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Science 13 January 1989:
Vol. 243. no. 4888, pp. 200 - 203
DOI: 10.1126/science.243.4888.200
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Articles

A Relation to Describe Rate-Dependent Material Failure

BARRY VOIGHT 1

1 College of Earth and Mineral Sciences, Pennsylvania State University, University Park, PA 16802.

The simple relation OHacgrOHgr-agr = 0, where OHgr is a measurable quantity such as strain and A and agr are empirical constants, describes the behavior of materials in terminal stages of failure under conditions of approximately constant stress and temperature. Applicable to metals and alloys, ice, concrete, polymers, rock, and soil, the relation may be extended to conditions of variable and multiaxial stress and may be used to predict time to failure.

Submitted on April 14, 1988
Accepted on October 4, 1988


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