45 resultados para Sintering atmosphere

em University of Michigan


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Prepared on behalf of NASA at its Office of Space Science and Applications, Earth Science and Applications Division.

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Publication 3062.

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Mode of access: Internet.

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"These Studies deal with current activities in the department of Civil Engineering. They serve as progress reports of major investigations, and in general as a means for disseminating information not readily adaptable for presentation in formal technical papers or bulletins."

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"December 1964."

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"Contract AT-30-1-Gen-366."

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Report year runs ends June 30.

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Three samples of thorium powder as supplied by Horizons, Inc. of Cleveland, Ohio were compared. The powder was processed entirely without the use of protective atmospheres with the exception of the sintering which was performed in a tank argon atmosphere with a dew point of approximately -80°C and the hot-pressing which was carried out in vacuum. The equipment and procedures used for cold-pressing and sintering were identical to those used in the evaluation of Sylvania produced thorium powders. The hot-pressing was done with standard uranium hot-pressing equipment.