EXPERIENCE IN CREATING LAYERED RADIATION- PROTECTIVE MATERIALS ON A TEXTILE BASIS
Abstract
The technology of creating radiation-protective lead materials on a textile basis was developed. A method of electrochemical deposition of lead on a metallized fabric from a hydrogen borofluoride electrolyte was developed. The influence of the increase in the caliber of the lead electrochemical coating on the changes in the density of the mesh and the living cross-section of the metallized fabric is determined. The efficiency of the radiation-protective properties of the material is estimated by determining the linear attenuation coefficient of gamma quanta with an energy of 0.662 MeV from the Сs-137 source using a scintillation single-channel gamma spectrometer. It is noted that due to the spatial arrangement of the layers of metallized fabric with an optimal range of lead-coated calibers from 75 to 100 micrometers, having a live cross-section of no more than 0.05%, an abnormally strong change in the intensity of penetrating radiation occurs. It is shown that when duplicating a metallized fabric with a lead coating, the living cross-section of the duplicated structure is a power function of the number of layers of the metallized fabric. It is noted that the metallized fabric with a lead coating in the studied range of calibers has a multiplicity of attenuation of gamma-radiation Cs137 below the lead plate of a similar caliber.
In the resulting radiation-protective material on a textile basis, both traditional technological approaches are implemented - the use of lead, and innovative ones associated with the use of multilayer materials to implement an abnormally strong change in the intensity of penetrating radiation.
In the resulting radiation-protective material on a textile basis, both traditional technological approaches are implemented - the use of lead, and innovative ones associated with the use of multilayer materials to implement an abnormally strong change in the intensity of penetrating radiation.