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A SHIELDED METALLOGRAPH FOR REMOTE METALLOGRAPHY. Topical Report- Metallurgy Program 6.10.6

Description: A unique concept is featured in the adaptation of a Bausch and Lomb Research Metallograph for remote metallography at Argonne National Laboratory. The metallograph is placed outside and adjacent to the metallographic preparation hot cell, and only the microscope section is shielded. This arrangement results in the decisive advantages of simplified adaptation for remote operation, and unaltered optical system, and greatly reduced shielding bulk. A mechanical transfer system shuttles the irradiat… more
Date: October 1, 1957
Creator: Brown, F. L.; Haaker, L. W.; Paine, S. H. & Blomgren, R. A.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

TEMPERATURE DEPENDENCE OF TAFEL SLOPE IN THE FORMATION OF VERY THIN ANODIC OXIDE FILMS ON NIOBIUM

Description: A kinetic study was made of the formation of very thin anodic oxide films on niobium at constant current over the temperature range --10 to 70 deg C. Formation voltages were limited to the range below the oxygen evolution potential to eliminate possible interaction of an electronic component of the current with the measured formation field. It was found that the measured temperature dependence of Tafel slope agreed with that predicted by the theory of Mott and Cabrera. Using this theory, a zero… more
Date: January 1, 1957
Creator: Adams, G.B. Jr. & Kao, T.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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