Theoretical grounds for the use of metal multilayer structures in the manufacturing and repair of agricultural machinery

Fatigue failure is the most common type of failure of agricultural machinery parts. When designing parts of agricultural machinery, some scientists suggest using metal multilayer structures. In order to justify the use of metal multilayer structures, as well as to determine the possible ways to increase their fatigue strength, the authors conducted an analytical review of scientific literature on fatigue failure of metal multilayer structures. They considered some specific features of the implementation of the additive technology of sheet lamination using the case of manufacturing agricultural machinery parts. As a result, they have determined the influence of thickness, number and properties of layers and interlayer boundaries on the fatigue strength of metal samples with a multilayer structure, obtained using the conventional technologies by explosion welding or hot packet rolling, and parts with similar multilayer structure, obtained using the additive sheet lamination technology. The authors considered an example of fatigue failure of a part with mechanical and adhesive bonding of layers. Based on the analysis results, they proposed technical approaches to the additive manufacturing of metal parts with a multilayer structure, providing an increase in their fatigue resistance. They have offered recommendations on the selection of initial metal sheets for cutting out sheet patterns, on determining thickness and total number of the patterns, on making holes in the patterns serving to connect them with mechanical fasteners, as well as to reduce weight to ensure topological optimization. The task of further research of strength properties of metal multilayer structures is the experimental determination of the relationship type between the fatigue failure of a part and the number of its composition layers.

1. Erokhin M.N., Leonov O.A., Shkaruba N.J., Vergazova Y.G., Skorokhodov D.M. Production and repair of domestic machines for agroindustrial complexes from the position of the 5M principle. Vestnik Mashinostroeniya. 2023;8:701-704. (In Russ.) https://doi.org/10.36652/0042-4633-2023-102-8-701-704

2. Leonov O.A., Shkaruba N.J., Temasova G.N., Vergazova Yu.G., Golinitsky P.V. Calculation of the tolerance of the fit with a gap to increase the relative wear resistance of joints. Friction and Wear. 2023;44(3):261-269. (In Russ.) https://doi.org/10.32864/0202-4977-2023-44-3-261-269

3. Prikhodko E.A., Nikulina A.A., Bataev I.A., Popelyukh A.I., Bataev A.A., Lozhkin V.S. Structure and fatigue crack resistance of multilayer composite “Steel 20 – Steel 12Х18Н10Т” obtained by explosion welding. Deformation and Fracture of Metals. 2013;3:28-34. (In Russ.)

4. Didyk R.P., Kozechko V.A. Multilayer structures of increased crack resistance formed by explosion welding. Automatic Welding. 2015;2:54-57. (In Russ.)

5. Bataev I.A. Structure of explosively welded materials: experimental study and numerical simulation. Obrabotka metallov (tekhnologiya, oborudovanie, instrumenty) = Metal Working and Material Science. 2017;77(4):55-67. (In Russ.)

6. Patselov A.M., Lavrikov R.D., Gladkovskii S.V., Kamantsev I.S. Fracture toughness of Ti–Al3ti–Al–Al3ti laminate composites under static and cyclic loading conditions. Russian Metallurgy (Metally). 2015;2015(10):811-815. (In Russ.)

7. Minakov A.A., Plokhikh A.I. About the influence of deformation mechanisms on the increase of cyclic durability in multilayer steel materials. Problems of mechanics of modern machines: Proceedings of the VII International Scientific Conference. Ulan-Ude: Izd-vo VSGUTU. 2018;1:259-262. (In Russ.)

8. Minakov A.A., Titova A.S., Buketkin B.V. Investigation of multilayer steel materials behavior in low-cycle fatigue under alternating bending with strong loading. New Materials and Technologies in Mechanical Engineering. 2019;29:51-57. (In Russ.)

9. Tolochko N.K., Sokol O.V. Methodological aspects of the efficiency assessment of additive sheet lamination technology. Machine Building Vestnik. 2020;10:11-15. (In Russ.)

10. Tolochko N.K., Avramenko P.V., Kravtsov V.B., Levshukov A.P. Experience of cooperation between BGATU and MHS in the field of agricultural machinery production. Technical and personnel support of innovative technologies in agriculture: mater. International scientific-practical conf. (Minsk, October 16-17, 2024). Minsk: BGATU, 2024;2:26-27. (In Russ.)

11. Klevtsov G.V., Merson D.L., Klevtsova N.A. et al. Kinetics and mechanism of fatigue failure of samples from 40X and 38Х2Н-2МА steels. Vector of Science TSU. 2019;1(47):30-36. (In Russ.)

12. Popelyukh A.I., Popelyukh P.A., Bataev A.A. Features of nucleation and growth of fatigue cracks in steel under repeated dynamic compression. Physics of Metals and Metallurgy. 2016;117(3):291. (In Russ.)

13. Walczyk D.F., Dolar N.Y. Bonding Methods for Laminated Tooling. Proc. Solid Freeform Fabrication Symp. Austin, Texas, USA, 1997:211-221.

14. Tolochko N.K., Sokol O.V. Additive technologies: the problem of stepped surface relief. Agropanorama. 2019;2:12-16. (In Russ.)