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Tempered glass can bend before it breaks

Researchers have developed a way to temper glass chemically so that it can withstand some cracking before ultimately shattering.

References:

Green, D.J., R. Tandon, and V.M. Sglavo. 1999. Crack arrest and multiple cracking in glass through the use of designed residual stress profiles. Science 283(Feb. 26):1295.

Sources:

S. Jill Glass
Sandia National Laboratories
Organization 1833
Mailstop Code 1833
Albuquerque, NM 87185

David J. Green
Pennsylvania State University
Department of Materials Science and Engineering
University Park, PA 16802
Web site: http://www.ems.psu.edu/People/Green.html

Rajan Tandon
Caterpillar, Inc. Technical Center
Peoria, IL 61656

From Science News, Vol. 155, No. 9, February 27, 1999, p. 133. Copyright © 1999, Science Service.

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