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- W2917444906 abstract "Efforts during this reporting period were directed primarily toward the design, fabrication, testing and pre- and post-test evaluation of real MHD electrode materials. Close collaboration was maintained with a number of MHD contractors and subcontractors with respect to procurement of specialized materials and their design. Additionally, NBS is involved with a number of MHD tests including the accelerated program of electrode testing in the MIT rig, the U-02 experiments, the AVCO tests utilizing slag and the UTSI/USSR tests. The evaluation/characterization of electrodes/insulators from five tests were completed and final reports were submitted. Several preheater refractories were also analyzed for Fluidyne Engineering Corp. Progress in other areas included: (1) Viscosities of synthetic slags based on analyses of USSR coal (''Krushnitz'') and ''average'' Montana Rosebud and Illinois No. 6 were measured. (2) The electrical conductivity of several oxide spinels was measured. (3) New measurements involving K-pressure over K/sub 2/O-SiO/sub 2/ solutions and a crystalline potassium zirconate were completed. (4) Chemical reactions in the K/sub 2/O-Al/sub 2/O/sub 3/-SiO/sub 2/-FeO/sub x/ system were investigated. (5) Mg-Al-Fe-oxide spinels were evaluated in terms of bonding to a metal substrate. Important chemical aspects of these oxides are discussed. (6) Evaluation of alloys for downstream components continued." @default.
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- W2917444906 date "1977-03-31" @default.
- W2917444906 modified "2023-09-23" @default.
- W2917444906 title "Development, testing, and evaluation of MHD-materials. Quarterly report, January--March 1977" @default.
- W2917444906 doi "https://doi.org/10.2172/6696990" @default.
- W2917444906 hasPublicationYear "1977" @default.
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