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Shock and Vibration
Volume 2, Issue 4, Pages 289-295

Development of a Method for Characterizing Joint Stiffness, Deadband, and Hysteresis

G.D. Ferney and S.L. Folkman

Department of Mechanical and Aerospace Engineering, Utah State University, Logan, UT 84322, USA

Received 18 August 1994; Accepted 27 January 1995

Copyright © 1995 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


This article documents the development of a procedure for characterizing the stiffness, deadband, and hysteretic behavior of struts with pinned joints. A test setup utilized procedures recommended by other authors. The test results included a calibration specimen with linear stiffness and near zero hysteretic behavior that identified the capabilities and limitations of the procedure. Tension/compression pull tests of the truss joints were conducted. The load vs. displacement curves showed stiffness, deadband, and hysteresis loops consistent with theory. Vibration damping was inferred from the hysteresis loops and compared with measured data from a three bay truss.