dorsal/arxiv
View SchemaRole of proton irradiation and relative air humidity on iron corrosion
| Authors | S. Lapuerta, N. Moncoffre, N. Millard-Pinard, H. Jaffrézic, N. Bérerd, D. Crusset |
|---|---|
| Categories | |
| ArXiv ID | physics/0509116 |
| URL | https://arxiv.org/abs/physics/0509116 |
| DOI | 10.1016/j.jnucmat.2006.02.051 |
| Journal | Journal of Nuclear Materials 352 (2006) 174-181 |
Abstract
This paper presents a study of the effects of proton irradiation on iron corrosion. Since it is known that in humid atmospheres, iron corrosion is enhanced by the double influence of air and humidity, we studied the iron corrosion under irradiation with a 45% relative humidity. Three proton beam intensities (5, 10 and 20 nA) were used. To characterise the corrosion layer, we used ion beam methods (Rutherford Backscattering Spectrometry (RBS), Elastic Recoil Detection Analysis (ERDA)) and X-ray Diffraction (XRD) analysis. The corrosion kinetics are plotted for each proton flux. A diffusion model of the oxidant species is proposed, taking into account the fact that the flux through the surface is dependent on the kinetic factor K. This model provides evidence for the dependence of the diffusion coefficient, D, and the kinetic factor, K, on the proton beam intensity. Comparison of the values for D with the diffusion coefficients for thermal oxygen diffusion in iron at 300 K suggests an enhancement due to irradiation of 6 orders of magnitude.
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"abstract": "This paper presents a study of the effects of proton irradiation on iron\ncorrosion. Since it is known that in humid atmospheres, iron corrosion is\nenhanced by the double influence of air and humidity, we studied the iron\ncorrosion under irradiation with a 45% relative humidity. Three proton beam\nintensities (5, 10 and 20 nA) were used. To characterise the corrosion layer,\nwe used ion beam methods (Rutherford Backscattering Spectrometry (RBS), Elastic\nRecoil Detection Analysis (ERDA)) and X-ray Diffraction (XRD) analysis. The\ncorrosion kinetics are plotted for each proton flux. A diffusion model of the\noxidant species is proposed, taking into account the fact that the flux through\nthe surface is dependent on the kinetic factor K. This model provides evidence\nfor the dependence of the diffusion coefficient, D, and the kinetic factor, K,\non the proton beam intensity. Comparison of the values for D with the diffusion\ncoefficients for thermal oxygen diffusion in iron at 300 K suggests an\nenhancement due to irradiation of 6 orders of magnitude.",
"arxiv_id": "physics/0509116",
"authors": [
"S. Lapuerta",
"N. Moncoffre",
"N. Millard-Pinard",
"H. Jaffr\u00e9zic",
"N. B\u00e9rerd",
"D. Crusset"
],
"categories": [
"physics.chem-ph"
],
"doi": "10.1016/j.jnucmat.2006.02.051",
"journal_ref": "Journal of Nuclear Materials 352 (2006) 174-181",
"title": "Role of proton irradiation and relative air humidity on iron corrosion",
"url": "https://arxiv.org/abs/physics/0509116"
},
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