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Trip report, Battelle Memorial Institute, February 7--8, 1955

Description: W. J. O`Leary and R. R. Herries visited BMI to review the progress of subcontract research on extended surface fuel elements and on consolidation of Horizons` thorium. 1. Corrosion samples, 1in. diameter {times} 0.180in. thick nickel-plated uranium, which had been press-clad with aluminum at 510{degree}C and 6000 psi, have been on test for 18 days with no evidence of undercutting. Similar samples press-clad with 10,000 psi have been exposed for 7 days with no failures. 2. The hydrogen and chlorine content of as-received Horizons` electrolytic thorium was greatly reduced during vacuum sintering and arc melting. 3. A second lot of Horizons` thorium has been compacted and sintered to provide electrodes for two 9-10 lb. melts. 4. Diffusion couples are being annealed and examined in order to determine the rate of solid solution diffusion of thorium in aluminum.
Date: February 15, 1955
Creator: Herries, R. R.
Partner: UNT Libraries Government Documents Department