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Meeting Materials Science & Technology 2020
Symposium Additive Manufacturing of Ceramic-based Materials: Process Development, Materials, Process Optimization and Applications
Presentation Title Uncertainty Quantification in Additive Manufacturing of Piezocomposites through Physics-informed Data-driven Modelling
Author(s) Zhuo Wang, Li He, Chen Jiang, Zhen Hu, Xuan Song, Lei Chen
On-Site Speaker (Planned) Lei Chen
Abstract Scope A significant challenge for additively manufactured (AM-ed) piezocomposites is the presence of heterogeneous sources of uncertainty that lead to variability in the properties. We aims to develop a deep learning (DL)-enabled data-driven uncertainty quantification (UQ) method that leverages (1) extensive physics-based simulation data, and (2) a limited amount of experimental data. A two-scale computational model is developed to concurrently account for the porous microstructure in the ceramic grain scale and the complex 3D polymer-ceramic interfacial geometry to generate the data for UQ analysis. To reduce the effect of model-based uncertainty that is presented in the DL model, a Bayesian calibration framework will be utilized to calibrate and correct the DL-based model using limited expensive-but-realistic experimental data. With the reduced effect of epistemic uncertainty by using sufficient data and/or experimental calibration and validation, the data-driven GSA approach will then be used to quantify the physics-based uncertainty with a high confidence.
Proceedings Inclusion? Undecided


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Effects of Printing Parameters on Microstructure and Mechanical Properties of Binder Jet 3D Printed WC-Co
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Geometry Limitations of Indirect Laser Sintering of Alumina
Hybrid Additive Manufacturing Technology Applied to Si3N4 Freeform Components Fabrication
Initiation of Selective Laser Flash Sintering in Yttria-Stabilized Zirconia
Laser-based Additive Manufacturing of Bi-metallic & Tri-metallic Oxide Layers
Manufacturing, Microstructure and Compressive Mechanical Properties of WC-12Co Cermet Material Fabricated by Direct Energy Deposition
Process Parameter Variations and 3D Printing of Ceria Ceramics
Sintering, Characterization and Evaluation of Ceramics Recycled from Waste Soda-lime-Silica Glass and White Corn Cob Ash
Temporary Coating for Binder Jet 3D Printed Tungsten Carbide-Cobalt Parts
Toughening of SiC-based Ceramics by Chopped Fiber via Selective Laser Sintering: Preliminary Thinking and Attempts
Ultra-fast, Selective Laser Sintering during Additive Manufacturing of Alumina
Uncertainty Quantification in Additive Manufacturing of Piezocomposites through Physics-informed Data-driven Modelling

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