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AVERAGE RLB ENERGY/POWER DENSITIES

AVERAGE RLB ENERGY/POWER DENSITIES

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Conference Paper
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This work deals with the interaction between the Q-switch ruby laser beam (RLB) and surface of the AISI 302 austenitic stainless steel welding joint (SWJ) produced by a hybrid laser/arc welding process. Each of the three characteristic zones of the SWJ (base material – BM, heat affected zone – HAZ and weld metal – WM) was hit several times by the R...

Contexts in source publication

Context 1
... important for microstructural analysis is to know is there only a absorption of laser energy or there is and a shock wave. Table 1 summarizes the results of the experimentally obtained sizes of the RLB interaction areas and of the calculated values of the RLB E/PDs. Although is not shown in Table 1, a certain scattering (errors) in the RLB E/PD values has existed due to an errors that were previously introduced during the determination of the sizes of the RLB interaction areas from the SEM macrographs (Figures 2-6). ...
Context 2
... 1 summarizes the results of the experimentally obtained sizes of the RLB interaction areas and of the calculated values of the RLB E/PDs. Although is not shown in Table 1, a certain scattering (errors) in the RLB E/PD values has existed due to an errors that were previously introduced during the determination of the sizes of the RLB interaction areas from the SEM macrographs (Figures 2-6). These errors came from an irregular (elliptic-like) shape of RLB spots, which was the result of a small deviations in positioning the sample at an angle of 90 degrees (especially weld seam part was not perpendicular to laser beam cross section). ...

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