Abstract
The method of caustics in combination with a Cranz-Schardin high-speed camera was utilized to study dynamic crack propagation in epoxy specimens. Single-edge-cracked tensile specimens were fractured under pin-loading conditions so that cracks could undergo acceleration and deceleration stages in one fracture process. Dynamic stress intensity factor Kid and crack velocity a were evaluated in the course of crack propagation. Caustic patterns at the loading points were also recorded to estimate the dynamic load P applied to the specimen. Unloading rate i. e. the time derivative of P, was determined as a function of time t, and its correlations with A'id and a were examined.
| Original language | English |
|---|---|
| Pages (from-to) | 579-583 |
| Number of pages | 5 |
| Journal | Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A |
| Volume | 64 |
| Issue number | 619 |
| DOIs | |
| Publication status | Published - 1998 |
All Science Journal Classification (ASJC) codes
- Materials Science(all)
- Mechanics of Materials
- Mechanical Engineering