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Information × Registration Number 0220U101094, 0117U007259 , R & D reports Title New high-tech power-saving energy source for precision welding, brazing and surface treatment of materials popup.stage_title Head Bolotov Maksym H., Registration Date 31-01-2020 Organization Chernihiv National University of Technology popup.description2  It was shown for the first time the possibility to control the energy release on the surface of parts in the conditions of welding and brazing in a low-temperature glow discharge plasma by regulating of two main technological parameters of the discharge. It is realize due to the current, its type and pressure of the gas environment. The main requirements for controlling systems of the main parameters of glow discharge heating and for the devices of supplying its stable occurrence was formulated. The controlling systems for the glow discharge current and for the gas pressure in the chamber as well as adaptive stabilizers were developed. They are provide independent determination of the limit of the stable occurrence of the glow discharge and heating at the modes corresponding to the highest energy characteristics of the discharge. The results obtained during the third stage of the research work make it possible to control the energy parameters of the glow discharge. It is possible due to the stable occurrence of glow discharge within the selected form in the welding, brazing and surface treatment processes throughout the entire isothermal heating cycle by the usage of technical facilities for discharge current regulating within 1...10 A and gas pressures in the gas-discharge chamber from 13.3 to 26.6 kPa. In turn, the latter approach will significantly increase the productivity of the process of obtaining of diffusion-welded joints made of materials that significantly differ in physical and mechanical properties and have a limited or unsatisfactory ability to weld. These results are used in laboratory work in the disciplines of «Special welding methods» and «Advanced technologies for materials joining”. Product Description popup.authors Belianko Oleksii О. Bolotov Gennadii P. Hrechka Volodymyr M. Derkach Oleh L. Nahorna Iryna V. Petrushinets Lidiya V. Savchenko Oleksandr Yu. Stepenko Serhii A. Yushchenko Svitlana M. popup.nrat_date 2020-04-02 Close