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Within the scope of a European programme dealing with the comparison of various cutting tools with a view of nuclear plant decommissioning applications, contract FI2D-0047 aims at evaluating the cutting abilities of metallic structures (304L stainless steel) with a CO(2) laser and a pulsed yttrium aluminium garret (YAG) laser, and to compare the performances obtained. The usual cut in air and the underwater cutting methods were compared. The paper presents the whole experimental setup involved, the parametric study carried out in air and under water. The cutting results of both types of laser are then given. This comparison concerns, on the one hand, the cutting performances (process implementation, maximum plate thickness achieved, cutting speed and quality) and, on the other hand, a by-products balance (sedimented dross, aerosols, suspended particles in water, gas and chemical analysis). The present paper summarizes the results and points out the pulsed YAG laser advantages within the particular scope of nuclear plant decommissioning.

Additional information

Authors: ALFILLÉ J P ET AL, CEA, CEN Saclay, Gif-sur-Yvette (FR);FRÉDÉRICK P ET AL, Radius Engineering, Gand (BE)
Bibliographic Reference: EUR 16854 FR (1996) 50pp., FS, ECU 7.00
Availability: Available from the (2)
ISBN: ISBN 92-827-6470-2
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