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Evaluation of effective absorption coefficient during laser irradiation using of metals martensite transformation |
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| Authors: | A A Yevtushenko S J Matysiak K Rozniakowski |
| Institution: | (1) The Faculty of Mechanical Engineering, Bialystok University of Technology, 45C Wiejska Street, 15-351 Bialystok, Poland;(2) Institute of Applied Problems of Mechanics and Mathematics, Ukrainian National Academy of Sciences, 3b Naukova Street, 79-053 Lviv, Ukraine;(3) Faculty of Technical Physics, Informatics and Applied Mathematics, Technical University of Lodz, 219 Wolczanska Street, 93-005 Lodz, Poland |
| Abstract: | The paper presents a method for determination of effective absorption coefficient of irradiation during action of a pulsed laser. For this purpose the solution of some axisymmetrical boundary value problem of heat conduction for half-space and the experimentally obtained polymorphous zones of transformation in the exposed materials are applied. The verification of the methodology is given for St 45 steel and the monocrystal cobalt samples. |
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