Investigation of the Influence of the Dispersion Medium on the Properties of Heat-resistant Powders Obtained from the Waste of the Alloy ZHSU6

Purpose. Study of the effect of the dispersion medium on the properties of electroerosive heat-resistant powders from waste alloy ZHSU6.

Materials and methods of research.  Grinding of metal waste of the ZhS6U alloy was carried out by electrodispersion in distilled water and kerosene lighting. To study the composition, structure and properties of the obtained metal powders, the following research equipment was used: the shape of metal powder particles was studied on a QUANTA 600 FEG microscope; the dimensional characteristics of powder particles were studied on an Analysette 22 NanoTec analyzer; X-ray spectral microanalysis of metal powder particles was carried out on an analyzer embedded in a QUANTA 200 3D microscope; X-ray diffraction analysis of metal powder particles was performed on a Rigaku Ultima IV diffractometer.

Results and discussion. The interrelations between the composition and properties of the working fluid and the granulometric, elemental, and phase compositions of electroerosive heat-resistant powders from the waste of the alloy ZHSU6 have been established, allowing to vary their properties. During the experiments, it was found that the chemical composition of the working fluid affects the elemental and phase compositions of the metal powders obtained, and the dielectric constant of the working fluid affects their dimensional characteristics. In addition, it was found that the presence of oxygen on the surface of the particles of the resulting metal chips and decarbonization of carbides until the appearance of pure metals W and Cr in them as a result of dissociation of oxides contributes to the presence of carbon in the working fluid – distilled water. In turn, the formation of carbides phases such as WC, Mo2C, TiC and Cr7C3 is facilitated by electrodispersion in the working fluid – in kerosene lighting. It is noted that the average particle size of metal chips increases with a decrease in the dielectric constant of the working medium. 

Conclusion. The conducted studies aimed at studying the influence of the working environment of electrodispersion on the properties of electroerosive heat-resistant powders from waste of the alloy ZHSU6 will solve the problem of saving expensive alloying components.

1. Belyaev M. S., Morozova L. V., Gorbovets M. A., Slavin A. V. High-cycle fatigue of single-crystal heat-resistant nickel alloy under the conditions of stress concentration. Metallurgist, 2020, vol. 63, no. 11-12, pp. 1237–1247.

2. Chekhovskoi V. Ya., Peletskii V. E. Teplofizicheskie svoistva zharoprochnogo splava na nikelevoi osnove KhN55VMTKYu (EI929) [The thermophysical properties of khn55vmtkyu nickel-based heat-resistant alloy]. Teplofizika vysokikh temperatu = High Temperature, 2005, vol. 43, no. 1, pp. 51–57.

3. Korostelev A. B., Zherebtsov S. N., Sokolov I. P., Chumak-Zhun D. A. Modification of heat-resistant nickel alloy with a combined inoculator. Metallurgist, 2011, vol. 54, no. 9– 10. pp. 711–713.

4. Svistunova T. V., Estulin G. V. Effect of rare earth metals on the properties of heatresistant nickel-chrome alloy. Metal Science and Heat Treatment, 1961, vol. 3, no. 9–10, pp. 432–434.

5. Baskov F. A., Bychkova M. Y., Sentyurina Z. A., Logachev I. A., Logacheva A. I. Structure and properties of ep741np heat-resistant nickel alloy produced by selective laser melting. Russian Journal of Non-Ferrous Metals, 2021, vol. 62, no. 3, pp. 302–310.

6. Eremin E. N., Filippov Yu. O., Davletkildeev N. A., Minnekhanov G. N. Issledovanie struktury splava ZhS6U metodom atomno-silovoi mikroskopii [Investigation of the structure of the alloy ZhS6U by atomic force microscopy]. Omskii nauchnyi vestnik = Omsk Scientific Bulletin, 2011, no. 1 (97), pp. 24–29.

7. Eremin E. N., Filippov Yu. O., Matalasova A. E. Issledovanie karbidnykh faz v splave ZhS6U [Investigation of carbide phases in the alloy ZhS6U]. Omskii nauchnyi vestnik = Omsk Scientific Bulletin, 2014, no. 3 (133), pp. 59–63.

8. Eremin E. N., Filippov Yu. O., Minnekhanov G. N., Lopaev B. E. Issledovanie fazovykh prevrashchenii v splave ZhS6U metodami termicheskogo analiza [Investigation of phase transformations in the ZhS6U alloy by methods of thermal analysis]. Omskii nauchnyi vestnik = Omsk Scientific Bulletin, 2013, no. 1 (117), pp. 63–68.

9. Novikova O. V., Kochetkov V. A., Vinogradov A. I., Zhukov A. A., Tikhonov A. A., Marinin S. F. Primenenie gazoizostaticheskogo pressovaniya dlya povysheniya ekspluatatsionnoi nadezhnosti lopatok turbiny iz zharoprochnogo splava tipa ZhS6U [The use of gasstatic pressing to improve the operational reliability of turbine blades made of heat-resistant alloy typeZHS6U]. Zagotovitel'nye proizvodstva v mashinostroenii = Procurement production in mechanical engineering, 2007, no. 8, pp. 54–56.

10. Ageeva E. V., Khor'yakova N. M., Ageev E. V. Morphology of copper powder produced by electrospark dispersion from waste. Russian Engineering Research, 2014, vol. 34(11), pp. 694–696.

11. Ageeva E. V., Khor’yakova N. M., Ageev E. V. Morphology and composition of copper electrospark powder suitable for sintering. Russian Engineering Research, 2015, vol. 35(1), pp. 33–35.

12. Latypov R. A., Ageeva E. V., Kruglyakov O. V., Latypova G. R. Electroerosion micro- and nanopowders for the production of hard alloys. Russian Metallurgy (Metally), 2016, vol. 2016(6), pp. 547–549.

13. Latypov R. A., Ageev E. V., Latypova G. R., Altukhov A. Y., Ageeva E. V. Elemental Composition of the powder particles produced by electric discharge dispersion of the wastes of a VK8 hard alloy. Russian Metallurgy (Metally), 2017, vol. 2017(12), pp. 1083–1085.

14. Latypov R. A., Ageev E. V., Altukhov A. Y., Ageeva E. V. Manufacture of cobalt– chromium powders by the electric discharge dispersion of wastes and their investigation. Russian Metallurgy (Metally), 2018, vol. 2018(12), pp. 1177–1180.

15. Latypov R. A., Ageev E. V., Altukhov A. Y., Ageeva E. V. Effect of temperature on the porosity of the additive products made of the dispersed wastes of cobalt–chromium alloys. Russian Metallurgy (Metally), 2019, vol. 2019(12), pp. 1300–1303.

16. Ageev E. V., Ageeva E. V., Altukhov A. Yu. Additivnye izdeliya iz elektroerozionnogo kobal'tokhromovogo poroshka [Additive products from electroerosive cobalt-chromium powder]. Metallurg = Metallurg, 2021, no. 10, pp. 78–81.

17. Ageev E. V., Ageeva E. V., Altukhov A. Yu. Otsenka vozmozhnosti primeneniya elektroerozionnykh kobal'tokhromovykh poroshkov dlya polucheniya izdelii metodom additivnogo proizvodstva [Assessment of the possibility of using electroerosive cobalt-chromium powders to produce products by additive manufacturing]. Metallurg = Metallurg, 2021, no. 12, pp. 61–64.

18. Ageev E. V., Semenikhin B. A., Latypov R. A. Issledovanie mikrotverdosti poroshkov, poluchennykh elektroerozionnym dispergirovaniem tverdogo splava [Investigation of microhardness of powders obtained by electroerosive dispersion of a hard alloy]. Vestnik Federal'nogo gosudarstvennogo obrazovatel'nogo uchrezhdeniya vysshego professional'nogo obrazovaniya "Moskovskii gosudarstvennyi agroinzhenernyi universitet imeni V. P. Goryachkina" = Bulletin of the Federal State Educational Institution of Higher Professional Education "V. P. Goryachkin Moscow State Agroengineering University", 2011, no. 1 (46), pp. 78–80.

19. Latypov R. A., Latypova G. R., Ageev E. V., Davydov A. A. Razrabotka i issledovanie tverdosplavnykh izdelii iz poroshkov, poluchennykh elektroerozionnym dispergirovaniem vol'framsoderzhashchikh otkhodov [Development and research of carbide products from powders obtained by electroerosive dispersion of tungsten-containing waste]. Mezhdunarodnyi nauchnyi zhurnal = International Scientific Journal, 2013, no. 2, pp. 107–112.

20. Latypov R. A., Korostelev A. B., Ageev E. V., Semenikhin B. A. Svoistva poroshkov iz otkhodov tverdykh splavov VK8 i T15K6, poluchennykh metodom elektroerozionnogo dispergirovaniya [Properties of powders from waste of hard alloys VK8 and T15K6 obtained by the method of electroerosive dispersion]. Vse materialy. Entsiklopedicheskii spravochnik = All materials. Encyclopedic reference, 2010, no. 7, pp. 2–6.

21. Novikov E. P., Ageeva E. V., Chumak-Zhun D. A. Izuchenie formy i morfologii poroshka, poluchennogo iz otkhodov alyuminiya metodom elektroerozionnogo dispergirovaniya [Study of the shape and morphology of powder obtained from aluminum waste by electroerosive dispersion]. Izvestiya Yugo-Zapadnogo gosudarstvennogo universiteta. Seriya: Tekhnika i tekhnologii = Proceedings of the Southwest State University. Series: Engineering and Technology, 2015, no. 4 (17), pp. 13–17.

22. Ageeva E. V., Ageev E. V., Karpenko V. Yu. Izuchenie formy i elementnogo sostava poroshka, poluchennogo iz vol'framsoderzhashchikh otkhodov instrumental'nykh materialov elektroerozionnym dispergirovaniem v vodnoi srede [Study of the form and elemental composition of powder obtained from tungsten-containing waste of tool materials by electroerosive dispersion in an aqueous medium]. Uprochnyayushchie tekhnologii i pokrytiya = Hardening technologies and coatings, 2014, no. 4 (112), pp. 14–17.

23. Ageev E. V., Ageeva E. V., Chernov A. S., Maslov G. S., Parshina E. I. Opredelenie osnovnykh zakonomernostei protsessa polucheniya poroshkov metodom elektroerozionnogo dispergirovaniya [Determination of the main regularities of the process of obtaining powders by the method of electroerosive dispersion]. Izvestiya Yugo-Zapadnogo gosudarstvennogo universiteta. Seriya: Tekhnika i tekhnologii = Proceedings of the Southwest State University. Series: Engineering and Technology, 2013, no. 1 (46), pp. 85–90.

24. Zhuravlev G. M., Sergeev N. N., Gvozdev A. E., Sergeev A. N., Ageeva E. V., Maliy D. V. Fiziko-mekhanicheskii podkhod k analizu protsessov vytyazhki s utoneniem tsilindricheskikh izdelii s prognozirovaniem deformatsionnoi povrezhdaemosti materiala [Physico-mechanical approach to the analysis of drawing processes with thinning of cylindrical products with the prediction of deformation damage of the material]. Izvestiya Yugo- Zapadnogo gosudarstvennogo universiteta. Seriya: Tekhnika i tekhnologii = Proceedings of the Southwest State University. Series: Engineering and Technology, 2016, no. 4 (67), pp. 39– 56.

25. Ageev E. V., Semenikhin B. A., Ageeva E. V., Latypov R. A. Issledovanie khimicheskogo sostava poroshkov, poluchennykh elektroerozionnym dispergirovaniem tverdogo splava [Investigation of the chemical composition of powders obtained by electroerosive dispersion of a hard alloy]. Izvestiya Yugo-Zapadnogo gosudarstvennogo universiteta. Seriya: Tekhnika i tekhnologii = Proceedings of the Southwest State University. Series: Engineering and Technology, 2011, no. 5 (38), pt. 1, pp. 138a–144.

26. Ageeva E. V., Latypov R. A., Burak P. I., Ageev E. V. Poluchenie tverdosplavnykh izdelii kholodnym izostaticheskim pressovaniem elektroerozionnykh poroshkov i ikh issledovanie [Obtaining hard-alloy products by cold isostatic pressing of electroerosive powders and their research]. Izvestiya Yugo-Zapadnogo gosudarstvennogo universiteta. Seriya: Tekhnika i tekhnologii = Proceedings of the Southwest State University. Series: Engineering and Technology, 2013, no. 5 (50), pp. 116–125.

27. Ageev E. V., Latypova G. R., Davydov A. A., Ageeva E. V. Provedenie rentgenospektral'nogo mikroanaliza tverdosplavnykh elektroerozionnykh poroshkov [Conducting X-ray spectral microanalysis of carbide electroerosion powders]. Izvestiya Yugo-Zapadnogo gosudarstvennogo universiteta. Seriya: Tekhnika i tekhnologii = Proceedings of the Southwest State University. Series: Engineering and Technology, 2012, no. 5 (44), pt. 2, pp. 99–102.

28. Ageev E. V., Gadalov V. N., Ageeva E. V., Bobryshev R. V. Poroshki, poluchennye elektroerozionnym dispergirovaniem otkhodov tverdykh splavov - perspektivnyi material dlya vosstanovleniya detalei avtotraktornoi tekhniki [Powders obtained by electroerosive dispersion of solid alloy waste - a promising material for the restoration of parts of automotive equipment]. Izvestiya Yugo-Zapadnogo gosudarstvennogo universiteta. Seriya: Tekhnika i tekhnologii = Proceedings of the Southwest State University. Series: Engineering and Technology, 2012, no. 1(40), pt. 1, pp. 182–189.

29. Ageev E. V., Gadalov V. N., Serebrovsky V. I., Semenikhin B. A., Ageeva E. V., Latypov R. A., Gnezdilova Yu. P. Issledovanie granulometricheskogo sostava poroshkov, poluchennykh eletroerozionnym dispergirovaniem tverdogo splava i ispol'zuemykh pri vosstanovlenii i uprochnenii detalei avtotraktornoi tekhniki [Investigation of the granulometric composition of powders obtained by electroerosive dispersion of a hard alloy and used in the restoration and hardening of parts of automotive equipment]. Vestnik Kurskoi gosudarstvennoi sel'skokhozyaistvennoi akademii = Bulletin of the Kursk State Agricultural Academy, 2010, no. 4, pp. 76–79.

30. Latypov R. A., Ageev E. V., Davydov A. A. Vosstanovlenie i uprochnenie detalei mashin i instrumenta s ispol'zovaniem poroshkov, poluchennykh elektroerozionnym dispergirovaniem vol'framsoderzhashchikh otkhodov [Restoration and hardening of machine and tool parts using powders obtained by electroerosive dispersion of tungsten-containing waste]. Remont. Vosstanovlenie. Modernizatsiya = Repair. Recovery. Modernization, 2013, no. 12, pp. 23–28.