For DL-125, a slight trend could be obtained for a decreased W 2 as ∆ offset increases due to the longer cooling time between the laser energy inputs.
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Dual-Laser PBF-LB Processing of a High-Performance Maraging Tool Steel FeNiCoMoVTiAl.
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The sentences
For the dual-laser processing with offset distances between 1 mm and 4 mm, the results show a significant trend to a higher microhardness, with values up to 471 HV0.1 for DL-125 and DL-200.