SYMPOSIA PAPER Published: 01 January 1931
STP47549S

Fatigue and Impact Testing of Welded Products

Source

Fatigue and impact testing on a material do not correlate until the energy of the impact blow approaches a very small value. Single-blow impact results plotted against typical fatigue values for steel are very well illustrated by Fig. 1. Repeated light-blow impact test results plotted against fatigue values are shown in Fig. 2 and indicate a less scattered result. When still lighter impact blows are applied the correlation becomes very much closer. This is brought out in a discussion by J. M. Lessells of the Westinghouse Electric and Manufacturing Co., and is shown in Fig. 3. Figures 1 and 2 are plotted from the results of the Fatigue of Metals Investigation obtained at the University of Illinois and sponsored by the National Research Council.

Author Information

Jasper, T., M.
A. O. Smith Corporation, Milwaukee, Wis.
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Details
Developed by Committee: A01
Pages: 130–140
DOI: 10.1520/STP47549S
ISBN-EB: 978-0-8031-6977-7
ISBN-13: 978-0-8031-6476-5