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Radiation Modification of Materials


Development of Physical and Chemical Principles for Radiation Techniques of Material Modification by Electrons, Polyenergetic Ions and High Temperature Plasma Fluxes (Phase of Feasibility and Market Study)

Tech Area / Field

  • MAT-SYN/Materials Synthesis and Processing/Materials

8 Project completed

Registration date

Completion date

Senior Project Manager
Tocheny L V

Leading Institute
MIFI, Russia, Moscow

Supporting institutes

  • VNIITF, Russia, Chelyabinsk reg., Snezhinsk\nTRINITI, Russia, Moscow reg., Troitsk


  • Argonne National Laboratory (ANL), USA, IL, Argonne

Project summary

Currently the non-traditional techniques of material treatment with the help of intensive energy fluxes (laser radiation, electron beams a.o.) and ion implantation are finding expanding applications for the increase of longevity and operational properties of units in the countries with a high level of science and engineering. The modification of materials by means of high current pulsed electron beams (HCPEB), high temperature pulsed plasma fluxes (HTPPF) and polyenergetic ion beams (PIB) has great potential among non-traditional techniques of material treatment. However their commercial application is being suppressed by a number of factors, in particular lack of comprehensive understanding of physical and chemical interaction between these types of radiation and complex composition alloys, lack of extensive studies and a bank of firm data on the changes of structure and phase state and physical and chemical properties of widely used functional materials exposed to treatment. There are no practically results of the modification of materials exposed to successive treatment with the help of these types of radiation, allowing to extend significantly the process possibilities for these techniques.

The purpose of this project is to develop techniques for the material modification of medium-sized units to increase their longevity and operational properties by combined treatment with different types of radiation, including high-energy pulsed electron and high temperature pulsed plasma fluxes, and ion mixing using polyenergetic ion beams.

We suppose to apply a wide range of construction and functional materials, including pure metals, complex composition alloys of different lattices and phase changes, corrosion-resistant steels of different classes, tool steels, covering and cladding materials as subjects (materials) for investigations.

In performing the works of the Project it is supposed to solve the following problems:

1. To modernize the available irradiation installations (pulsed electron accelerator, plasma installation "Desna-M", and polyenergetic ion beams accelerator "VOKAL") for the treatment of different material.
2. To develop diagnostics systems for the electron accelerator and plasma installation "Desna-M" to determine the irradiation regimes and target characteristics.
3. To investigate the interaction of electron and plasma fluxes with the solid surface; to estimate the value of the target screening caused by evaporated material; to choose working regimes of the installations which provide the optimal value of the energy, absorbed by the materials, and formation of the given temperature-force fields over the surface of target and along its depth.
4. To investigate the features of ion mixing and the "long-range interaction" effect during polyenergetic ion beams irradiation under different regimes.
5. To investigate what consequences occur, when the target is exposed to complex action by electron, ion, and plasma (in various combinations) fluxes.
6. To investigate the structure and phase transformations of a wide range of materials after concentrated energy fluxes (CEF) action under different regimes.
7. To find out regularities of the service property changes of materials being exposed, under various combinations, to CEF and ion actions.
8. To choose the optimal consequence of materials treatment by pulsed fluxes of electron, high temperature plasma, and polyenergetic ion beams for the increase of their properties.

In executing the Project it is supposed to obtain results of great scientific and practical significance as follow:

- to develop physical and chemical principles for ecologically pure radiation technology of the modification of structural materials having different nature and structure by pulsed electron fluxes, high temperature plasma fluxes, and multicomponent polyenergetic ion beams;
- to comprehend the interaction character of the solid with high energy pulsed electron and high temperature plasma fluxes;
- to find out the features of the ion mixing by recoil atoms during polyenergetic multicomponent ion beam irradiation;
- to comprehend the changes of the structure and phase states of different materials under concentrated fluxes of energy injected into various depths of materials.

The developed regimes of radiation treatment technologies for medium-sized units of cylindrical (L < 400mm, Ж < 60mm) and plate (F < 0.5m2) geometry are important practical results having economical and industrial profits. These regimes allow to increase corrosion resistance in 2-3 times, wear resistance in 5-10 times, and other their characteristics.

Physical and chemical principles of ecologically pure radiation techniques for the modification of different nature and structure construction materials with HCPEB, HTPPF and PIB fluxes will be developed.

Foreign collaborators can play a great role in executing the Project as follows: to make connections with the countries carrying out similar investigations, to find out the most appropriate sources of special materials and equipment for executing the Project, to provide guidance on how best to disseminate the results of research and development internationally, and to make a considerable help in the arrangement of working consultations.


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