On the lower limiting velocity of a dynamic crack in brittle solids

Ilan Beery; Uri Lev; Dov Sherman

doi:10.1063/1.1540736

On the lower limiting velocity of a dynamic crack in brittle solids

Ilan Beery, Uri Lev, Dov Sherman

Research output: Contribution to journal › Article › peer-review

Abstract

The crack velocity in glass and single-crystal silicon was experimentally studied by subjecting strip-like silicon and silicate glass specimens to three-point bending loading to fracture. A notch was introduced to each of the specimens with 0.15- and 0.3-mm-thick diamond saws to depths of 0.1 to 1.5 mm, respectively. Crack velocity was studied in a geometry that constrained the crack profile to a nearly quarter elliptical shape. Direct measurements indicated that the crack velocity along this profile decreased to less than 1% of the Rayleigh wave speed, at room temperature and at 77 K.

Original language	English
Pages (from-to)	2429-2434
Number of pages	6
Journal	Journal of Applied Physics
Volume	93
Issue number	5
DOIs	https://doi.org/10.1063/1.1540736
State	Published - 1 Mar 2003
Externally published	Yes

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10.1063/1.1540736

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On the lower limiting velocity of a dynamic crack in brittle solids

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