Characterization of the electromechanical properties of IMPC
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ionic polymer-metal composites (IMPC) electroactiv↗
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Results for “LiH”
Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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Measurement and estimation of the power density of ionomeric polymer-metal composites (IPMC)
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characterization image processing actuators active↗
Characterization of the electromechanical properties of ionic polymer-metal composite
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electroactive polymers (EAP) ionomeric polymer-met↗
Investigation of the Survivability of a Non-Ablative Aeroshell Composed of Carbon-Carbon Composites and Carbon Aerogel
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Aeroshell carbon/carbon composites aerogel↗
Distributed Modal Signal of Thin Paraboloidal Shells
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Modal Signal FEM Shell↗
NDE of Composites Using Leaky Lamb Waves (LLW)
The leaky Lamb wave (LLW) technique is approaching a maturity level that is making it an attractive quantitative NDE tool for composites and bonded joints.
constants plate wave modes↗
Characterization of the electromechanical properties of EAP material
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paint NDE automation robotics↗
Precision actuation of micro-space structures
This paper reports a study of precision actuation and control for micro-shell laminated space structures made of smart materials.
space structure control Piezo electric material↗
Precision actuation of micro-space structures
This paper evaluates the precision control of struts of the micro-space shell structure.
actuation control space structures↗
Advanced Actuation for the Millennium - Challenge and Opportunity
Through the demanding of automation and miniaturization in many applications, it can be seen that the need of advanced passive or active actuation devices will be increased tremendously.
actuation piezoelectric motors shape memory alloy ↗
Oblique Insonification Ultrasonic NDE of Composite Materials for Space Applications
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Composite Materials↗
Rapid Characterization of the Degradation of Composites Using Plate Waves Dispersion Data
NDE methods are needed to determine the structure integrity, stiffness and durability of structures and they can be extremely useful in assuring the performance of structures using smaller safety factors.
Plate Waves Dispersion↗
Measuring the Thickness and Elastic Properties of Electroactive Thin-Film Polymers Using Platewave Dispersion Data
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micro-electro mechanical systems MEMS electrostati↗
Measuring Thickness and Elastic Properties of Electroactive Thin-Film Polymers Using Platewave Dispersion Data
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electroactive thin-film polymers sensors actuators↗
Polymer Piezoelectric Transducers for Ultrasonic NDE
Piezoelectric polymers are associated with a low noise and inherent damping that makes them very effective receivers as well as broadband transmitters for high frequencies tasks. This paper reviews polymer piezoelectric materials, the origin of their piezoelectric behavior and their applications to ultrasonic NDE.
excitation of ultrasonic waves piexoelectric cryst↗
Measuring the Thickness and Elastic Properties of Electroactive Thin-Film Polymers Using Platewave Dispersion Data
Electroactive thin-film polymers are candidate sensors and actuators materials. They are also finding significant potential in muscle mechanisms and microelectromechanical systems (MEMS). In these applications, polymer thin films of thickness varying between 20 and 300 micrometers are utilized. The authors are currently studying the potential use of platewave dispersion curve measurements as an effective gauging tool for electroactive thin-film polymers.
sensors actuators film thickness measurements piez↗
Measuring the Thickness and Elastic Properties of Electroactive Thin-film Polymers Using Platewave Dispersion Data
Electroactive thin-film polymers are candidate sensors and actuators materials [1,2]. They are also finding a significant potential for applications in muscle mechanisms and micro-electro-mechanical systems (MEMS).
micro-electro-mechanical systems MEMS↗
Wave Propagation in Anisotropic Composite Plates
This paper is concerned with the development of wave propagation based cost-effective ultrasonic techniques for the nondestructive materials and defects characterization in advanced structural composites. A theoretical model that captures the most significant features of wave phenomena in fiber reinforced composites is described. Laboratory tests are shown to yield results that are in excellent agreement with those obtained from the theoretical model.
nondestructive testing ultrasonic composites lamin↗