Search academic texts

Information × Registration Number 0219U006107, 0117U007358 , R & D reports Title Development of technology for high-speed surfacing of parts surfaces at low linear energy. popup.stage_title Head Shchetynin Sergey Victorovich, Registration Date 08-04-2019 Organization State Higher Educational Institution "Pryazovskyi State Technical University" popup.description2 The object of the study is the process of high-speed surfacing of parts of surfaces at low racing energy The purpose of carrying out scientific and technical work is to develop a high-speed energy-saving process of strengthening and restoration of surfaces of parts made of high-carbon steels, with low running energy, which provides increased friction resistance of the weld metal. Methods of research: - the study of the magnitude of microproducts of the crystalline lattice was carried out by X-ray diffraction analysis on a X-ray diffractometer DRON-3; - determination of chemical composition of non-metallic inclusions was carried out by X-ray spectral analysis, on a raster electron microscope REM-100U and by laser microspectroanalysis, on a laser microspectrum analyzer LMA-10. The influence of the shape of the electrode and the linear energy on the micro-distortion of the crystal lattice, the micro-voltage and the density of the dislocations is determined. The influence of the shape of the electrode and running energy on the welding voltages, the microstructure and the fracture resistance of the welded metal is established. Based on the results of the performed researches, an energy-saving technological process of high-speed strengthening and restoration of surfaces of parts from high-carbon steels, on low racing energy, which provides minimal microspanding of the crystal lattice, micro-voltage and dislocation density, microstructure crushing, and increased frictional resistance of the weld metal, has been developed. Product Description popup.authors Білик Олександр Григорович Коваль Олександр Володимирович Никитенко Павло Володимирович Чигарьов Валерій васильович Щетинін Сергій Вікторович Щетиніна Віра Іванівна popup.nrat_date 2020-04-02 Close