Assessment of materials for use in a solar ceramic receiver for chemical process heat

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Candidate ceramic matrials were evaluated on the basis of two potential temperature operating regimes: 600 to 1300/sup 0/C (1100 to 2400/sup 0/F) and 1300 to 2200/sup 0/C (2400 to 4000/sup 0/F). Discussion of properties important to the proposed application includes thermal shock resistance, tensile strength, creep resistance, oxidation resistance, vaporization rate, chemical inertness to process reactants and products, cost, and fabricability. Many ceramic materials were considered for the 600 to 1300/sup 0/C operating regime. On the basis of a significant data base on tensile strength, thermal expansion, thermal conductivity, fabricability, and stability, the leading candidates were identified, in decreasing order ... continued below

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Pages: 39

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Tennery, V.J. & Weber, G.W. February 1, 1979.

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Description

Candidate ceramic matrials were evaluated on the basis of two potential temperature operating regimes: 600 to 1300/sup 0/C (1100 to 2400/sup 0/F) and 1300 to 2200/sup 0/C (2400 to 4000/sup 0/F). Discussion of properties important to the proposed application includes thermal shock resistance, tensile strength, creep resistance, oxidation resistance, vaporization rate, chemical inertness to process reactants and products, cost, and fabricability. Many ceramic materials were considered for the 600 to 1300/sup 0/C operating regime. On the basis of a significant data base on tensile strength, thermal expansion, thermal conductivity, fabricability, and stability, the leading candidates were identified, in decreasing order of preference, as (1) silicon carbide, (2) magnesium oxide, (3) cordierite (2MgO.2Al/sub 2/O/sub 3/.5SiO/sub 2/) known as MAS (4) aluminum oxide, (5) silicon nitride, (6) silicon aluminum oxynitrides (Si/sub w/Al/sub x/N/sub y/O/sub z/) known as sialons, and (7) beryllium oxide. Selection of candidate materials for the 1300 to 2200/sup 0/C regime was restricted because of the insufficient property data and operational experience on key performance parameters. Leading candidates were identified, in decreasing ordr of preference, as (1) zirconium oxide (Y/sub 2/O/sub 3/) stabilized), (2) magnesium oxide, (3) cerium oxide, (4) beryllium oxide, (5) calcium oxide, and (6) thorium and uranium oxide.

Physical Description

Pages: 39

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Dep. NTIS, PC A03/MF A01.

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  • Report No.: ORNL/TM-6715
  • Grant Number: W-7405-ENG-26
  • DOI: 10.2172/6475638 | External Link
  • Office of Scientific & Technical Information Report Number: 6475638
  • Archival Resource Key: ark:/67531/metadc1208434

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  • February 1, 1979

Added to The UNT Digital Library

  • July 5, 2018, 11:11 p.m.

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  • Sept. 5, 2018, 11:45 a.m.

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Tennery, V.J. & Weber, G.W. Assessment of materials for use in a solar ceramic receiver for chemical process heat, report, February 1, 1979; United States. (digital.library.unt.edu/ark:/67531/metadc1208434/: accessed December 16, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.