The median crack driven by a point force

The shape of a median crack, driven by a point force, is deduced. It is shown that if it is assumed that self-arrest occurs when the crack tip stress intensity factor falls below the fracture toughness, a near-circular crack may be expected to develop. A universal calibration for the crack tip stres...

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Veröffentlicht in:	Journal of the European Ceramic Society 1996, Vol.16 (11), p.1209-1212
Hauptverfasser:	A. Hills, D., Dai, D.N., Warren, P.D.
Format:	Artikel
Sprache:	eng
Schlagworte:	Exact sciences and technology Fracture mechanics (crack, fatigue, damage...) Fracture mechanics, fatigue and cracks Fundamental areas of phenomenology (including applications) Physics Solid mechanics Structural and continuum mechanics
Online-Zugang:	Volltext
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Beschreibung
Zusammenfassung:	The shape of a median crack, driven by a point force, is deduced. It is shown that if it is assumed that self-arrest occurs when the crack tip stress intensity factor falls below the fracture toughness, a near-circular crack may be expected to develop. A universal calibration for the crack tip stress intensity factor is given.
ISSN:	0955-2219 1873-619X
DOI:	10.1016/0955-2219(96)00047-7