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Bulletin of the South Ural State University. Ser. Metallurgy.
2015, vol. 15, no. 1, pp. 103-106
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16 2015 .
ABRASIVE AND IMPACT-ABRASIVE WEAR RESISTANCE OF SOLID WELD DEPOSITS
S.P. Nefed'ev, Nosov Magnitogorsk State Technical University, Magnitogorsk, Russian Federation, sergeynefedyeff@gmail.com,
R.R. Dema, Nosov Magnitogorsk State Technical University, Magnitogorsk, Russian Federation, demarr@mail.ru,
D.A. Kotenko, Nosov Magnitogorsk State Technical University, Magnitogorsk, Russian Federation, sergeynefedyeff@gmail.com
Machinery mining machines and metallurgical equipment fail due to abrasion during operation. Wear and tear causes the working surfaces to be reconstructed, which means costs and the increase of machine price. Therefore, the development of materials and technologies that will significantly increase the wear resistance of these parts without significant costs is an important task. The most promising here is the use of plasma-powder surfacing for wearing surface details. To fulfill the task a special surfacing powder, which is a high-carbon alloy of eutectic composition, was created. Due to optimal alloy building deposited coatings have high values of hardness, abrasion and impact-abrasive wear resistance. Moreover, the increase of wear resistance during surfacing by the proposed powder resulted from the refinement of the structure and from the orientation of its growth in the direction of force application.
Keywords: plasma welding, wear resistance, hard coating.
. ». 2015. . 15, 1. . 103-106
,
References
1. L.I. Kuksenova, V.G. Lanteva, A.G. Kolmakov, L.I. Rybakova. Metody ispytaniya na trenie i iznos [Test Methods for Friction and Wear]. Moscow, Intermet Engineering Publ., 2001. 153 p.
2. Nefed'ev S.P. Osobennosti struktury i svoystva poverkhnostnykh sloev uglerodistykh staley s plazmennym uprochneniem i naplavkoy kompleksno-legirovannym belym chugunom. Kand. diss. [Features of the Structure and Properties of Surface Layers of Carbon Steel with a Plasma Hardening and Deposition of a Complex-Alloyed White Cast Iron. Cand. Diss.]. Magnitogorsk, 2012. 136 p.
3. Sil'man G.I., Frol'tsov M.S., Zhukov A.A. Characteristics of the Microstructure and Distribution of Elements in Complex-Alloy White Cast Irons. Metal Science and Heat Treatment, 1981, vol. 23, no. 1, pp. 64-68. doi: 10.1007/BF00700309.
4. Emelyushin A.N., Petrochenko E.V., Nefed'ev S.P. [The Study of the Structure and Impact-Abrasive Wear Resistance of Coatings of the Fe-C-Cr-Mn-Si System, Optionally Doped with Nitrogen]. Svarochnoe proiz-vodstvo, 2011, no. 10, pp. 18-22. (in Russ.)
Received 16 January 2015

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REFERENCE TO ARTICLE
Nefed'ev S.P., Dema R.R., Kotenko D.A. Abrasive and Impact-Abrasive Wear Resistance of Solid Weld Deposits. Bulletin of the South Ural State University. Ser. Metallurgy, 2015, vol. 15, no. 1, pp. 103-106. (in Russ.)
Bulletin of the South Ural State University. Ser. Metallurgy.
2015, vol. 15, no. 1, pp. 103-106