Conclusions
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1.
Alloying the alloy AL25 with the aid of laser radiation helps refine its structure and increase its hardness.
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2.
The distribution of alloying elements in the fused layer is uniform and does not depend on the amount of added elements.
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3.
A uniform layer with good physical and mechanical properties can be obtained by enriching the surface layer with alloying additions in amounts determined by the limit of their solubility in the matrix of the base metal.
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Literature cited
V. I. Volgin, "The effect of laser alloying of the surface on the hardness of the aluminum alloy AL25," Poverkhnost'. Piz., Khi., Mekh., No. 1, 125 (1983).
Yu. M. Lakhtin, Ya. D. Kogan, and V. N. Podrugin," Thermochemical laser treatment of aluminum and aluminum base alloys", in: New Processes of Surface Strengthening of Metals, TsNIITÉItyazhmash, Moscow (1982), p. 5.
Modern Materials in Motor Car Construction (Handbook) [in Russian], Mashinostroenie, Moscow (1977).
N. I. Varich and K. E. Kolesnichenko, "The effect of high cooling rates on the structure and properties of aluminum alloys," Izv. Vyssh. Uchebn. Zaved., Ser.: Tsvetnye Met., No. 4, 131 (1960).
Additional information
Scientific and Production Association "NIITavoprom." Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 5, pp. 24–25, May, 1988.
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Bogolyubova, I.V., Deriglazova, I.F. & Mul'chenko, B.F. Surface alloying of alloy AL25 by laser. Met Sci Heat Treat 30, 348–350 (1988). https://doi.org/10.1007/BF00701043
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DOI: https://doi.org/10.1007/BF00701043