Study of Mg–Ca alloys by positron annihilation technique
✍ Scribed by Y. Ortega; J. del Rı́o
- Book ID
- 113895262
- Publisher
- Elsevier Science
- Year
- 2005
- Tongue
- English
- Weight
- 420 KB
- Volume
- 52
- Category
- Article
- ISSN
- 1359-6462
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## Abstract Positron annihilation lifetime and coincidence Doppler broadening measurements have been performed on ultra low carbon steel and Fe–Si alloys with different Si contents (from 3.32 up to 11.1 wt%) in the annealed state and after a deformation of 5% thickness reduction. It was seen that a
Defect distributions close to cracks created by monotonic and fatigue tests in the Al-Mg-Si alloy Al 6013 have been investigated by positron lifetime studies. The defect structure close to the crack surface was studied at sub-m resolution with a pulsed positron beam, whereas the lateral defect distr