NDI
Designing SHM systems
SHM systems must be designed properly, including self-diagnostic ability to ensure they function as designed.
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Structural health monitoring: The toolbox
There are a broad range of SHM technologies that take advantage of a variety of sensing mechanisms. Here's a short sketch of each, accompanied by tables that indicate current uses and developmental progress.
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Structural health monitoring: NDT-integrated aerostructures
SHM moves from structural testing to an FAA-qualified inspection alternative, to reduce cost, streamline operations and mature toward lighter, more robust smart structures
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Structural health monitoring: Decades of demos build confidence
Current momentum in local structural health monitoring development can be credited to a great deal of developmental effort on the part of these system developers.
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Field repair: Step-sanding tool kit and more
Onsite repairs to damaged composite parts, historically, have involved a time-consuming process, the success of which depends on the skill and experience of the repair technician and the availability of suitable tools.
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Building TRUST in bonded primary structures
A DARPA program aims for certification via Bayesian process control system for the factory floor, bounding uncertainty and predicting reliability in real-time.
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Integrating NDI into manufacturing: Online inspection of CFRP prior to cure
Esmeralda Cuevas, head of NDT technologies at Tecnatom SA (San Sebastian de Los Reyes, Spain), details efforts of the TARGET project, which investigated how to integrate NDI into the composites manufacturing process prior to cure stage.
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Exelis Aerostructures: Salt Lake City
Braided composite shafts and struts for aircraft are its specialty, but there’s much more to this Utah, US-based rising star.
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Plant tour: ATK Aerospace Structures, Clearfield, Utah, U.S.
High-volume, high-precision fiber and tape placement for the aerospace industry are among many specialties for this composites manufacturing behemoth.
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Articulated composite booms extend reach of concrete-pumping arms
A 25% weight reduction vs. legacy steel yields economics that justify upfront cost of carbon fiber.
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