METHOD OF INVESTIGATING BEHAVIOR OF MATERIALS DURING IMPACT-WAVE LOADING USING PROTON RADIOGRAPHY Russian patent published in 2019 - IPC G01N23/00 

FIELD: measuring equipment.

SUBSTANCE: use for analysis of materials at impact-wave loading by means of proton radiography. Experimental image of the proton beam is obtained using a recording system after passing through the object of analysis with subsequent processing of the image and comparison with design data including the shape and position of the shock wave and / or detonation wave and / or the geometry of the object from the analysed material. To process the obtained images of the survey object, the images of the test objects are used by placing them on the location of the object of the study, wherein from the image of the test object with reference marks in the nodes of the orthogonal grid, establishing a correspondence between the actual geometric dimensions of the test object and its dimensions on the image, which is taken into account when processing images of the survey object, and based on images obtained during movement of said test object along the beam axis, taking into account the effect of the system for forming and recording images on size distortion, on the image of an object having constant surface density, taking into account the value of the field of view of the magnetooptical system, wherein for simultaneous evaluation of distortion an image is obtained by placing a steel plate with marking in the form of a grid before that object. Calculated data are obtained by simulating the spatial distribution of protons at the input of the recording system converter after passing the region with the analysed material, which is carried out on the basis of the beam sum method or Monte Carlo method.

EFFECT: high accuracy and information value of analysing materials during impact-wave loading.

4 cl, 19 dwg