A compact and reliable X-ray source, based on a 5 MeV, 1 kW, S-band electron linac, has been set up at the Dipartimento di Fisica, Università di Messina. This source, coupled with a GOS scintillator screen and a CCD camera, represents an innovative transportable system for industrial radiography and X-ray tomography. Optimization of the parameters influencing the 6-7 conversion and the X-ray beam characteristics have been studied by means of the MCNP-4C2 (Monte-Carlo-N-Particle, version 4C2) code. The converter choice is the result of the study of the 6-7 conversion performances for different materials and material thicknesses. Also the converter position with respect to the linac exit window has been studied. The chosen converter consists in a W-Cu target inserted close to the linac window. In the final source project, a collimation system provides a 14 cm diameter X-ray spot at the sample position, and preliminary radiographic results have been obtained by inspecting different density materials and thicknesses.
Titolo: | A compact 5 MeV S-band electron linac based X-ray source for industrial radiography |
Autori: | |
Data di pubblicazione: | 2005 |
Abstract: | A compact and reliable X-ray source, based on a 5 MeV, 1 kW, S-band electron linac, has been set up at the Dipartimento di Fisica, Università di Messina. This source, coupled with a GOS scintillator screen and a CCD camera, represents an innovative transportable system for industrial radiography and X-ray tomography. Optimization of the parameters influencing the 6-7 conversion and the X-ray beam characteristics have been studied by means of the MCNP-4C2 (Monte-Carlo-N-Particle, version 4C2) code. The converter choice is the result of the study of the 6-7 conversion performances for different materials and material thicknesses. Also the converter position with respect to the linac exit window has been studied. The chosen converter consists in a W-Cu target inserted close to the linac window. In the final source project, a collimation system provides a 14 cm diameter X-ray spot at the sample position, and preliminary radiographic results have been obtained by inspecting different density materials and thicknesses. |
Handle: | http://hdl.handle.net/11570/1906430 |
ISBN: | 9780780388598 |
Appare nelle tipologie: | 14.d.3 Contributi in extenso in Atti di convegno |