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SBIR-STTR Award
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SBIR-STTR Award
10
Innovative Tools for Structural Diagnostics of Rotorcraft Fatigue Critical Composite Parts
Award last edited on: 1/26/2015
Sponsored Program
SBIR
Awarding Agency
NASA : LaRC
Total Award Amount
$99,858
Award Phase
1
Solicitation Topic Code
-----
Principal Investigator
Yuriy Nikishkov
Company Information
Numerical Technology Company
120 Annie Cook Way
Roswell, GA 30076
(404) 840-2378
N/A
N/A
Location:
Single
Congr. District:
06
County:
Fulton
Phase I
Contract Number:
----------
Start Date:
----
Completed:
----
Phase I year
2011
Phase I Amount
$99,858
We propose the development of a validated analysis tool to characterize manufacturing defects and structural damage in composite parts. The objective of Phase I is to develop and verify a technology for accurate characterization of manufacturing defects and structural damage in fatigue-critical fiberglass/epoxy and carbon/epoxy composite structures based on three-dimensional micro-focus CT measurements. Key requirements for the diagnostic technology include: (a) ability to generate accurate subsurface geometry data for a composite structure with manufacturing defects (such as wrinkles and voids) and structural damage (matrix cracks and delaminations) based on the micro-focus CT measurements; and (b) automated ability to convert the geometry data into three-dimensional structural finite element models for assessment of the effects of defects and structural damage. Ability to measure the manufacturing defects and structural damage and understand their effects is a key to accurate assessment of part condition and condition based maintenance for composite fatigue-critical, flight-critical components and structure. Automated interpretation of nondestructive measurement of subsurface defects and structural damage is required for accurate structural diagnostics. Defect and damage measurement aided by rudimentary tools such as a ruler or a caliper could result in unacceptable measurement variation and affect the objectivity at making disposition decision of the affected part. Tools for rotorcraft diagnostics and condition based maintenance developed in the proposed effort will provide a mechanism to merge state-of-the-art in the nondestructive measurement and the durability and damage tolerance methods for composites and the implementation of the algorithms in commercial software.
Phase II
Contract Number:
----------
Start Date:
----
Completed:
----
Phase II year
----
Phase II Amount
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