Controlled Chemistry Helium High Temperature Materials Test Loop

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Description

A system to test aging and environmental effects in flowing helium with impurity content representative of the Next Generation Nuclear Plant (NGNP) has been designed and assembled. The system will be used to expose microstructure analysis coupons and mechanical test specimens for up to 5,000 hours in helium containing potentially oxidizing or carburizing impurities controlled to parts per million levels. Impurity levels in the flowing helium are controlled through a feedback mechanism based on gas chromatography measurements of the gas chemistry at the inlet and exit from a high temperature retort containing the test materials. Initial testing will focus on ... continued below

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WRight, Richard N. August 1, 2005.

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Description

A system to test aging and environmental effects in flowing helium with impurity content representative of the Next Generation Nuclear Plant (NGNP) has been designed and assembled. The system will be used to expose microstructure analysis coupons and mechanical test specimens for up to 5,000 hours in helium containing potentially oxidizing or carburizing impurities controlled to parts per million levels. Impurity levels in the flowing helium are controlled through a feedback mechanism based on gas chromatography measurements of the gas chemistry at the inlet and exit from a high temperature retort containing the test materials. Initial testing will focus on determining the nature and extent of combined aging and environmental effects on microstructure and elevated temperature mechanical properties of alloys proposed for structural applications in the NGNP, including Inconel 617 and Haynes 230.

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  • Report No.: INL/EXT-05-00653
  • Grant Number: DE-AC07-99ID-13727
  • DOI: 10.2172/911785 | External Link
  • Office of Scientific & Technical Information Report Number: 911785
  • Archival Resource Key: ark:/67531/metadc880384

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Creation Date

  • August 1, 2005

Added to The UNT Digital Library

  • Sept. 22, 2016, 2:13 a.m.

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  • Nov. 7, 2016, 4:02 p.m.

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WRight, Richard N. Controlled Chemistry Helium High Temperature Materials Test Loop, report, August 1, 2005; [Idaho Falls, Idaho]. (digital.library.unt.edu/ark:/67531/metadc880384/: accessed August 16, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.