Processing parameters optimization of pulsed Nd:YAG laser cladding repairing plastic moulds

chang ming; zhang qing-mao; liao jian-hong; liu song-hao

Volume 18 Issue 09

Sep. 2006

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Article Navigation > High Power Laser and Particle Beams > 2006 > 18(09): 0-

liu fuhua, an yuying, wang qunshu, et al. Effects of pulse Gamma-ray radiation on optical fibers[J]. High Power Laser and Particle Beams, 2010, 22.

Citation:

chang ming, zhang qing-mao, liao jian-hong, et al. Processing parameters optimization of pulsed Nd:YAG laser cladding repairing plastic moulds[J]. High Power Laser and Particle Beams, 2006, 18.

liu fuhua, an yuying, wang qunshu, et al. Effects of pulse Gamma-ray radiation on optical fibers[J]. High Power Laser and Particle Beams, 2010, 22.

Citation:

chang ming, zhang qing-mao, liao jian-hong, et al. Processing parameters optimization of pulsed Nd:YAG laser cladding repairing plastic moulds[J]. High Power Laser and Particle Beams, 2006, 18.

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Processing parameters optimization of pulsed Nd:YAG laser cladding repairing plastic moulds

1.
Laboratory of Photonic Information Technology,South China Normal University,Guangzhou 510631,China

Publish Date: 2006-09-15

Abstract

Abstract

The quality of pulsed Nd:YAG laser cladding depends on the voltage, electric current, pulse length, pulse frequency, scanning speed, and beam diameter of the Nd:YAG laser. In order to fully conside the effect of these processing parameters and simplify the processes, spot overlap definition is referred. With the help of theoretic analysis, the relationship between spot overlap and three parameters (the pulse frequency, the scanning speed and the beam diameter of the Nd:YAG laser) is formulated. The experiment, which is based on lower carbon steel, is carried out with precoated layer by laser cladding Ni-base alloy. The perfect processing parameters are available,with single pulsed energy and spot overlap separately 6.7 J and 97.4% or 21 J and 69.4%.
- plastic moulds,
- repairing,
- pulsed nd:yag laser cladding,
- processing parameter,
- spot overlap

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