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Experimental study on electromagnetic shape correction of quenched 2A12-T4 aluminum alloy with T-profile was carried out. The results show that the controllable shape correction of a given T-profile can be achieved by electromagnetic shape correction, and the process efficiency is high. For profiles with overall warping defects, the shape correction can be achieved by striking the local area according to the bending deformation law; for profiles with local wavy defects of flange, the shape correction can be achieved by striking the position of local defects sequentially; for the profiles with both defects, it can be firstly corrected for local wavy defects of flange and then corrected for overall warpage to meet the shape accuracy requirements. Under the same reduction, compared with the long-time loading press shape correction, the tangential stress distribution gradient of T-profile in electromagnetic shape correction is larger, and it results in a greater plastic deformation along the length direction. The loading and deformation are completed instantaneously and the correction efficiency is high. © 2020, Editorial Board of Journal of Plasticity Engineering. All right reserved.
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Journal of Plasticity Engineering
ISSN: 1007-2012
Year: 2020
Issue: 7
Volume: 27
Page: 86-93
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ESI Highly Cited Papers on the List: 0 Unfold All
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