The Effect of Test System Misalignment in the Dynamic Tension Test

[+] Author and Article Information
Han C. Wu, T. P. Wang, M. C. Yip

Division of Materials Engineering, The University of Iowa, Iowa City, Iowa 52242

J. Eng. Mater. Technol 104(4), 285-290 (Oct 01, 1982) (6 pages) doi:10.1115/1.3225078 History: Received July 08, 1980; Online September 15, 2009


An analysis of test system misalignment is presented for dynamic tension test. Sheet type rectangular 1100-0 aluminum specimens are used for discussion. For a constant strain rate tension test, the strain rate is constant only on the neutral axis of the specimen. The lower the strain rate is, the more significant the misalignment errors become. The neutral axis will shift away from the centerline of the specimen as the plastic strain increases. But, it will reach a limit and will not completely move back to the centerline.

Copyright © 1982 by ASME
Topics: Tension , Aluminum , Errors
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