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Development of the data base for a degradation model of a selenide RTGThe paper is concerned with the evaluation of the materials used in a selenide radioisotope thermoelectric generator (RTG). These materials are composed of n-type gadolinium selenide and n-type copper selenide. A three-fold evaluation approach is being used: (1) the study of the rate of change of the thermal conductivity of the material, (2) the investigation of the long-term stability of the material's Seebeck voltage and electrical resistivity under current and temperature gradient conditions, and (3) determination of the physical behavior and compatibility of the material with surrounding insulation at elevated temperatures. Programmatically, the third category of characteristic evaluation is being emphasized.
Document ID
19770066000
Acquisition Source
Legacy CDMS
Document Type
Conference Proceedings
Authors
Stapfer, G.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Truscello, V. C.
(California Institute of Technology, Jet Propulsion Laboratory, Pasadena Calif., United States)
Date Acquired
August 9, 2013
Publication Date
January 1, 1977
Subject Category
Spacecraft Propulsion And Power
Meeting Information
Meeting: Intersociety Energy Conversion Engineering Conference
Location: Washington, DC
Start Date: August 28, 1977
End Date: September 2, 1977
Accession Number
77A48852
Funding Number(s)
CONTRACT_GRANT: AT(04-3)-959
CONTRACT_GRANT: NAS7-100
Distribution Limits
Public
Copyright
Other

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