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Updated: Sep 12, 2025
08:32
Indirect Fabrication of Lattice Metals with Thin Sections Using Centrifugal Casting
Published on: May 14, 2016
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LatticeAnalytics: Strut-Level Visualization and Inspection of Additively Manufactured Lattice Structures
IEEE Transactions on Visualization and Computer Graphics
|August 6, 2025
Summary
LatticeAnalytics offers a novel framework for inspecting defects in additive manufacturing lattice structures using X-ray Computed Tomography data. This tool enhances the validation of complex parts, accelerating the development of novel materials and components.
Area of Science:
- Materials Science and Engineering
- Additive Manufacturing
- Metrology and Inspection
Background:
- Additive manufacturing (AM) enables complex geometries for high-performance parts, crucial in medicine and defense.
- Internal lattice structures optimize strength-to-weight ratios but pose validation challenges.
- Current X-ray Computed Tomography (XCT) data analysis is difficult for complex lattice validation, hindering material scientists' innovation.
Purpose of the Study:
- To introduce LatticeAnalytics, a novel framework for visual inspection of defects in AM lattice structures.
- To provide an end-to-end solution for XCT data management, remote access, and novel visualization.
- To facilitate the development of novel AM parts by addressing validation bottlenecks.
Main Methods:
- Developed a framework for XCT scan data management and web-based remote access.
- Implemented a coarse alignment using VR for initial registration, followed by offline strut identification.
- Enabled subvolume querying of individual struts at multiple resolutions for efficient analysis.
- Introduced novel visual encodings: Contour View and Roughness Map for strut quality assessment.
Main Results:
- The LatticeAnalytics framework provides an end-to-end solution for defect inspection in AM lattices.
- Novel visualizations (Contour View, Roughness Map) offer rapid assessment of strut quality.
- Subvolume querying and parallelization improve computational efficiency for strut-specific metrics.
- Expert interviews confirmed the framework's practicality and effectiveness in enhancing inspection workflows.
Conclusions:
- LatticeAnalytics significantly improves the validation process for complex AM lattice structures.
- The framework addresses key bottlenecks, empowering material scientists to create novel AM parts with advanced properties.
- This work facilitates the broader adoption and advancement of high-performance additive manufacturing.
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