Abstract
We report ongoing experimental work on fracture and brittle-ductile transitions in vanadium, iron and iron-9% chromium single crystals and polycrystals. Tests were carried out by four-point bending of pre-cracked specimens in the temperature range 77-300 K, at a variety of strain rates. For a given material, variation of the brittle-ductile transition temperature with strain rate allows us to estimate an activation energy for the controlling process; for vanadium this was found to be ∼0.37 eV, for iron ∼0.21 eV and for iron-9% chromium ∼0.11 eV.
| Original language | English |
|---|---|
| Pages (from-to) | 637-643 |
| Number of pages | 7 |
| Journal | Journal of Nuclear Materials |
| Volume | 367-370 A |
| Issue number | SPEC. ISS. |
| DOIs | |
| Publication status | Published - Aug 1 2007 |
All Science Journal Classification (ASJC) codes
- Nuclear and High Energy Physics
- Materials Science(all)
- Nuclear Energy and Engineering
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Joseph, T. D., Tanaka, M., Wilkinson, A. J., & Roberts, S. G. (2007). Brittle-ductile transitions in vanadium and iron-chromium. Journal of Nuclear Materials, 367-370 A(SPEC. ISS.), 637-643. https://doi.org/10.1016/j.jnucmat.2007.03.077