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Predicting the Printability in Selective Laser Melting with a Supervised Machine Learning Method.

ABSTRACT: Though selective laser melting (SLM) has a rapidly increasing market these years, the quality of the SLM-fabricated part is extremely dependent on the process parameters. However, the current metallographic examination method to find the parameter window is time-consuming and involves subjective assessments of the experimenters. Here, we proposed a supervised machine learning (ML) method to detect the track defect and predict the printability of material in SLM intelligently. The printed tracks were classified into five types based on the measured surface morphologies and characteristics. The classification results were used as the target output of the ML model. Four indicators had been calculated to evaluate the quality of the tracks quantitatively, serving as input variables of the model. The data-driven model can determine the defect-free process parameter combination, which significantly improves the efficiency in searching the process parameter window and has great potential for the application in the unmanned factory in the future.

SUBMITTER: Chen Y 

PROVIDER: S-EPMC7698234 | biostudies-literature | 2020 Nov

REPOSITORIES: biostudies-literature

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Predicting the Printability in Selective Laser Melting with a Supervised Machine Learning Method.

Chen Yingyan Y   Wang Hongze H   Wu Yi Y   Wang Haowei H  

Materials (Basel, Switzerland) 20201110 22

Though selective laser melting (SLM) has a rapidly increasing market these years, the quality of the SLM-fabricated part is extremely dependent on the process parameters. However, the current metallographic examination method to find the parameter window is time-consuming and involves subjective assessments of the experimenters. Here, we proposed a supervised machine learning (ML) method to detect the track defect and predict the printability of material in SLM intelligently. The printed tracks  ...[more]

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