Thermosets Toughening by Creation of Residual Compressive Stresses |
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| Journal | Key Engineering Materials (Volume 312) |
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| Volume | Fracture of Materials: Moving Forwards |
| Edited by | Hong-Yuan Liu, Xiaozhi Hu and Mark Hoffman |
| Pages | 3-8 |
| DOI | 10.4028/www.scientific.net/KEM.312.3 |
| Citation | Ho Sung Kim et al., 2006, Key Engineering Materials, 312, 3 |
| Online since | June, 2006 |
| Authors | Ho Sung Kim, Nam Ho Kim |
| Keywords | Fracture, Microsphere, Residual Stress, Thermoset, Toughness |
| Abstract | Toughening of thermosets by creation of residual compressive stresses around microspheres is studied. Expandable hollow micro-spheres containing liquefied gas were used for the creation of residual compressive stresses. Microscopic compressive residual stresses around the micro-spheres in the vicinity of the crack tip were graphically analysed and related to macroscopic mechanical behaviour for mode I fracture. It was confirmed that toughening was due to residual compressive stresses rather post-cure effect. |
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