Structural repair having optical witness and method of monitoring repair performance
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United States of America Patent
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Apr 3, 2018
Issued Date -
N/A
app pub date -
May 27, 2015
filing date -
May 5, 2011
priority date (Note) -
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Abstract
A structural repair includes a tell-tale optical witness that allows the health of the repair to be visually monitored. The optical witness includes a stress sensitive fluorescent dye that shows changes in local strain/stress patterns when the repair is subjected to electromagnetic energy of a particular wavelength. The dyes fluoresce more or less strongly as a function of the local stress/strain.
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International Classification(s)
- B23P:OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVE....
- G01M:TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR S....
- B29C:SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTAN....
- G01L:MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL ....
- B64F:GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS
- G01B:MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIME....
- B32B:LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA....
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