Prediction of molten pool temperature and processing quality in laser metal deposition based on back propagation neural network algorithm

Jiali Gao,Chi Wang,Yunbo Hao,Xu Wang,Kai Zhao,Xiaohong Ding

Optics & Laser Technology（2022）

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摘要

•Molten pool temperature and processing quality in LMD process were predicted.•Orthogonal experiment method was applied in sample preparation.•BPNN, RF and RSM prediction models were built.•BPNN model was superior to the RF and RSM model in LMD process parameter prediction.

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关键词

Laser metal deposition,Molten pool temperature,Back propagation neural network,Random forest,Response surface methodology

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