Aerospace & Defense Technology - June 2021 - 11

Military Aerospace Technology
Typical Capabilities of Advanced CT-Scan
Data Analysis Software:
* Calculate local fiber orientations and generate statistics
such as orientation tensors, or histograms locally or
globally per mesh-cell, and linear over-the-material
thickness.
* Display local fiber orientation in color code or as
vectors or tensors in 3D.
* Detect porosity within a material - either in the matrix
or the reinforcement.
* Determine local volume fractions of the reinforcing
phase for all kinds of composites.
* Measure the cell size and elongation of foams for each
cell or use the same analysis to quantify highly filled
particle-reinforced composites or powders.
* Calculate displacements and strain fields with the
digital volume correlation by comparing multiple CTscans
carried out during in-situ tests.
* Compare in-situ datasets at multiple load states for a
robust crack detection.
* Import FE meshes from any FE software to map
microstructure information or strains measured by
in-situ testing directly on the mesh.
just design flaws. Advanced inspection software can capture
these pre- and post-production states for review.
Following the R&D and prototype-production stage, successful
composite designs and process plans move to full manufacturing,
where CT analysis software can serve either in
batch or inline inspection. The frequency of these CT inspections
depends on the use case and mission-critical nature of
the component. For critical part areas-mating and joining
points on large, connected surfaces, or for post-installed highstress
geometries-CT inspection can be applied via robotics.
In this way, the most critical areas of even large surfaces are
inspected for maintenance or suspected situational failures
such as a bird strike or other stress contacts.
The Future of CT-Scan Data Analysis in Aerospace
The numerical and visual outputs from CT analysis software
will continue to improve and make reporting easier and problem
solving faster in R&D, production and aerospace and defense
ground operations. Automation is sweeping design,
manufacturing and inspection, providing improving costs
and performance for all facets of composites creation. CT
analysis specifically will help protect R&D and production investments,
and capture life-cycle knowledge from field service.
This will aid in advancing composite safety and business
viability in the aerospace industry.
This article was written by Pascal Pinter, Product Manager, Material
Research & Development, Volume Graphics (Charlotte, NC).
For more information, visit http://info.hotims.com/79414-500.
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Aerospace & Defense Technology - June 2021

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Aerospace & Defense Technology - June 2021 - Intro
Aerospace & Defense Technology - June 2021 - Sponsor
Aerospace & Defense Technology - June 2021 - Band1
Aerospace & Defense Technology - June 2021 - Band2
Aerospace & Defense Technology - June 2021 - Cov1
Aerospace & Defense Technology - June 2021 - Cov2
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