SYMPOSIA PAPER Published: 01 January 1963
STP42026S

On Experimental Solid Dynamics

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There is a strong interdependence between the apparent dynamic properties of materials and the quantities measured by various experimental techniques. The principal task facing the investigator lies in the inference of stress from the measured quantities. In this report emphasis is placed upon the test technique and its influence upon the measured quantities rather than upon the correlation of data with theory. Three different types of solid dynamics experiments are reviewed from the standpoint of interpretation of stress: (1) one-dimensional tensile impact studies in which dynamic strain measurements are made simultaneously at several stations remote from the impact area; (2) two-dimensional studies on impulsively loaded diaphragms where dynamic strain and dynamic deflection are measured in an essentially wave-free environment; and (3) dynamic photoclastic techniques employing stroboscopic lighting and repeated impacts where the minute details of a propagating wave can be investigated.

Author Information

Gerard, George
Allied Hesearch Associates, Inc., Concord, Mass.
Papirno, Ralph
Allied Hesearch Associates, Inc., Concord, Mass.
Becker, Herbert
Allied Hesearch Associates, Inc., Concord, Mass.
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Details
Developed by Committee: D20
Pages: 82–103
DOI: 10.1520/STP42026S
ISBN-EB: 978-0-8031-5982-2
ISBN-13: 978-0-8031-6136-8