Mathematical optimization of the process of electrodispergation of the waste of the alloy of the residence permit

Агеева, Е. В.; Агеев, Е. В.; Кузовлева, Ольга Владимировна; Гвоздев, А. Е.

doi:10.22405/2226-8383-2021-22-2-389-401

Chebyshevskii Sbornik

2021

DOI: 10.22405/2226-8383-2021-22-2-389-401

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Mathematical optimization of the process of electrodispergation of the waste of the alloy of the residence permit

Е. В. Агеева¹,

Е. В. Агеев²,

Ольга Владимировна Кузовлева

et al.

Abstract: В работе определены оптимальных параметров работы установки ЭЭД методом постановкой полного факторного эксперимента по среднему размеру частиц получаемых электроэрозионных материалов. В качестве факторов были выбраны параметры работы установки ЭЭД: напряжение на электродах, емкость разрядных конденсаторов и частота следования импульсов. Оптимальные параметры работы установки определяли для двух рабочих сред: воды дистиллированной и керосина осветительного. Согласно проведенной серии опытов определены предельны… Show more

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Cited by 2 publications

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Wear-Resistant Powder Materials for Plasma-Powder Surfacing

Ageeva,

Serebrovskiy,

Ageev

et al. 2023

Teh. serv. maš

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Among powder surfacing materials with high hardness and resistance to abrasive wear, powders based on WC-TiC-Co systems, which are the basis of hard alloys, are among the most promising. (Research purpose) The research purpose is investigating wear-resistant powder materials for plasma-powder surfacing by electrodispersing solid alloy waste of the T30K4 brand in kerosene. (Materials and methods) We chose substandard carbide plates of the T30K4 brand as the starting material; lighting kerosene as the working fluid. We solved the tasks set in the work on the study of the composition, structure and properties of the obtained carbide powders using modern equipment and complementary methods of physical materials science. Electrodispersion of solid alloy waste was carried out on the original installation; the shape and morphology of the particle surface were studied on an electron-ion scanning microscope with field emission of electrons QUANTA 600 FEG; particle size composition ‒ on a laser particle size analyzer Analysette 22 NanoTec; X-ray spectral microanalysis of particles was carried out on an energy dispersive X-ray analyzer of EDAX company, integrated into a scanning electron microscope QUANTA 200 3D; phase analysis of particles was performed on an X-ray diffractometer Rigaku Ultima IV. (Results and discussion) A new technology for producing a carbide electroerosive powder suitable for plasma-powder surfacing has been developed and investigated, the effectiveness of which is confirmed by the properties of the proposed powder material: the spherical shape of powder particles; the average size of powder particles is 58.4 micrometers; powder particles with a uniform distribution of alloying elements: C, Co, Ti and W; powder particles include phases of carbides WC and TiC. (Conclusions) The conducted studies have shown that it is possible to obtain a wear-resistant powder alloy with a uniform distribution of alloying elements by the method of electroerosive dispersion of solid alloy waste of the T30K4 brand.

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Wear-Resistant Powder Materials for Plasma-Powder Surfacing

Ageeva,

Serebrovskiy,

Ageev

et al. 2023

Teh. serv. maš

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Improving the Efficiency of Restoration and Hardening of the Working Bodies of Tillage Machines by Plasma-Powder Surfacing of Carbide Electroerosive Materials

Ageeva,

Serebrovski,

Ageev

et al. 2023

Teh. serv. maš

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The use of powders obtained from solid alloy waste as a highly solid dispersed component of the composition for plasma-powder surfacing will improve the quality, reliability and durability of plasma coatings of working bodies of tillage machines with a minimum of costs for powder materials. However, the properties of these plasma coatings have not been studied enough, so it is necessary to conduct comprehensive studies. (Research purpose) The research purpose is improving the technology of restoration and hardening of the working bodies of tillage machines by plasma-powder surfacing of powder materials obtained by electroerosive dispersion of solid alloy waste T30K4. (Materials and methods) Carbide powders made by electrodispersing solid alloy waste T30K4 in kerosene were used to obtain plasma coatings. We chose for the renovation object a pointed cultivator paw made of 40XC rolled steel. The obtained plasma coatings were studied using modern equipment and complementary methods of physical materials science. (Results and discussion) We have developed, tested and investigated a new technology for restoring and strengthening the working bodies of tillage machines using the example of a pointed cultivator paw by plasma-powder surfacing of carbide electroerosive powder materials. The effectiveness of the development was confirmed by the properties of plasma coatings: the microstructure of the coating has a fine-grained structure, without inclusions, uniform phase distribution and the absence of pores, cracks and discontinuities; elements W, Ti and Co in the coating are evenly distributed; phases of carbides WC and TiC are present; the grain size of the coatings is about 0.3 micrometers; the microhardness of the coatings is about 14245 megapascals. (Conclusions) The results of field tests showed that the resource of the working bodies of tillage machines, restored and strengthened with carbide electroerosion materials, is 1.25 times higher than the resource of new parts.

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Mathematical optimization of the process of electrodispergation of the waste of the alloy of the residence permit

Cited by 2 publications

References 4 publications

Wear-Resistant Powder Materials for Plasma-Powder Surfacing

Wear-Resistant Powder Materials for Plasma-Powder Surfacing

Improving the Efficiency of Restoration and Hardening of the Working Bodies of Tillage Machines by Plasma-Powder Surfacing of Carbide Electroerosive Materials

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