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  • 1
    facet.materialart.
    Unknown
    Present state of boron-carbon thermoelectric materials (1983)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: Boron-carbon p-type thermoelectric materials show promise for use in advanced thermal-to-electric space power conversion systems. Here, recent data on the thermoelectric properties of boron-carbon materials, such as B9C, B13C2, B15C2, and B4C, are reviewed. In particular, attention is given to the effect of the compositional homogeneity and residual impurity content on the Seeback coefficient, electrical resistivity, and thermal conductivity of these materials. The effect of carbon content for a given level of impurity and degree of homogeneity is also discussed.
    Keywords: NONMETALLIC MATERIALS
    Format: text
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    NASA TECHNICAL REPORTS
  • 2
    facet.materialart.
    Unknown
    Refractory thermoelectric materials (1980)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: The Seebeck coefficient and electrical resistivity of boron-carbon (B-C) and boron-carbon-silicon (B-C-Si)) P-type alloys are reported for temperatures up to 500 C. Using available literature values for the thermal conductivity of B-C alloys, thermoelectric figure-of-merit values of 1.37 x 10 to the -5th and 1.20 x 10 to the -4th/deg C are calculated for 100 and 500 C, respectively. Sulfur-deficient rare earth sesquisulfide N-type alloys exhibit Seebeck coefficients which are relatively insensitive to alloy composition over the composition range investigated but are very sensitive to fabrication parameters.
    Keywords: NONMETALLIC MATERIALS
    Type: Energy to the 21st century; Aug 18, 1980 - Aug 22, 1980; Seattle, WA
    Format: text
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    NASA TECHNICAL REPORTS
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