Options to Extend the Applicability of High Temperature Irradiation Resistant Thermocouples

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Several options have been identified that could further enhance the reliability and increase the applicability of recently developed Idaho National Laboratory (INL) High Temperature Irradiation Resistant thermocouples (HTIR-TCs) for in-pile testing, allowing their use in higher temperature applications (up to at least 1700 °C). INL and the University of Idaho (UI) are investigating these options with the ultimate objective of providing recommendations for alternate thermocouple designs that are optimized for various applications. This paper reports the status of INL/UI investigations. Results are reported from tests completed to evaluate the ductility, resolution, transient response, and stability of thermocouples made from specially ... continued below

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Rempe, Joy L.; Knudson, Darrell L.; Condie, Keith G.; Wilkins, S. Curtis; Crepeau, John C.; Daw, Joshua E. et al. September 1, 2007.

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Several options have been identified that could further enhance the reliability and increase the applicability of recently developed Idaho National Laboratory (INL) High Temperature Irradiation Resistant thermocouples (HTIR-TCs) for in-pile testing, allowing their use in higher temperature applications (up to at least 1700 °C). INL and the University of Idaho (UI) are investigating these options with the ultimate objective of providing recommendations for alternate thermocouple designs that are optimized for various applications. This paper reports the status of INL/UI investigations. Results are reported from tests completed to evaluate the ductility, resolution, transient response, and stability of thermocouples made from specially formulated alloys of molybdenum and niobium. In addition, this paper reports preliminary insights gained by comparing the performance of thermocouples fabricated with various heat treatments and alternate geometries.

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  • International Topical Meeting on Nuclear Reactor Thermal Hydraulics,Pittsburgh, Pennsylvania,09/30/2007,10/04/2007

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  • Report No.: INL/CON-07-12334
  • Grant Number: DE-AC07-99ID-13727
  • Office of Scientific & Technical Information Report Number: 920399
  • Archival Resource Key: ark:/67531/metadc898187

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  • September 1, 2007

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  • Sept. 27, 2016, 1:39 a.m.

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  • Nov. 7, 2016, 4:31 p.m.

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Rempe, Joy L.; Knudson, Darrell L.; Condie, Keith G.; Wilkins, S. Curtis; Crepeau, John C.; Daw, Joshua E. et al. Options to Extend the Applicability of High Temperature Irradiation Resistant Thermocouples, article, September 1, 2007; [Idaho Falls, Idaho]. (digital.library.unt.edu/ark:/67531/metadc898187/: accessed August 18, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.