Abstract
NASA's intended mission to Venus (the Venus In-situ Explorer [1]) will require unprecedented advances in robotic technology suited for high temperatures and extreme environments. This paper addresses development of an ultrasonic rock drilling-coring-abrading tool to quickly sample Venus surface material for chemical analysis. The key innovation behind this device is a BiScO 3-PbTiO 3 piezoelectric ceramic that has been modified to have high resistivity up to 500°C. This material was found to have very good piezoelectric properties to the depoling temperature of 420°C, and at 450°C it functioned as an electrostrictor with an induced piezoelectric coefficient of ∼ 450 pC/N under a 7 kV/cm DC bias.
Original language | English (US) |
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Pages | 130-133 |
Number of pages | 4 |
State | Published - 2005 |
Event | 2004 14th IEEE International Symposium on Applications of Ferroelectrics, ISAF-04. A Conference of the IEEE Ultrasonics, Feroelectrics, and Frequency Control Society (UFFC-S) - Montreal, Canada Duration: Aug 23 2004 → Aug 27 2004 |
Other
Other | 2004 14th IEEE International Symposium on Applications of Ferroelectrics, ISAF-04. A Conference of the IEEE Ultrasonics, Feroelectrics, and Frequency Control Society (UFFC-S) |
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Country/Territory | Canada |
City | Montreal |
Period | 8/23/04 → 8/27/04 |
All Science Journal Classification (ASJC) codes
- Electronic, Optical and Magnetic Materials
- Electrical and Electronic Engineering