The Role of Stress Concentration in the Fatigue of Delrin

[+] Author and Article Information
L. J. Wolf

Structural Dynamics, McDonnell Aircraft Corporation, St. Louis, Mo.

W. B. Diboll

Washington University, St. Louis, Mo.

J. Eng. Ind 87(3), 319-322 (Aug 01, 1965) (4 pages) doi:10.1115/1.3670832 History: Received July 17, 1964; Online December 08, 2011


Specimens of Delrin Acetal Resin with different stress-concentration factors were fatigue-tested in tension. Cyclic heat generation affects the strength of the part. Conventional stress-concentration factors may be used for Delrin, provided that the temperature is kept low enough, either through low loads or good heat transfer.

Copyright © 1965 by ASME
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