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Abstracts
Defects in different iron based alloys were studied at room temperature using positron annihilation techniques. In FeSi alloys, it was found that the Si content and the deformation temperature affect the positron annihilation parameters. In Fe-Mn-Si-Cr-Ni-C samples with different deformations, positron lifetime measurements were carried out before and after isochronal annealing. X-ray diffraction gave information about the different microstructural phases that exist in the deformed alloys before and after annealing. During deformation a martensiticεphase is induced. At 500°C, defects and theεmartensite phase were almost annealed out from the low deformed samples.
Discipline
- 78.70.Bj: Positron annihilation(for positron states, see 71.60.+z in electronic structure of bulk materials; for positronium chemistry, see 82.30.Gg in physical chemistry and chemical physics)
- 62.20.F-: Deformation and plasticity(see also 83.50.-v Deformation and flow in rheology; for materials treatment effects on deformation, see 81.40.Lm)
Journal
Year
Volume
Issue
Pages
1471-1478
Physical description
Dates
published
2008-05
received
2007-09-03
Contributors
author
- Department of Subatomic and Radiation Physics, Ghent University, Proeftuinstraat 86, 9000 Ghent, Belgium
- Department of Metallurgy and Materials Sci., Ghent University, Technologiepark 903, 9052 Ghent, Belgium
author
- Department of Subatomic and Radiation Physics, Ghent University, Proeftuinstraat 86, 9000 Ghent, Belgium
author
- Department of Subatomic and Radiation Physics, Ghent University, Proeftuinstraat 86, 9000 Ghent, Belgium
author
- Department of Metallurgy and Materials Sci., Ghent University, Technologiepark 903, 9052 Ghent, Belgium
author
- Department of Metallurgy and Materials Sci., Ghent University, Technologiepark 903, 9052 Ghent, Belgium
author
- Department of Metallurgy and Materials Sci., Ghent University, Technologiepark 903, 9052 Ghent, Belgium
References
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Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv113n526kz