The role of surface and volume defects in the fracture of glass under quasi-static and dynamic loadings

BRAJER, Xavier ; FORQUIN, Pascal ; et al.

In: Proceedings of the 1st Conference on Flow and Fracture of Advanced Glasses, Rennes, France, 21-25 October 2001Journal of non-crystalline solids 316(1):42-53; Jg. 316 (2003) 1, S. 42-53

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In this paper, the role of surface and volume defects on fracture in soda-lime glass is analyzed when samples are submitted to quasi-static or dynamic loadings. To investigate fracture, different experiments are carried out, namely, quasi-static compression of glass spheres and edge-on-impacts. The first test series aims at studying crack initiation. Different surface treatments are performed to study their influence on the failure load, from which it is concluded that initiation of cracks occurs in the vicinity of the contact surface. The second series is concerned with the examination of crack patterns under dynamic loadings with two different strikers (i.e., soft/flat and hard/perforating projectiles). Crack initiation under dynamic load histories is investigated near and far from the impact zone and it is concluded that it cannot take place within the volume, except in a very small zone close to the impact point. Conversely, initiation of damage from the surface, at a location far from the impact point, is possible and clearly present with a soft projectile.

Titel:	The role of surface and volume defects in the fracture of glass under quasi-static and dynamic loadings
Autor/in / Beteiligte Person:	BRAJER, Xavier ; FORQUIN, Pascal ; GY, René ; HILD, Francois
Link:	E-Journal im Bestand der UB Hagen? View record from PASCAL Archive
Quelle:	Proceedings of the 1st Conference on Flow and Fracture of Advanced Glasses, Rennes, France, 21-25 October 2001Journal of non-crystalline solids 316(1):42-53; Jg. 316 (2003) 1, S. 42-53
Veröffentlichung:	Amsterdam: Elsevier, 2003
Medientyp:	Konferenz
Umfang:	print, 25 ref
ISSN:	0022-3093 (print)
Schlagwort:	Crystallography Cristallographie cristallogenèse Chemical industry parachemical industry Industrie chimique et parachimique Metallurgy, welding Métallurgie, soudage Condensed state physics Physique de l'état condensé Sciences exactes et technologie Exact sciences and technology Physique Physics Etat condense: structure, proprietes mecaniques et thermiques Condensed matter: structure, mechanical and thermal properties Propriétés mécaniques et acoustiques de l'état condensé Mechanical and acoustical properties of condensed matter Propriétés mécaniques des solides Mechanical properties of solids Fatigue, fragilisation, rupture et fissures Fatigue, brittleness, fracture, and cracks Amorçage fissure Crack formation Charge dynamique Dynamic loads Charge statique Static loads Choc mécanique Mechanical shock Défaut surface Surface defect Defecto superficie Défaut Defects Essai compression Compressive testing Etude expérimentale Experimental study Forme sphérique Spherical shape Forma esférica Méthode moindre carré Least square fit Méthode élément fini Finite element method Onde compression Compressional waves Rupture Ruptures Surface contact Contact surface Superficie contacto Verre sodocalcique Soda-lime glasses
Sonstiges:	Nachgewiesen in: PASCAL Archive Sprachen: English Original Material: INIST-CNRS Document Type: Conference Paper File Description: text Language: English Author Affiliations: Saint-Gobain Recherche, 39 quai Lucien Lefranc, 93303 Aubervilliers, France ; LMT-Cachan, ENS de Cachan/CNRS UMR 8535/University Paris 6, 61 Avenue du Président Wilson, 94235 Cachan, France Rights: Copyright 2003 INIST-CNRS ; CC BY 4.0 ; Sauf mention contraire ci-dessus, le contenu de cette notice bibliographique peut être utilisé dans le cadre d’une licence CC BY 4.0 Inist-CNRS / Unless otherwise stated above, the content of this bibliographic record may be used under a CC BY 4.0 licence by Inist-CNRS / A menos que se haya señalado antes, el contenido de este registro bibliográfico puede ser utilizado al amparo de una licencia CC BY 4.0 Inist-CNRS Notes: Physics of condensed state: structure, mechanical and thermal properties

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