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There have been conducted researches for the presence of defects in specimens of repined carbonyl iron after the treatment by continuous radiation of C02-laser under subcritical conditions. High degree of presence of the defects is characterized by appearance of cellular dislocation structure and by considerable oversaturation of vacancies. There have been also investigated the conditions of realization of an accelerated diffusion of boron in iron and steels in treating by continuous radiation of CD2-- laser. It was revealed that the boron redistribution from the previously created layer of borides on the metal surface is accomplished in steels to the depthes of up to 3 mm. The accelerated oxygen diffusion stimulated by the laser radiation has been investigated on the basis of the obtained results of the process of internal oxidation of alloy Cu-Sn (0. 55 at 7. ). There has been proposed the model of process of accelerated transport. 2. FORMATION OF DEFECTS IN CARBONYL IRON UNDER CONTINUOUS LASER RADIATION The investigation of the defect formation under the continuous laser radiation 10. 6 sam) was conducted with the specimens (4x0. 8x80) mm of carbonyl iron 0. 008 C 0. 047 Mn Al + Si + S) refined in hydrogen atmosphere. The laser treatment was accomplished without flashing the metal surface. Treatment characteristics: radiation power P (0. 25-1. 1 kV. Specimen displacement speed under the laser beam V (10-2. 5) mm/s
Alexander D. Zvonkov andH. M. Boranbaeva
"Process of defect formation and diffusion in metals induced by laser radiation", Proc. SPIE 1352, 1st Intl School on Laser Surface Microprocessing, (1 October 1990); https://doi.org/10.1117/12.23709
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Alexander D. Zvonkov, H. M. Boranbaeva, "Process of defect formation and diffusion in metals induced by laser radiation," Proc. SPIE 1352, 1st Intl School on Laser Surface Microprocessing, (1 October 1990); https://doi.org/10.1117/12.23709