E NERGY RELEASE RATE Irwin later modified the Griffith theory by replacing the term 2γ with the potential strain energy release rate G When a samples
{"Image DocumentName": "G\u2265 2\u03b3 Energy release rate", "Image ImageDescription": "Irwin later modified the Griffith theory by replacing the term 2\u03b3 with the potential strain energy release rate G. When a samples fractures, a new surface is created => necessary conditions for fracture \u2013 sufficient energy release. G\u2265 2\u03b3. The critical condition to which the crack. propagates to cause global failure is when this G value exceeds the critical value. Irwin showed that G is measurable and can be related to the stress intensity factor, K.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}