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Smart materials: strain sensing and stress determination by means of nanotube sensing systems, composites, and devices
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Copyright Year | 2010 |
| Description | The present invention is directed toward devices comprising carbon nanotubes that are capable of detecting displacement, impact, stress, and/or strain in materials, methods of making such devices, methods for sensing/detecting/monitoring displacement, impact, stress, and/or strain via carbon nanotubes, and various applications for such methods and devices. The devices and methods of the present invention all rely on mechanically-induced electronic perturbations within the carbon nanotubes to detect and quantify such stress/strain. Such detection and quantification can rely on techniques which include, but are not limited to, electrical conductivity/conductance and/or resistivity/resistance detection/measurements, thermal conductivity detection/measurements, electroluminescence detection/measurements, photoluminescence detection/measurements, and combinations thereof. All such techniques rely on an understanding of how such properties change in response to mechanical stress and/or strain. |
| File Size | 1409375 |
| Page Count | 18 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_20100027567 |
| Archival Resource Key | ark:/13960/t2c878r48 |
| Language | English |
| Publisher Date | 2010-06-01 |
| Access Restriction | Open |
| Subject Keyword | Composite Materials Patents Stress Distribution Photoluminescence Carbon Nanotubes Electroluminescence Perturbation Detection Smart Materials Displacement Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science |
| Content Type | Text |
| Resource Type | Patent |
