Selective laser melting (SLM) is a powder bed based additive manufacturing (AM) process to manufacture metallic parts. SLM is the complex thermal-physical-chemical process of the interaction between a laser source and metallic powders. The SLM printing method has been applied widely for fabricating the metallic parts. However, the high temperature in heating and fast cooling during SLM process result in the large residual stress which affects to the quality of the SLM printed parts such as distortion and cracks. This research proposes to develop a system for predicting the quality of the part from the manufacturing planning to remove the failures before carrying out the real printing process. For developing such system, a model for predicting the temperature distribution should be generated. From this model, an interrelationship between process parameters and temperature distribution should be derived out. Based on that, the deformation can be predicted by calculating residual stress along with the result of temperature distribution.
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ASME 2018 13th International Manufacturing Science and Engineering Conference
June 18–22, 2018
College Station, Texas, USA
Conference Sponsors:
- Manufacturing Engineering Division
ISBN:
978-0-7918-5135-7
PROCEEDINGS PAPER
Prediction of Temperature Distribution and Residual Stress in SLM Printed Parts Available to Purchase
Hong-Seok Park,
Hong-Seok Park
University of Ulsan, Ulsan, South Korea
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Ngoc-Hien Tran,
Ngoc-Hien Tran
University of Transport and Communications, Hanoi, Vietnam
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Ansari Md Jonaet
Ansari Md Jonaet
University of Ulsan, Ulsan, South Korea
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Hong-Seok Park
University of Ulsan, Ulsan, South Korea
Ngoc-Hien Tran
University of Transport and Communications, Hanoi, Vietnam
Ansari Md Jonaet
University of Ulsan, Ulsan, South Korea
Paper No:
MSEC2018-6440, V001T01A036; 8 pages
Published Online:
September 24, 2018
Citation
Park, H, Tran, N, & Jonaet, AM. "Prediction of Temperature Distribution and Residual Stress in SLM Printed Parts." Proceedings of the ASME 2018 13th International Manufacturing Science and Engineering Conference. Volume 1: Additive Manufacturing; Bio and Sustainable Manufacturing. College Station, Texas, USA. June 18–22, 2018. V001T01A036. ASME. https://doi.org/10.1115/MSEC2018-6440
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