Structural Changes in the Surface Layer of D16 Alloy Cladded with Aluminum in the Process of Laser Heating |
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Authors: | Pokhmurs'ka H. V. |
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Affiliation: | (1) Pidstryhach Institute for Applied Problems in Mechanics and Mathematics, Ukrainian Academy of Sciences, Lviv |
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Abstract: | We demonstrate the changes in the microstructure of the surface layers of D16 alloy cladded with aluminum in the course of laser treatment. The process of melting can start for relatively low intensities of laser beams on the interface of the alloy and clad layer with subsequent propagation of the front of melting both into the bulk of the alloy and to the surface. As the intensity of laser irradiation increases, the process of melting starts from the surface and the thickness of the remelted and recrystallized layer increases. Laser heating removes textures and decreases the microhardness of the surface layers of the alloy. |
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