A Simulation Procedure for Panel Age Forming

[+] Author and Article Information
S. P. Narimetla

Center for Manufacturing Research, Tennessee Technological University, Cookeville, TN 38505

J. Peddieson

Department of Mechanical Engineering, Tennessee Technological University, Cookeville, TN 38505

G. R. Buchanan

Department of Civil Engineering, Tennessee Technological University, Cookeville, TN 38505

S. Foroudastan

Textron Aerostructures, Nashville, TN 37202

J. Eng. Mater. Technol 120(2), 183-190 (Apr 01, 1998) (8 pages) doi:10.1115/1.2807009 History: Received April 02, 1997; Revised September 30, 1997; Online November 27, 2007


A method of simulating the age forming of initially flat panels is proposed. It conceptually divides the process into three phases (loading, aging, and unloading) and simulates each phase separately. Some sample simulations are presented for 7075 aluminum alloy based on a simplified version of the general procedure (linear loading and unloading, nonlinear aging). The results of these simulations are used to illustrate several aspects of the predictions. An interesting finding is that the part shape and tool shape are geometrically similar in two important special cases.

Copyright © 1998 by The American Society of Mechanical Engineers
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