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The principle of thin layer activation is the creation of radionuclides ina surface layer to a well-defined depth of a selected area, by exposure to a high energy charged particle beam. Any loss of activated material due to a surface degradation process, like wear or corrosion, will result in a decrease in activity of the component. The use of TLA offers various advantages, which include area selectivity (ie material mass from a particular region can be monitored), high sensitivity and low total activity, in addition to the possibility for in-situ and on-line monitoring of the individual elements. Due to these specific properties, TLA can contribute significantly to monitor surface degradation in both research and industrial applications.

Additional information

Authors: GARCIA-ALONSO M C, JRC-Ispra IAM Cyclotron (IT);BRUGNONI C, JRC-Ispra IAM Cyclotron (IT);SCROOSNIJDER M F, JRC-Ispra IAM Cyclotron (IT)
Bibliographic Reference: Paper presented: EUROCORR 1998, European Federation of Corrosion, Utreche (NL), September 28th-October 1st, 1998
Availability: Available from DG XIII D-2 as Paper EN 41813 ORA
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