Abstract
Fracture dynamics of Homalite-100, PMMA and epoxy were studied. Fracture surfaces were examined by a roughness meter to correlate the surface roughness A with such fracture parameters as crack velocity a and crack extension resistance R∗. High-speed photography of fracture caustic images gave those values. Correlations between λ and those parameters have shown that, although λ depends on d or on R∗, λ is not a unique function of one of those parameters. It is found that λ has the best correlation with the product R∗.a, i.e., dissipated energy per unit crack front and unit time.
| Original language | English |
|---|---|
| Pages (from-to) | 1324-1331 |
| Number of pages | 8 |
| Journal | Transactions of the Japan Society of Mechanical Engineers Series A |
| Volume | 53 |
| Issue number | 491 |
| DOIs | |
| Publication status | Published - 1987 |
All Science Journal Classification (ASJC) codes
- General Materials Science
- Mechanics of Materials
- Mechanical Engineering
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