NASA Langley Research Center – TechConnect Briefs

Properties of Multifunctional Hybrid Carbon Nanotube/ Carbon Fiber Polymer Matrix Composites

Cano R.J., Kang J.H., Grimsley B.W., Ratcliffe J.G., Siochi E.J., NASA Langley Research Center, US

Carbon nanotubes (CNTs) have been studied extensively since their discovery and demonstrated at the nanoscale to have superior mechanical, electrical and thermal properties in comparison to micro and macro scale properties of conventional engineering materials. [...]

High Volume Fraction Carbon Nanotube Composites for Aerospace Applications

Siochi E.J., NASA Langley Research Center, US

Reported mechanical properties of carbon nanotubes (CNTs) at the nanoscale suggest their potential to enable significantly lighter structures of interest in space applications. However, their utility depends on the retention of these properties in bulk [...]

Aerospace Applications for Surface Acoustic Wave Devices

Wilson W., NASA Langley Research Center, US

Surface acoustic wave (SAW) technology can be used to create a variety of different sensors, including strain, chemical, pressure, and temperature. These sensors can be configured to be passive and wireless, which could be useful [...]

Temperature and Strain Coefficient of Velocity for Langasite SAW Devices

Wilson W.C., Atkinson G.M., NASA Langley Research Center, US

Surface Acoustic Wave sensors on Langasite substrates are being investigated for aerospace applications by NASA’s Vehicle Systems Safety Technologies (VSST) project. Strain sensors are being developed using the Langasite. Characterization of the Langasite material properties [...]

Temperature and Strain Response of a Surface Acoustic Wave Sensor

Wilson W.C., Atkinson G.M., NASA Langley Research Center, US

A new multifunctional temperature and strain sensor is being investigated. The new sensor is based upon Surface Acoustic Wave (SAW) technology on a Langasite substrate. SAW sensors can be developed that respond to changes in [...]

Space Applications for Wireless Sensors

Wilson W.C., Atkinson G.M., NASA Langley Research Center, US

Reducing the weight of spacecraft will reduce both fabrication and launch costs. The elimination of wiring and wiring harnesses reduces the total mass of the vehicle. Wireless sensor technology can reduce the weight and therefore [...]

Modeling of a Surface Acoustic Wave Strain Sensor

Wilson W.C., Atkinson G.M., NASA Langley Research Center, US

NASA’s Integrated Vehicle Health Monitoring (IVHM) project is investigating new detection technologies that will increase aviation safety by monitoring the structural health of aerospace vehicles during flight. These new technologies must be rugged, light weight [...]

Affiliations: NASA Langley Research Center

Properties of Multifunctional Hybrid Carbon Nanotube/ Carbon Fiber Polymer Matrix Composites

High Volume Fraction Carbon Nanotube Composites for Aerospace Applications

Aerospace Applications for Surface Acoustic Wave Devices

Temperature and Strain Coefficient of Velocity for Langasite SAW Devices

Temperature and Strain Response of a Surface Acoustic Wave Sensor

Space Applications for Wireless Sensors

Modeling of a Surface Acoustic Wave Strain Sensor

A Comparison of Surface Acoustic Wave Modeling Methods

Frequency Domain Modeling of SAW Devices

Parameterizable Library Components for SAW Devices