Home HOME Kovove Materialy-Metallic Materials 2012 Metallic Materials Vol. 50 (2012), no. 2, pp.125-130

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Metallic Materials Vol. 50 (2012), no. 2, pp.125-130

Title: Research on isothermal forging of a complex-shaped aluminum alloy component
Author: F. LI, J. F. LIN, G. N. CHU, H. Y. SUN, X. L. ZHANG
Abstract: In order to reveal the flow rules of metal during the precision forming of the high rib-thin web forging, the simulation and experiment were conducted to investigate the deformation regularity based on a typical aluminum alloy T-joint forging during different forming process stages. The simulation results indicate that: the most difficult to fill is the corner on big-end of the T-joint because of larger resistance. But the corner can be filled by pressure-keeping and the peak value of temperature appears at the lateral web of T-joint, which is 453 °C. With the forming process, the load was gradually increasing, and the increasing rate obviously accelerated. The simulation coincides with the results of the experiment, it also indicates that by placing reasonably the billet, keeping pressure, and being in strict accordance with those established process specifications, the dimensional accuracy can once meet the design requirements of the high rib-thin web aluminum alloy forging.
Keywords: isothermal forging, high rib-thin web, metal flow, numerical simulation
Year: 2012, Volume: 50, Issue: 2 Page From: 125, Page To: 130
doi:10.4149/km_2012_2_125
Price: 3.00 €





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