results. The limit drawing ratio in micro deep drawing of square cup is 2.08 in this paper. From this investigation, the results of this paper can be used as reference in the relative researches and applications of micro forming.
    Relation: Applied Mechanics and Materials 105-107, pp.344-347
    DOI: 10.4028/www.scientific.net/AMM.105-107.344
    Appears in Collections:[Graduate Institute & Department of Mechanical and Electro-Mechanical Engineering] Journal Article

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