Concept of ultimate fracture-front velocity in cylindrical cavity expansion in a brittle material

Expansion of a cylindrical cavity in a brittle material is analyzed on the basis of the concept of the ultimate velocity of the fracture front. The boundary problems have been solved for the material regions of various states. The expansion pressure of a cylindrical cavity as a function of the expan...

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Veröffentlicht in:Strength of materials 2002-05, Vol.34 (3), p.280-286
Hauptverfasser: KARTUZOV, V. V, GALANOV, B. A, IVANOV, S. M
Format: Artikel
Sprache:eng
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Zusammenfassung:Expansion of a cylindrical cavity in a brittle material is analyzed on the basis of the concept of the ultimate velocity of the fracture front. The boundary problems have been solved for the material regions of various states. The expansion pressure of a cylindrical cavity as a function of the expansion velocity in a ceramic material [AD995 alumina] is given and compared to that of a spherical cavity.
ISSN:0039-2316
1573-9325
DOI:10.1023/A:1016226802042