GLASS FRACTURE IN EDGE FLAKING

Fracture resistance of technical quartz and normal window glasses was investigated in testing polished rectangular parallelepipeds by edge flaking their long edges with Rockwell and Vickers indenters (EF method) and by scratching the specimen surface with a Rockwell indenter followed by flaking its...

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Veröffentlicht in:	Strength of materials 2007-11, Vol.39 (6), p.639-645
Hauptverfasser:	GOGOTSI, G. A, GALENKO, V. I, MUDRIK, S. P, OZERSKII, B. I, KHVOROSTYANYI, V. V, KHRISTEVICH, T. A
Format:	Artikel
Sprache:	eng
Schlagworte:	Exact sciences and technology Fracture mechanics (crack, fatigue, damage...) Fundamental areas of phenomenology (including applications) Mechanical contact (friction...) Physics Solid mechanics Structural and continuum mechanics
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Beschreibung
Zusammenfassung:	Fracture resistance of technical quartz and normal window glasses was investigated in testing polished rectangular parallelepipeds by edge flaking their long edges with Rockwell and Vickers indenters (EF method) and by scratching the specimen surface with a Rockwell indenter followed by flaking its edge (S+EF method). It was established that the fracture of those glass specimens in their edge flaking with a Rockwell indenter was started with the formation of a Hertzian ring crack and their corresponding chip scars had the form of Hertzian 'quasi-cones.' Fractographic data were used in analysis of test results.
ISSN:	0039-2316 1573-9325
DOI:	10.1007/s11223-007-0072-7