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FEM Simulation of AlSi10Mg Artifact for Additive Manufacturing Process Calibration with Industrial-Computed Tomography Validation.

作者信息

Patuelli Cesare, Cestino Enrico, Frulla Giacomo, Valente Federico, Servetti Guido, Esposito Fabio, Barbero Luca

机构信息

Department of Mechanical and Aerospace Engineering (DIMEAS), Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Torino, Italy.

ITACAe S.r.l, Via Calosso 3, 14100 Asti, Italy.

出版信息

Materials (Basel). 2023 Jun 30;16(13):4754. doi: 10.3390/ma16134754.

DOI:10.3390/ma16134754
PMID:37445068
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10342916/
Abstract

Dimensional accuracy of selective laser melting (SLM) parts is one of manufacturers' major concerns. The additive manufacturing (AM) process is characterized by high-temperature gradients, consolidation, and thermal expansion, which induce residual stress on the part. These stresses are released by separating the part from the baseplate, leading to plastic deformation. Thermo-mechanical finite elements (FE) simulation can be adopted to determine the effect of process parameters on final geometrical accuracy and minimize non-compliant parts. In this research, a geometry for process parameter calibration is presented. The part has been manufactured and then analyzed with industrial computed tomography (iCT). An FE process simulation has been performed considering material removal during base plate separation, and the computed distortions have been compared with the results of the iCT, revealing good accordance between the final product and its digital twin.

摘要
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4e99/10342916/db01fdf7ee7c/materials-16-04754-g015.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4e99/10342916/32ded1580e02/materials-16-04754-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4e99/10342916/bada62d10f63/materials-16-04754-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4e99/10342916/96afd9f1c053/materials-16-04754-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4e99/10342916/4dd08a382307/materials-16-04754-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4e99/10342916/47dbcb0ebede/materials-16-04754-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4e99/10342916/d27893e86272/materials-16-04754-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4e99/10342916/677c18bb2c41/materials-16-04754-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4e99/10342916/f7f77656f438/materials-16-04754-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4e99/10342916/349456b06e48/materials-16-04754-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4e99/10342916/1dda2a19a037/materials-16-04754-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4e99/10342916/0eaeb5af6598/materials-16-04754-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4e99/10342916/fa6a71d4ae07/materials-16-04754-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4e99/10342916/a4fceb963ce4/materials-16-04754-g013.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4e99/10342916/6606f61f6d67/materials-16-04754-g014.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4e99/10342916/db01fdf7ee7c/materials-16-04754-g015.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4e99/10342916/32ded1580e02/materials-16-04754-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4e99/10342916/bada62d10f63/materials-16-04754-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4e99/10342916/96afd9f1c053/materials-16-04754-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4e99/10342916/4dd08a382307/materials-16-04754-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4e99/10342916/47dbcb0ebede/materials-16-04754-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4e99/10342916/d27893e86272/materials-16-04754-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4e99/10342916/677c18bb2c41/materials-16-04754-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4e99/10342916/f7f77656f438/materials-16-04754-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4e99/10342916/349456b06e48/materials-16-04754-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4e99/10342916/1dda2a19a037/materials-16-04754-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4e99/10342916/0eaeb5af6598/materials-16-04754-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4e99/10342916/fa6a71d4ae07/materials-16-04754-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4e99/10342916/a4fceb963ce4/materials-16-04754-g013.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4e99/10342916/6606f61f6d67/materials-16-04754-g014.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4e99/10342916/db01fdf7ee7c/materials-16-04754-g015.jpg

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Materials (Basel). 2018 Dec 24;12(1):47. doi: 10.3390/ma12010047.