Sensitivity Analysis of Process Parameters in Laser Deposition

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Date

2005-08-30

Authors

Fan, Zhiqiang
Phatak, Kaushik
Liou, Frank

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Abstract

In laser cladding with powder injection process, process output parameters, including melt pool temperature and melt pool dimensions, are critical for part quality. This paper uses simulation and experiments to investigate the effect of the process input parameters: laser power, powder mass flow rate, and scanning speed on the output parameters. Numerical simulations and experiments are conducted using a factorial design. The results are statistically analyzed to determine the significant factors and their interactions. The simulation results are compared to experimental results. The quantitative agreement/disagreement is discussed and further research is outlined.

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