The effect of absorption ratio on meltpool features in laser-based powder bed fusion of IN718

Optics & Laser Technology(2022)

Cited 66|Views14
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Abstract
•The effect of different process parameters on laser absorption ratio, meltpool temperature, and meltpool depth have been investigated.•The mechanism of irradiation and reflection in meltpool have been studied.•The mathematical model between absorption ratio as a function of scanning speed and laser power is developed.
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Key words
Additive Manufacturing,Meltpool depth,Laser-based powder bed fusion,Absorption ratio
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