File:Effective delta k due to crack closure.jpg
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Summary
| Description |
English: Crack closure effect (example of R=0). Stress intensity factor, K, is calculated from the external applied force P, and the crack tip opening displacement, CTOD, varies with time during a sinusoidal cycle of K. Nominal stress intensity factor range, delta_K, is calculated from K_max and K_min. However, crack closure occurs when K < K_cl even though under positive K,allowing us to define an effective stress intensity range, delta_K_eff from K_max and K_cl, which is less than the nominal applied delta_K. |
| Date | |
| Source | Own work |
| Author | Guwenjia |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 05:21, 4 May 2019 | | 1,237 × 892 (65 KB) | Guwenjia | User created page with UploadWizard |
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