DOI: 10.18503/1995-2732-2020-18-3-34-41
Abstract
This paper presents the results of studies on a hydraulic cylinder rod hardening surface treatment using additive technologies. The authors analyzed three surface working layer hardening processing methods: surface hardening by a laser, detonation spraying, and laser cladding of a powder alloy. Surface heat treatment did not contribute to achieving the required hardness; the reason is an insufficient cooling rate, which is achieved by cooling the metal in air. Detonation spraying provided a hardened layer with a height of about 0.25 mm and a hardness of over 61 HRC. Laser cladding of the Fe-4.5Cr-4.5Mo-5.5W-4V powder material on the rod working surface allowed us to obtain a functional surface layer with a hardness of 52–54 HRC and a height of over 1.0 mm, which could be significantly increased, if necessary. This hardening method showed the potential application not only to increase the working surface wear resistance, but also to restore the geometry of parts worn during their operation.
Keywords
Additive technologies, laser cladding, hydraulic cylinder rod, detonation spraying, direct laser fusion.
For citation
Radionova L.V., Samodurova M.N., Bykov V.A., Glebov L.A., Bryk A.V. Improving the Hydraulic Cylinder Rod Surface Performance Properties by Applying Additive Technologies. Vestnik Magnitogorskogo Gosudarstvennogo Tekhnicheskogo Universiteta im. G.I. Nosova [Vestnik of Nosov Magnitogorsk State Technical University]. 2020, vol. 18, no. 3, pp. 34–41. https://doi.org/10.18503/1995-2732-2020-18-3-34-41
1. Ivanovskiy Yu.K., Morgunov K.P. Fundamentals of the hydraulic drive theory. St. Petersburg: Lan, 2018, 200 p. Available at: https://e.lanbook.com/book/102590 (Accessed July 11, 2020).
2. Marutov V.A., Pavlovskiy S.A. Gidrotsilindry: Konstruktsii i raschet [Hydraulic cylinders: designs and calculations]. Moscow: Book on Request, 2012, 172 p. (In Russ.)
3. Pneumatic and hydraulic cylinders. Ural Engineering Center: the official website. Available at: http://www.cheltec.ru (Accessed April 9, 2020).
4. Novrotsky K.L. Teoriya i proektirovanie gidro- i pnevmoprivodov: ucheb. dlya studentov vuzov po spets. “Gidravlicheskie mashiny, gidroprivody i gidroavtomatika” [Theory and design of hydraulic and pneumatic drives: textbook for university students majoring in "Hydraulic machines, hydraulic drives and hydraulic automation"]. Moscow: Mechanical Engineering, 1991, 384 p. (In Russ.)
5. Bogodukhov S.I., Kozik E.S., Loboda S.A. Improving the performance of plunger pump rods using high frequency currents. Zagotovitelnye proizvodstva v mashinostroenii [Blank Production in Mechanical Engineering], 2014, no. 6, pp. 36–39. (In Russ.)
6. Tokareva I.A., Shalimov Yu.N. Special features of chromium plating technological processes from electrolytes based on low-valent chromium compounds. Tekhnologiya mashinostroeniya [Engineering Technology], 2014, no. 1, pp. 35–41 (In Russ.)
7. Fomina R.E., et al. Nickel-based composite electrochemical coatings. Vestnik Kazan. tekhnolog. un-ta [Bulletin of Kazan Technological University], 2018, vol. 21, no. 2, pp. 70–73. (In Russ.)
8. Bykov V.A., Radionova L.V., Samodurova M.N. Restoration of the worn surface of roll necks by direct laser fusion. MAGNITOGORSK ROLLING PRACTICE 2019: Materialy IV mezhdunarodnoy molodezhnoy nauchno-prakticheskoy konferentsii [MAGNITOGORSK ROLLING PRACTICE 2019: Proceedings of the 4th International Youth Scientific-Practical Conference]. Ed. by A.G. Korchunov. Magnitogorsk: Nosov Magnitogorsk State Technical University, 2019, vol. 1, pp. 120–122. (In Russ.)
9. Samodurova M., Radionova L., Zakirov R. A study of the structural characteristics of titanium alloy products manufactured using additive technologies by combining the selective laser melting and direct metal deposition methods. Materialy [Materials], 2019, vol. 12, no. 19. doi:10.3390/ma12193269
10. Samodurova M., Radionova L., Zakirov R., A study of characteristics of aluminum bronze coatings applied to steel using additive technologies. Materialy [Materials], 2020, vol. 13, no. 461. doi:10.3390/ma13020461
11. Bykov V.A., Radionova L.V., Samodurova M.N. Recovery of a plunger pair by a detonation spraying of a functional coating. Materialy VI Mezhdunarodnoy nauchno-prakticheskoy konferentsii molodykh uchenykh i studentov: sbornik dokladov [Proceedings of the 6th International Scientific and Practical Conference of Young Scientists and Students: Collection of Papers], 2020, pp. 200–203. (In Russ.)
12. Borisov Yu.S., Petrov S.V. The use of supersonic jets in the thermal spraying technology. Avtomat. svarka [Automatic welding], 1995, no. 1, pp. 41–44. (In Russ.)
13. Borisov Yu. S., Kharlamov Yu.A., Sidorenko S.L. et al. Gazotermicheskie pokrytiya iz poroshkovykh materialov: spravochnik [Thermal Powder Coatings: A Handbook]. Kiev: Nauk. Dumka, 1987, 544 p. (In Russ.)
14. Chivavibul P., Watanabe M., Kuroda S. Development of WC–Co coatings deposited by warm spray process. J. of Thermal Spray Technology, 2008, vol. 17, no. 5–6, pp. 750–756.
15. Pleskovskikh A.Yu., Krylova S.E., Oplesnin S.P. Import-substituting technology for manufacturing parts of the oil and gas industry with the application of tungsten based wear-resistant coatings. Vestnik sovremennykh tekhnologiy [Bulletin of Modern Technologies], 2019, no. 2 (14), pp. 9–14. (In Russ.)