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Radioactivity measurements for the thin layer activation technique
Abbas1, Gilliland, Stroosnijder
1European Commission, Joint Research Centre, Institute for Health and Consumer Protection, Ispra (VA), Italy. kamel.abbas@jrc.it
Summary
Thin layer activation (TLA) uses low radioactivity tracers to precisely measure material wear and corrosion. This technique offers high sensitivity, detecting losses below 0.1 micrometers.
Area of Science:
- Materials Science
- Nuclear Physics
- Analytical Chemistry
Background:
- Thin layer activation (TLA) is a sensitive technique for material performance analysis.
- It utilizes low-level radioactivity to monitor wear and corrosion.
- TLA involves creating radionuclides within a material's surface layer.
Purpose of the Study:
- To present applications of TLA in ongoing research.
- To highlight the capabilities of TLA for material degradation studies.
Main Methods:
- Activation of materials using charged particle beams (e.g., cyclotron).
- Measurement of radioactivity loss using gamma spectrometry.
- Quantification of material loss (thickness or mass) based on radioactivity reduction.
Main Results:
- TLA achieves high sensitivity, detecting material loss below 0.1 micrometers or 1 nanogram.
- Demonstrated effectiveness in material performance studies like wear and corrosion analysis.
Conclusions:
- TLA is a valuable and sensitive method for studying material degradation.
- Ongoing research showcases diverse applications of TLA in material science.